mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-08-31 03:35:32 -04:00
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 7.2-rc4
Cross-merge BPF and other fixes after downstream PR. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
This commit is contained in:
10
.mailmap
10
.mailmap
@@ -399,6 +399,7 @@ Jens Axboe <axboe@kernel.dk> <jens.axboe@oracle.com>
|
||||
Jens Axboe <axboe@kernel.dk> <axboe@fb.com>
|
||||
Jens Axboe <axboe@kernel.dk> <axboe@meta.com>
|
||||
Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
|
||||
Jens Wiklander <jenswi@kernel.org> <jens.wiklander@linaro.org>
|
||||
Jernej Skrabec <jernej.skrabec@gmail.com> <jernej.skrabec@siol.net>
|
||||
Jesper Dangaard Brouer <hawk@kernel.org> <brouer@redhat.com>
|
||||
Jesper Dangaard Brouer <hawk@kernel.org> <hawk@comx.dk>
|
||||
@@ -642,7 +643,6 @@ Nicholas Piggin <npiggin@gmail.com> <npiggin@kernel.dk>
|
||||
Nicholas Piggin <npiggin@gmail.com> <npiggin@suse.de>
|
||||
Nicholas Piggin <npiggin@gmail.com> <nickpiggin@yahoo.com.au>
|
||||
Nicholas Piggin <npiggin@gmail.com> <piggin@cyberone.com.au>
|
||||
Nick Desaulniers <nick.desaulniers+lkml@gmail.com> <ndesaulniers@google.com>
|
||||
Nicolas Ferre <nicolas.ferre@microchip.com> <nicolas.ferre@atmel.com>
|
||||
Nicolas Pitre <nico@fluxnic.net> <nicolas.pitre@linaro.org>
|
||||
Nicolas Pitre <nico@fluxnic.net> <nico@linaro.org>
|
||||
@@ -709,6 +709,10 @@ Qi Zheng <qi.zheng@linux.dev> <zhengqi.arch@bytedance.com>
|
||||
Quentin Monnet <qmo@kernel.org> <quentin.monnet@netronome.com>
|
||||
Quentin Monnet <qmo@kernel.org> <quentin@isovalent.com>
|
||||
Quentin Perret <qperret@qperret.net> <quentin.perret@arm.com>
|
||||
Radu Rendec <radu@rendec.net> <radu.rendec@ines.ro>
|
||||
Radu Rendec <radu@rendec.net> <rrendec@arista.com>
|
||||
Radu Rendec <radu@rendec.net> <radu.rendec@gmail.com>
|
||||
Radu Rendec <radu@rendec.net> <rrendec@redhat.com>
|
||||
Rae Moar <raemoar63@gmail.com> <rmoar@google.com>
|
||||
Rafael J. Wysocki <rjw@rjwysocki.net> <rjw@sisk.pl>
|
||||
Rajeev Nandan <quic_rajeevny@quicinc.com> <rajeevny@codeaurora.org>
|
||||
@@ -822,8 +826,8 @@ Sriram Yagnaraman <sriram.yagnaraman@ericsson.com> <sriram.yagnaraman@est.tech>
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Stanislav Fomichev <sdf@fomichev.me> <sdf@google.com>
|
||||
Stanislav Fomichev <sdf@fomichev.me> <stfomichev@gmail.com>
|
||||
Stefan Wahren <wahrenst@gmx.net> <stefan.wahren@i2se.com>
|
||||
Stéphane Grosjean <stephane.grosjean@hms-networks.com> <s.grosjean@peak-system.com>
|
||||
Stéphane Grosjean <stephane.grosjean@hms-networks.com> <stephane.grosjean@free.fr>
|
||||
Stéphane Grosjean <s.grosjean@peak-system.fr> <s.grosjean@peak-system.com>
|
||||
Stéphane Grosjean <s.grosjean@peak-system.fr> <stephane.grosjean@free.fr>
|
||||
Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
|
||||
Stephen Hemminger <stephen@networkplumber.org> <shemminger@linux-foundation.org>
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Stephen Hemminger <stephen@networkplumber.org> <shemminger@osdl.org>
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|
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@@ -22,7 +22,7 @@ Description:
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Reading this attribute gives the state of the DbC. It
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can be one of the following states: disabled, enabled,
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initialized, connected or configured.
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initialized, connected, configured or suspended.
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|
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What: /sys/bus/pci/drivers/xhci_hcd/.../dbc_idVendor
|
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Date: March 2023
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@@ -9,6 +9,7 @@ RDMA Controller
|
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1-2. Why RDMA controller needed?
|
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1-3. How is RDMA controller implemented?
|
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2. Usage Examples
|
||||
3. RDMA Interface Files
|
||||
|
||||
1. Overview
|
||||
===========
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@@ -115,3 +116,68 @@ Following resources can be accounted by rdma controller.
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(d) Delete resource limit::
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|
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echo mlx4_0 hca_handle=max hca_object=max > /sys/fs/cgroup/rdma/1/rdma.max
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|
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3. RDMA Interface Files
|
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========================
|
||||
|
||||
The following interface files are available in each non-root RDMA cgroup.
|
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|
||||
rdma.max
|
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A read-write file which describes the configured resource limit
|
||||
for an RDMA/IB device. See the Usage Examples above.
|
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|
||||
rdma.current
|
||||
A read-only file which describes the current resource usage.
|
||||
|
||||
rdma.peak
|
||||
A read-only nested-keyed file which shows the historical high
|
||||
watermark of resource usage per device since the cgroup was created.
|
||||
|
||||
An example for mlx4 and ocrdma device follows::
|
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|
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mlx4_0 hca_handle=1 hca_object=20
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ocrdma1 hca_handle=0 hca_object=23
|
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|
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rdma.events
|
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A read-only nested-keyed file which exists on non-root cgroups
|
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and contains the following keys:
|
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|
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max
|
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The number of times a process in this cgroup or its
|
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descendants attempted an RDMA resource allocation that
|
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was rejected because a rdma.max limit in the subtree
|
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was reached. This is a hierarchical counter propagated
|
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upward to all ancestor cgroups. A value change in this
|
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file generates a file modified event.
|
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|
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alloc_fail
|
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The number of RDMA resource allocation attempts that
|
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originated in this cgroup or its descendants and failed
|
||||
due to a rdma.max limit being reached. This is a
|
||||
hierarchical counter propagated upward.
|
||||
|
||||
An example for mlx4 device follows::
|
||||
|
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mlx4_0 hca_handle.max=5 hca_handle.alloc_fail=3 hca_object.max=0 hca_object.alloc_fail=0
|
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|
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rdma.events.local
|
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Similar to rdma.events but the fields are local to the cgroup,
|
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i.e. not hierarchical. The file modified event generated on this
|
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file reflects only the local events.
|
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|
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The following nested keys are defined.
|
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|
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max
|
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The number of times a process in this cgroup or its
|
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descendants attempted an RDMA resource allocation that
|
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was rejected because this cgroup's own rdma.max limit
|
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was reached.
|
||||
|
||||
alloc_fail
|
||||
The number of RDMA resource allocation attempts
|
||||
originating from this cgroup that failed due to this
|
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cgroup's or an ancestor's rdma.max limit.
|
||||
|
||||
An example for mlx4 device follows::
|
||||
|
||||
mlx4_0 hca_handle.max=5 hca_handle.alloc_fail=0 hca_object.max=0 hca_object.alloc_fail=0
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@@ -1570,7 +1570,7 @@ The following nested keys are defined.
|
||||
sock (npn)
|
||||
Amount of memory used in network transmission buffers
|
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|
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vmalloc (npn)
|
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vmalloc
|
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Amount of memory used for vmap backed memory.
|
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|
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shmem
|
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@@ -1735,7 +1735,7 @@ The following nested keys are defined.
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Number of pages written from zswap to swap.
|
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|
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zswap_incomp
|
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Number of incompressible pages currently stored in zswap
|
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Amount of memory used by incompressible pages currently stored in zswap
|
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without compression. These pages could not be compressed to
|
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a size smaller than PAGE_SIZE, so they are stored as-is.
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|
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@@ -2257,10 +2257,11 @@ groups D and F will influence each other. Group G will influence nobody::
|
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So the ideal way to configure this is to set io.latency in groups A, B, and C.
|
||||
Generally you do not want to set a value lower than the latency your device
|
||||
supports. Experiment to find the value that works best for your workload.
|
||||
Start at higher than the expected latency for your device and watch the
|
||||
avg_lat value in io.stat for your workload group to get an idea of the
|
||||
latency you see during normal operation. Use the avg_lat value as a basis for
|
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your real setting, setting at 10-15% higher than the value in io.stat.
|
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Start at higher than the expected latency for your device and, with
|
||||
blkcg_debug_stats enabled, watch the avg_lat value in io.stat for your
|
||||
workload group to get an idea of the latency you see during normal operation.
|
||||
Use the avg_lat value as a basis for your real setting, setting at 10-15%
|
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higher than the value in io.stat.
|
||||
|
||||
How IO Latency Throttling Works
|
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
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@@ -2298,7 +2299,9 @@ IO Latency Interface Files
|
||||
|
||||
io.stat
|
||||
If the controller is enabled you will see extra stats in io.stat in
|
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addition to the normal ones.
|
||||
addition to the normal ones. These debug stats are only emitted when
|
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the blkcg_debug_stats module parameter is enabled (it is disabled by
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default).
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depth
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This is the current queue depth for the group.
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@@ -2934,7 +2937,8 @@ include/linux/misc_cgroup.h.
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Misc Interface Files
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~~~~~~~~~~~~~~~~~~~~
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Miscellaneous controller provides 3 interface files. If two misc resources (res_a and res_b) are registered then:
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Miscellaneous controller provides the following interface files. If two misc
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resources (res_a and res_b) are registered then:
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|
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misc.capacity
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A read-only flat-keyed file shown only in the root cgroup. It shows
|
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|
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@@ -47,11 +47,12 @@ ever have can be described at boot. There are no power-domain considerations
|
||||
as such devices are emulated.
|
||||
|
||||
CPU Hotplug on virtual systems is supported. It is distinct from physical
|
||||
CPU Hotplug as all resources are described as ``present``, but CPUs may be
|
||||
marked as disabled by firmware. Only the CPU's online/offline behaviour is
|
||||
influenced by firmware. An example is where a virtual machine boots with a
|
||||
single CPU, and additional CPUs are added once a cloud orchestrator deploys
|
||||
the workload.
|
||||
CPU Hotplug as all vCPU resources are statically described in the firmware
|
||||
configuration tables (e.g. MADT), meaning their maximum possible count is
|
||||
known at boot. However, vCPUs that are not enabled at boot are not marked
|
||||
as ``present`` by the kernel until they are hotplugged. An example is where
|
||||
a virtual machine boots with a single CPU, and additional CPUs are added
|
||||
once a cloud orchestrator deploys the workload.
|
||||
|
||||
For a virtual machine, the VMM (e.g. Qemu) plays the part of firmware.
|
||||
|
||||
@@ -60,16 +61,19 @@ brought online. Firmware can enforce its policy via PSCI's return codes. e.g.
|
||||
``DENIED``.
|
||||
|
||||
The ACPI tables must describe all the resources of the virtual machine. CPUs
|
||||
that firmware wishes to disable either from boot (or later) should not be
|
||||
``enabled`` in the MADT GICC structures, but should have the ``online capable``
|
||||
bit set, to indicate they can be enabled later. The boot CPU must be marked as
|
||||
``enabled``. The 'always on' GICR structure must be used to describe the
|
||||
redistributors.
|
||||
that are hot-pluggable must have the ``online capable`` bit set and the
|
||||
``enabled`` bit cleared in the MADT GICC structures to indicate they can be
|
||||
enabled later. The boot CPU must be marked as ``enabled`` with its
|
||||
``online capable`` bit cleared. The 'always on' GICR structure must be used
|
||||
to describe the redistributors.
|
||||
|
||||
CPUs described as ``online capable`` but not ``enabled`` can be set to enabled
|
||||
by the DSDT's Processor object's _STA method. On virtual systems the _STA method
|
||||
must always report the CPU as ``present``. Changes to the firmware policy can
|
||||
be notified to the OS via device-check or eject-request.
|
||||
must always set the ``ACPI_STA_DEVICE_PRESENT`` bit, while toggling the
|
||||
``ACPI_STA_DEVICE_ENABLED`` bit to reflect its plug status. The kernel will
|
||||
then dynamically mark the vCPU as ``present`` within the OS when the
|
||||
``ACPI_STA_DEVICE_ENABLED`` bit becomes set during hot-add. Changes to the
|
||||
firmware policy can be notified to the OS via device-check or eject-request.
|
||||
|
||||
CPUs described as ``enabled`` in the static table, should not have their _STA
|
||||
modified dynamically by firmware. Soft-restart features such as kexec will
|
||||
|
||||
@@ -82,121 +82,121 @@ The following keys are defined:
|
||||
version 1.0 of the RISC-V Vector extension manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBA`: The Zba address generation extension is
|
||||
supported, as defined in version 1.0 of the Bit-Manipulation ISA
|
||||
extensions.
|
||||
supported, as defined in version 1.0 of the Bit-Manipulation ISA
|
||||
extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBB`: The Zbb extension is supported, as defined
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBS`: The Zbs extension is supported, as defined
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICBOZ`: The Zicboz extension is supported, as
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBC` The Zbc extension is supported, as defined
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
in version 1.0 of the Bit-Manipulation ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBKB` The Zbkb extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBKC` The Zbkc extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZBKX` The Zbkx extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKND` The Zknd extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKNE` The Zkne extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKNH` The Zknh extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKSED` The Zksed extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKSH` The Zksh extension is supported, as
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
defined in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZKT` The Zkt extension is supported, as defined
|
||||
in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
in version 1.0 of the Scalar Crypto ISA extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVBB`: The Zvbb extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVBC`: The Zvbc extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKB`: The Zvkb extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKG`: The Zvkg extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKNED`: The Zvkned extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKNHA`: The Zvknha extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKNHB`: The Zvknhb extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKSED`: The Zvksed extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKSH`: The Zvksh extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVKT`: The Zvkt extension is supported as
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
defined in version 1.0 of the RISC-V Cryptography Extensions Volume II.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZFH`: The Zfh extension version 1.0 is supported
|
||||
as defined in the RISC-V ISA manual.
|
||||
as defined in the RISC-V ISA manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZFHMIN`: The Zfhmin extension version 1.0 is
|
||||
supported as defined in the RISC-V ISA manual.
|
||||
supported as defined in the RISC-V ISA manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZIHINTNTL`: The Zihintntl extension version 1.0
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVFH`: The Zvfh extension is supported as
|
||||
defined in the RISC-V Vector manual starting from commit e2ccd0548d6c
|
||||
("Remove draft warnings from Zvfh[min]").
|
||||
defined in the RISC-V Vector manual starting from commit e2ccd0548d6c
|
||||
("Remove draft warnings from Zvfh[min]").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVFHMIN`: The Zvfhmin extension is supported as
|
||||
defined in the RISC-V Vector manual starting from commit e2ccd0548d6c
|
||||
("Remove draft warnings from Zvfh[min]").
|
||||
defined in the RISC-V Vector manual starting from commit e2ccd0548d6c
|
||||
("Remove draft warnings from Zvfh[min]").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZFA`: The Zfa extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit 056b6ff467c7
|
||||
("Zfa is ratified").
|
||||
defined in the RISC-V ISA manual starting from commit 056b6ff467c7
|
||||
("Zfa is ratified").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZTSO`: The Ztso extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit 5618fb5a216b
|
||||
("Ztso is now ratified.")
|
||||
defined in the RISC-V ISA manual starting from commit 5618fb5a216b
|
||||
("Ztso is now ratified.")
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZACAS`: The Zacas extension is supported as
|
||||
defined in the Atomic Compare-and-Swap (CAS) instructions manual starting
|
||||
from commit 5059e0ca641c ("update to ratified").
|
||||
defined in the Atomic Compare-and-Swap (CAS) instructions manual starting
|
||||
from commit 5059e0ca641c ("update to ratified").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICNTR`: The Zicntr extension version 2.0
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICOND`: The Zicond extension is supported as
|
||||
defined in the RISC-V Integer Conditional (Zicond) operations extension
|
||||
manual starting from commit 95cf1f9 ("Add changes requested by Ved
|
||||
during signoff")
|
||||
defined in the RISC-V Integer Conditional (Zicond) operations extension
|
||||
manual starting from commit 95cf1f9 ("Add changes requested by Ved
|
||||
during signoff")
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZIHINTPAUSE`: The Zihintpause extension is
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
d8ab5c78c207 ("Zihintpause is ratified").
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
d8ab5c78c207 ("Zihintpause is ratified").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZIHPM`: The Zihpm extension version 2.0
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
is supported as defined in the RISC-V ISA manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVE32X`: The Vector sub-extension Zve32x is
|
||||
supported, as defined by version 1.0 of the RISC-V Vector extension manual.
|
||||
@@ -214,84 +214,89 @@ The following keys are defined:
|
||||
supported, as defined by version 1.0 of the RISC-V Vector extension manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZIMOP`: The Zimop May-Be-Operations extension is
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
58220614a5f ("Zimop is ratified/1.0").
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
58220614a5f ("Zimop is ratified/1.0").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCA`: The Zca extension part of Zc* standard
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCB`: The Zcb extension part of Zc* standard
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCD`: The Zcd extension part of Zc* standard
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCF`: The Zcf extension part of Zc* standard
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
extensions for code size reduction, as ratified in commit 8be3419c1c0
|
||||
("Zcf doesn't exist on RV64 as it contains no instructions") of
|
||||
riscv-code-size-reduction.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCMOP`: The Zcmop May-Be-Operations extension is
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
c732a4f39a4 ("Zcmop is ratified/1.0").
|
||||
supported as defined in the RISC-V ISA manual starting from commit
|
||||
c732a4f39a4 ("Zcmop is ratified/1.0").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZAWRS`: The Zawrs extension is supported as
|
||||
ratified in commit 98918c844281 ("Merge pull request #1217 from
|
||||
riscv/zawrs") of riscv-isa-manual.
|
||||
ratified in commit 98918c844281 ("Merge pull request #1217 from
|
||||
riscv/zawrs") of riscv-isa-manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZAAMO`: The Zaamo extension is supported as
|
||||
defined in the in the RISC-V ISA manual starting from commit e87412e621f1
|
||||
("integrate Zaamo and Zalrsc text (#1304)").
|
||||
defined in the in the RISC-V ISA manual starting from commit e87412e621f1
|
||||
("integrate Zaamo and Zalrsc text (#1304)").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZALASR`: The Zalasr extension is supported as
|
||||
frozen at commit 194f0094 ("Version 0.9 for freeze") of riscv-zalasr.
|
||||
frozen at commit 194f0094 ("Version 0.9 for freeze") of riscv-zalasr.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZALRSC`: The Zalrsc extension is supported as
|
||||
defined in the in the RISC-V ISA manual starting from commit e87412e621f1
|
||||
("integrate Zaamo and Zalrsc text (#1304)").
|
||||
defined in the in the RISC-V ISA manual starting from commit e87412e621f1
|
||||
("integrate Zaamo and Zalrsc text (#1304)").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_SUPM`: The Supm extension is supported as
|
||||
defined in version 1.0 of the RISC-V Pointer Masking extensions.
|
||||
defined in version 1.0 of the RISC-V Pointer Masking extensions.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZFBFMIN`: The Zfbfmin extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVFBFMIN`: The Zvfbfmin extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZVFBFWMA`: The Zvfbfwma extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
defined in the RISC-V ISA manual starting from commit 4dc23d6229de
|
||||
("Added Chapter title to BF16").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICBOM`: The Zicbom extension is supported, as
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZABHA`: The Zabha extension is supported as
|
||||
ratified in commit 49f49c842ff9 ("Update to Rafified state") of
|
||||
riscv-zabha.
|
||||
ratified in commit 49f49c842ff9 ("Update to Rafified state") of
|
||||
riscv-zabha.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICBOP`: The Zicbop extension is supported, as
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZILSD`: The Zilsd extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
|
||||
load/store pair for RV32 with the main manual") of the riscv-isa-manual.
|
||||
defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
|
||||
load/store pair for RV32 with the main manual") of the riscv-isa-manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZCLSD`: The Zclsd extension is supported as
|
||||
defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
|
||||
load/store pair for RV32 with the main manual") of the riscv-isa-manual.
|
||||
defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
|
||||
load/store pair for RV32 with the main manual") of the riscv-isa-manual.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICFILP`: The Zicfilp extension is supported,
|
||||
as defined in version 1.0 of the RISC-V Control-flow Integrity (CFI)
|
||||
extensions specification, ratified in commit 302a2d45c243
|
||||
("Update build-pdf.yml") of riscv-cfi.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: Deprecated. Returns similar values to
|
||||
:c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`, but the key was
|
||||
mistakenly classified as a bitmask rather than a value.
|
||||
:c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`, but the key was
|
||||
mistakenly classified as a bitmask rather than a value.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`: An enum value describing
|
||||
the performance of misaligned scalar native word accesses on the selected set
|
||||
@@ -326,7 +331,7 @@ The following keys are defined:
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_TIME_CSR_FREQ`: Frequency (in Hz) of `time CSR`.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_VECTOR_PERF`: An enum value describing the
|
||||
performance of misaligned vector accesses on the selected set of processors.
|
||||
performance of misaligned vector accesses on the selected set of processors.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_MISALIGNED_VECTOR_UNKNOWN`: The performance of misaligned
|
||||
vector accesses is unknown.
|
||||
@@ -348,7 +353,7 @@ The following keys are defined:
|
||||
* MIPS
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XMIPSEXECTL`: The xmipsexectl vendor
|
||||
extension is supported in the MIPS ISA extensions spec.
|
||||
extension is supported in the MIPS ISA extensions spec.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0`: A bitmask containing the
|
||||
thead vendor extensions that are compatible with the
|
||||
@@ -357,8 +362,8 @@ The following keys are defined:
|
||||
* T-HEAD
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XTHEADVECTOR`: The xtheadvector vendor
|
||||
extension is supported in the T-Head ISA extensions spec starting from
|
||||
commit a18c801634 ("Add T-Head VECTOR vendor extension. ").
|
||||
extension is supported in the T-Head ISA extensions spec starting from
|
||||
commit a18c801634 ("Add T-Head VECTOR vendor extension. ").
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE`: An unsigned int which
|
||||
represents the size of the Zicbom block in bytes.
|
||||
@@ -370,20 +375,20 @@ The following keys are defined:
|
||||
* SIFIVE
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCDOD`: The Xsfqmaccdod vendor
|
||||
extension is supported in version 1.1 of SiFive Int8 Matrix Multiplication
|
||||
Extensions Specification.
|
||||
extension is supported in version 1.1 of SiFive Int8 Matrix Multiplication
|
||||
Extensions Specification.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCQOQ`: The Xsfqmaccqoq vendor
|
||||
extension is supported in version 1.1 of SiFive Int8 Matrix Multiplication
|
||||
Instruction Extensions Specification.
|
||||
extension is supported in version 1.1 of SiFive Int8 Matrix Multiplication
|
||||
Instruction Extensions Specification.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XSFVFNRCLIPXFQF`: The Xsfvfnrclipxfqf
|
||||
vendor extension is supported in version 1.0 of SiFive FP32-to-int8 Ranged
|
||||
Clip Instructions Extensions Specification.
|
||||
vendor extension is supported in version 1.0 of SiFive FP32-to-int8 Ranged
|
||||
Clip Instructions Extensions Specification.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XSFVFWMACCQQQ`: The Xsfvfwmaccqqq
|
||||
vendor extension is supported in version 1.0 of Matrix Multiply Accumulate
|
||||
Instruction Extensions Specification.
|
||||
vendor extension is supported in version 1.0 of Matrix Multiply Accumulate
|
||||
Instruction Extensions Specification.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE`: An unsigned int which
|
||||
represents the size of the Zicbop block in bytes.
|
||||
@@ -391,3 +396,8 @@ The following keys are defined:
|
||||
* :c:macro:`RISCV_HWPROBE_KEY_IMA_EXT_1`: A bitmask containing additional
|
||||
extensions that are compatible with the
|
||||
:c:macro:`RISCV_HWPROBE_BASE_BEHAVIOR_IMA`: base system behavior.
|
||||
|
||||
* :c:macro:`RISCV_HWPROBE_EXT_ZICFISS`: The Zicfiss extension is supported,
|
||||
as defined in version 1.0 of the RISC-V Control-flow Integrity (CFI)
|
||||
extensions specification, ratified in commit 302a2d45c243
|
||||
("Update build-pdf.yml") of riscv-cfi.
|
||||
|
||||
@@ -6,14 +6,14 @@ Block ciphers
|
||||
AES
|
||||
---
|
||||
|
||||
Support for the AES block cipher.
|
||||
This API provides support for the AES block cipher.
|
||||
|
||||
.. kernel-doc:: include/crypto/aes.h
|
||||
|
||||
DES
|
||||
---
|
||||
|
||||
Support for the DES block cipher. This algorithm is obsolete and is supported
|
||||
only for backwards compatibility.
|
||||
This API provides support for the DES block cipher. This algorithm is obsolete
|
||||
and is supported only for backwards compatibility.
|
||||
|
||||
.. kernel-doc:: include/crypto/des.h
|
||||
|
||||
@@ -6,81 +6,83 @@ Hash functions, MACs, and XOFs
|
||||
AES-CMAC and AES-XCBC-MAC
|
||||
-------------------------
|
||||
|
||||
Support for the AES-CMAC and AES-XCBC-MAC message authentication codes.
|
||||
This API provides support for the AES-CMAC and AES-XCBC-MAC message
|
||||
authentication codes.
|
||||
|
||||
.. kernel-doc:: include/crypto/aes-cbc-macs.h
|
||||
|
||||
BLAKE2b
|
||||
-------
|
||||
|
||||
Support for the BLAKE2b cryptographic hash function.
|
||||
This API provides support for the BLAKE2b cryptographic hash function.
|
||||
|
||||
.. kernel-doc:: include/crypto/blake2b.h
|
||||
|
||||
BLAKE2s
|
||||
-------
|
||||
|
||||
Support for the BLAKE2s cryptographic hash function.
|
||||
This API provides support for the BLAKE2s cryptographic hash function.
|
||||
|
||||
.. kernel-doc:: include/crypto/blake2s.h
|
||||
|
||||
GHASH and POLYVAL
|
||||
-----------------
|
||||
|
||||
Support for the GHASH and POLYVAL universal hash functions. These algorithms
|
||||
are used only as internal components of other algorithms.
|
||||
This API provides support for the GHASH and POLYVAL universal hash functions.
|
||||
These algorithms are used only as internal components of other algorithms.
|
||||
|
||||
.. kernel-doc:: include/crypto/gf128hash.h
|
||||
|
||||
MD5
|
||||
---
|
||||
|
||||
Support for the MD5 cryptographic hash function and HMAC-MD5. This algorithm is
|
||||
obsolete and is supported only for backwards compatibility.
|
||||
This API provides support for the MD5 cryptographic hash function and HMAC-MD5.
|
||||
This algorithm is obsolete and is supported only for backwards compatibility.
|
||||
|
||||
.. kernel-doc:: include/crypto/md5.h
|
||||
|
||||
NH
|
||||
--
|
||||
|
||||
Support for the NH universal hash function. This algorithm is used only as an
|
||||
internal component of other algorithms.
|
||||
This API provides support for the NH universal hash function. This algorithm is
|
||||
used only as an internal component of other algorithms.
|
||||
|
||||
.. kernel-doc:: include/crypto/nh.h
|
||||
|
||||
Poly1305
|
||||
--------
|
||||
|
||||
Support for the Poly1305 universal hash function. This algorithm is used only
|
||||
as an internal component of other algorithms.
|
||||
This API provides support for the Poly1305 universal hash function. This
|
||||
algorithm is used only as an internal component of other algorithms.
|
||||
|
||||
.. kernel-doc:: include/crypto/poly1305.h
|
||||
|
||||
SHA-1
|
||||
-----
|
||||
|
||||
Support for the SHA-1 cryptographic hash function and HMAC-SHA1. This algorithm
|
||||
is obsolete and is supported only for backwards compatibility.
|
||||
This API provides support for the SHA-1 cryptographic hash function and
|
||||
HMAC-SHA1. This algorithm is obsolete and is supported only for backwards
|
||||
compatibility.
|
||||
|
||||
.. kernel-doc:: include/crypto/sha1.h
|
||||
|
||||
SHA-2
|
||||
-----
|
||||
|
||||
Support for the SHA-2 family of cryptographic hash functions, including SHA-224,
|
||||
SHA-256, SHA-384, and SHA-512. This also includes their corresponding HMACs:
|
||||
HMAC-SHA224, HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512.
|
||||
This API provides support for the SHA-2 family of cryptographic hash functions,
|
||||
including SHA-224, SHA-256, SHA-384, and SHA-512. This also includes their
|
||||
corresponding HMACs: HMAC-SHA224, HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512.
|
||||
|
||||
.. kernel-doc:: include/crypto/sha2.h
|
||||
|
||||
SHA-3
|
||||
-----
|
||||
|
||||
The SHA-3 functions are documented in :ref:`sha3`.
|
||||
The SHA-3 API is documented in :ref:`sha3`.
|
||||
|
||||
SM3
|
||||
---
|
||||
|
||||
Support for the SM3 cryptographic hash function.
|
||||
This API provides support for the SM3 cryptographic hash function.
|
||||
|
||||
.. kernel-doc:: include/crypto/sm3.h
|
||||
|
||||
@@ -6,6 +6,6 @@ Digital signature algorithms
|
||||
ML-DSA
|
||||
------
|
||||
|
||||
Support for the ML-DSA digital signature algorithm.
|
||||
This API provides support for the ML-DSA digital signature algorithm.
|
||||
|
||||
.. kernel-doc:: include/crypto/mldsa.h
|
||||
|
||||
@@ -4,8 +4,9 @@
|
||||
Crypto library
|
||||
==============
|
||||
|
||||
``lib/crypto/`` provides faster and easier access to cryptographic algorithms
|
||||
than the traditional crypto API.
|
||||
The Linux kernel's crypto library (``lib/crypto/``) provides kernel-internal
|
||||
users of cryptographic algorithms with faster and easier access to those
|
||||
algorithms than the traditional kernel crypto API.
|
||||
|
||||
Each cryptographic algorithm is supported via a set of dedicated functions.
|
||||
"Crypto agility", where needed, is left to calling code.
|
||||
|
||||
@@ -193,7 +193,6 @@ allOf:
|
||||
- mediatek,mt8183-mmc
|
||||
- mediatek,mt8186-mmc
|
||||
- mediatek,mt8188-mmc
|
||||
- mediatek,mt8189-mmc
|
||||
- mediatek,mt8195-mmc
|
||||
- mediatek,mt8196-mmc
|
||||
- mediatek,mt8516-mmc
|
||||
@@ -348,6 +347,34 @@ allOf:
|
||||
- const: axi_cg
|
||||
- const: ahb_cg
|
||||
|
||||
- if:
|
||||
properties:
|
||||
compatible:
|
||||
contains:
|
||||
const: mediatek,mt8189-mmc
|
||||
then:
|
||||
properties:
|
||||
clocks:
|
||||
minItems: 6
|
||||
items:
|
||||
- description: source clock
|
||||
- description: HCLK which used for host
|
||||
- description: independent source clock gate
|
||||
- description: bus clock used for internal register access
|
||||
- description: peripheral bus clock gate
|
||||
- description: AXI bus clock gate
|
||||
- description: crypto clock used for data encrypt/decrypt (optional)
|
||||
clock-names:
|
||||
minItems: 6
|
||||
items:
|
||||
- const: source
|
||||
- const: hclk
|
||||
- const: source_cg
|
||||
- const: bus_clk
|
||||
- const: pclk_cg
|
||||
- const: axi_cg
|
||||
- const: crypto
|
||||
|
||||
unevaluatedProperties: false
|
||||
|
||||
examples:
|
||||
|
||||
@@ -457,6 +457,13 @@ properties:
|
||||
merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
|
||||
of zc.adoc to src tree.").
|
||||
|
||||
- const: zclsd
|
||||
description:
|
||||
The Zclsd extension implements the compressed (16-bit) version of the
|
||||
Load/Store Pair for RV32. As with Zilsd, this extension was ratified
|
||||
in commit f88abf1 ("Integrating load/store pair for RV32 with the
|
||||
main manual") of riscv-isa-manual.
|
||||
|
||||
- const: zcmop
|
||||
description:
|
||||
The standard Zcmop extension version 1.0, as ratified in commit
|
||||
@@ -487,6 +494,22 @@ properties:
|
||||
in commit 64074bc ("Update version numbers for Zfh/Zfinx") of
|
||||
riscv-isa-manual.
|
||||
|
||||
- const: zicbom
|
||||
description:
|
||||
The standard Zicbom extension for base cache management operations as
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
- const: zicbop
|
||||
description:
|
||||
The standard Zicbop extension for cache-block prefetch instructions
|
||||
as ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of
|
||||
riscv-CMOs.
|
||||
|
||||
- const: zicboz
|
||||
description:
|
||||
The standard Zicboz extension for cache-block zeroing as ratified
|
||||
in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
- const: ziccamoa
|
||||
description:
|
||||
The standard Ziccamoa extension for main memory (cacheability and
|
||||
@@ -514,6 +537,66 @@ properties:
|
||||
guarantee on LR/SC sequences, as ratified in commit b1d806605f87
|
||||
("Updated to ratified state.") of the riscv profiles specification.
|
||||
|
||||
- const: zicfilp
|
||||
description: |
|
||||
The standard Zicfilp extension for enforcing forward edge
|
||||
control-flow integrity as ratified in commit 3f8e450 ("merge
|
||||
pull request #227 from ved-rivos/0709") of riscv-cfi
|
||||
github repo.
|
||||
|
||||
- const: zicfiss
|
||||
description: |
|
||||
The standard Zicfiss extension for enforcing backward edge
|
||||
control-flow integrity as ratified in commit 3f8e450 ("merge
|
||||
pull request #227 from ved-rivos/0709") of riscv-cfi
|
||||
github repo.
|
||||
|
||||
- const: zicntr
|
||||
description:
|
||||
The standard Zicntr extension for base counters and timers, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zicond
|
||||
description:
|
||||
The standard Zicond extension for conditional arithmetic and
|
||||
conditional-select/move operations as ratified in commit 95cf1f9
|
||||
("Add changes requested by Ved during signoff") of riscv-zicond.
|
||||
|
||||
- const: zicsr
|
||||
description: |
|
||||
The standard Zicsr extension for control and status register
|
||||
instructions, as ratified in the 20191213 version of the
|
||||
unprivileged ISA specification.
|
||||
|
||||
This does not include Chapter 10, "Counters", which documents
|
||||
special case read-only CSRs, that were moved into the Zicntr and
|
||||
Zihpm extensions after the ratification of the 20191213 version of
|
||||
the unprivileged specification.
|
||||
|
||||
- const: zifencei
|
||||
description:
|
||||
The standard Zifencei extension for instruction-fetch fence, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zihintntl
|
||||
description:
|
||||
The standard Zihintntl extension for non-temporal locality hints, as
|
||||
ratified in commit 0dc91f5 ("Zihintntl is ratified") of the
|
||||
riscv-isa-manual.
|
||||
|
||||
- const: zihintpause
|
||||
description:
|
||||
The standard Zihintpause extension for pause hints, as ratified in
|
||||
commit d8ab5c7 ("Zihintpause is ratified") of the riscv-isa-manual.
|
||||
|
||||
- const: zihpm
|
||||
description:
|
||||
The standard Zihpm extension for hardware performance counters, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zilsd
|
||||
description:
|
||||
The standard Zilsd extension which provides support for aligned
|
||||
@@ -521,12 +604,10 @@ properties:
|
||||
encodings, as ratified in commit f88abf1 ("Integrating
|
||||
load/store pair for RV32 with the main manual") of riscv-isa-manual.
|
||||
|
||||
- const: zclsd
|
||||
- const: zimop
|
||||
description:
|
||||
The Zclsd extension implements the compressed (16-bit) version of the
|
||||
Load/Store Pair for RV32. As with Zilsd, this extension was ratified
|
||||
in commit f88abf1 ("Integrating load/store pair for RV32 with the
|
||||
main manual") of riscv-isa-manual.
|
||||
The standard Zimop extension version 1.0, as ratified in commit
|
||||
58220614a5f ("Zimop is ratified/1.0") of the riscv-isa-manual.
|
||||
|
||||
- const: zk
|
||||
description:
|
||||
@@ -590,87 +671,6 @@ properties:
|
||||
in version 1.0 of RISC-V Cryptography Extensions Volume I
|
||||
specification.
|
||||
|
||||
- const: zicbom
|
||||
description:
|
||||
The standard Zicbom extension for base cache management operations as
|
||||
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
- const: zicbop
|
||||
description:
|
||||
The standard Zicbop extension for cache-block prefetch instructions
|
||||
as ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of
|
||||
riscv-CMOs.
|
||||
|
||||
- const: zicboz
|
||||
description:
|
||||
The standard Zicboz extension for cache-block zeroing as ratified
|
||||
in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
|
||||
|
||||
- const: zicfilp
|
||||
description: |
|
||||
The standard Zicfilp extension for enforcing forward edge
|
||||
control-flow integrity as ratified in commit 3f8e450 ("merge
|
||||
pull request #227 from ved-rivos/0709") of riscv-cfi
|
||||
github repo.
|
||||
|
||||
- const: zicfiss
|
||||
description: |
|
||||
The standard Zicfiss extension for enforcing backward edge
|
||||
control-flow integrity as ratified in commit 3f8e450 ("merge
|
||||
pull request #227 from ved-rivos/0709") of riscv-cfi
|
||||
github repo.
|
||||
|
||||
- const: zicntr
|
||||
description:
|
||||
The standard Zicntr extension for base counters and timers, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zicond
|
||||
description:
|
||||
The standard Zicond extension for conditional arithmetic and
|
||||
conditional-select/move operations as ratified in commit 95cf1f9
|
||||
("Add changes requested by Ved during signoff") of riscv-zicond.
|
||||
|
||||
- const: zicsr
|
||||
description: |
|
||||
The standard Zicsr extension for control and status register
|
||||
instructions, as ratified in the 20191213 version of the
|
||||
unprivileged ISA specification.
|
||||
|
||||
This does not include Chapter 10, "Counters", which documents
|
||||
special case read-only CSRs, that were moved into the Zicntr and
|
||||
Zihpm extensions after the ratification of the 20191213 version of
|
||||
the unprivileged specification.
|
||||
|
||||
- const: zifencei
|
||||
description:
|
||||
The standard Zifencei extension for instruction-fetch fence, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zihintpause
|
||||
description:
|
||||
The standard Zihintpause extension for pause hints, as ratified in
|
||||
commit d8ab5c7 ("Zihintpause is ratified") of the riscv-isa-manual.
|
||||
|
||||
- const: zihintntl
|
||||
description:
|
||||
The standard Zihintntl extension for non-temporal locality hints, as
|
||||
ratified in commit 0dc91f5 ("Zihintntl is ratified") of the
|
||||
riscv-isa-manual.
|
||||
|
||||
- const: zihpm
|
||||
description:
|
||||
The standard Zihpm extension for hardware performance counters, as
|
||||
ratified in the 20191213 version of the unprivileged ISA
|
||||
specification.
|
||||
|
||||
- const: zimop
|
||||
description:
|
||||
The standard Zimop extension version 1.0, as ratified in commit
|
||||
58220614a5f ("Zimop is ratified/1.0") of the riscv-isa-manual.
|
||||
|
||||
- const: ztso
|
||||
description:
|
||||
The standard Ztso extension for total store ordering, as ratified
|
||||
@@ -809,18 +809,18 @@ properties:
|
||||
instructions, as ratified in commit 56ed795 ("Update
|
||||
riscv-crypto-spec-vector.adoc") of riscv-crypto.
|
||||
|
||||
- const: zvksh
|
||||
description: |
|
||||
The standard Zvksh extension for ShangMi suite: SM3 secure hash
|
||||
instructions, as ratified in commit 56ed795 ("Update
|
||||
riscv-crypto-spec-vector.adoc") of riscv-crypto.
|
||||
|
||||
- const: zvksg
|
||||
description:
|
||||
The standard Zvksg extension for ShangMi algorithm suite with GCM
|
||||
instructions, as ratified in commit 56ed795 ("Update
|
||||
riscv-crypto-spec-vector.adoc") of riscv-crypto.
|
||||
|
||||
- const: zvksh
|
||||
description: |
|
||||
The standard Zvksh extension for ShangMi suite: SM3 secure hash
|
||||
instructions, as ratified in commit 56ed795 ("Update
|
||||
riscv-crypto-spec-vector.adoc") of riscv-crypto.
|
||||
|
||||
- const: zvkt
|
||||
description:
|
||||
The standard Zvkt extension for vector data-independent execution
|
||||
|
||||
@@ -21,6 +21,7 @@ properties:
|
||||
- qcom,sc8280xp-lpass-rx-macro
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,eliza-lpass-rx-macro
|
||||
- qcom,kaanapali-lpass-rx-macro
|
||||
- qcom,sm8650-lpass-rx-macro
|
||||
- qcom,sm8750-lpass-rx-macro
|
||||
|
||||
@@ -21,6 +21,7 @@ properties:
|
||||
- qcom,sc8280xp-lpass-tx-macro
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,eliza-lpass-tx-macro
|
||||
- qcom,kaanapali-lpass-tx-macro
|
||||
- qcom,sm8650-lpass-tx-macro
|
||||
- qcom,sm8750-lpass-tx-macro
|
||||
|
||||
@@ -21,6 +21,7 @@ properties:
|
||||
- qcom,sc8280xp-lpass-va-macro
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,eliza-lpass-va-macro
|
||||
- qcom,glymur-lpass-va-macro
|
||||
- qcom,kaanapali-lpass-va-macro
|
||||
- qcom,sm8650-lpass-va-macro
|
||||
|
||||
@@ -20,6 +20,7 @@ properties:
|
||||
- qcom,sc8280xp-lpass-wsa-macro
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,eliza-lpass-wsa-macro
|
||||
- qcom,glymur-lpass-wsa-macro
|
||||
- qcom,kaanapali-lpass-wsa-macro
|
||||
- qcom,sm8650-lpass-wsa-macro
|
||||
|
||||
@@ -23,6 +23,7 @@ properties:
|
||||
- const: qcom,sdm845-sndcard
|
||||
- items:
|
||||
- enum:
|
||||
- qcom,eliza-sndcard
|
||||
- qcom,kaanapali-sndcard
|
||||
- qcom,sm8550-sndcard
|
||||
- qcom,sm8650-sndcard
|
||||
|
||||
@@ -50,7 +50,6 @@ properties:
|
||||
- enum:
|
||||
- mscc,ocelot-spi
|
||||
- mscc,jaguar2-spi
|
||||
- renesas,rzn1-spi
|
||||
- sophgo,sg2042-spi
|
||||
- thead,th1520-spi
|
||||
- const: snps,dw-apb-ssi
|
||||
@@ -94,6 +93,9 @@ properties:
|
||||
- const: ssi_clk
|
||||
- const: pclk
|
||||
|
||||
power-domains:
|
||||
maxItems: 1
|
||||
|
||||
resets:
|
||||
maxItems: 1
|
||||
|
||||
|
||||
@@ -97,7 +97,7 @@ ACLs Partially Supported. only DACLs available, SACLs
|
||||
to allow future support for running as a domain
|
||||
member.
|
||||
Kerberos Supported.
|
||||
Durable handle v1,v2 Planned for future.
|
||||
Durable handle v1,v2 Supported.
|
||||
Persistent handle Planned for future.
|
||||
SMB2 notify Planned for future.
|
||||
Sparse file support Supported.
|
||||
@@ -111,7 +111,7 @@ DCE/RPC support Partially Supported. a few calls(NetShareEnumAll,
|
||||
for Witness protocol e.g.)
|
||||
ksmbd/nfsd interoperability Planned for future. The features that ksmbd
|
||||
support are Leases, Notify, ACLs and Share modes.
|
||||
SMB3.1.1 Compression Planned for future.
|
||||
SMB3.1.1 Compression Supported.
|
||||
SMB3.1.1 over QUIC Planned for future.
|
||||
Signing/Encryption over RDMA Planned for future.
|
||||
SMB3.1.1 GMAC signing support Planned for future.
|
||||
|
||||
@@ -308,7 +308,7 @@ an involved disclosed party. The current ambassadors list:
|
||||
|
||||
Google Kees Cook <keescook@chromium.org>
|
||||
|
||||
LLVM Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
|
||||
LLVM Nick Desaulniers <ndesaulniers@google.com>
|
||||
============= ========================================================
|
||||
|
||||
If you want your organization to be added to the ambassadors list, please
|
||||
|
||||
@@ -493,8 +493,9 @@ a freshly woken up task gets on a CPU.
|
||||
Where to Look
|
||||
=============
|
||||
|
||||
* ``include/linux/sched/ext.h`` defines the core data structures, ops table
|
||||
and constants.
|
||||
* ``include/linux/sched/ext.h`` defines the core data structures and
|
||||
constants, while the ops table (``struct sched_ext_ops``) is defined in
|
||||
``kernel/sched/ext/internal.h``.
|
||||
|
||||
* ``kernel/sched/ext/ext.c`` contains sched_ext core implementation and helpers.
|
||||
The functions prefixed with ``scx_bpf_`` can be called from the BPF
|
||||
@@ -555,7 +556,8 @@ ABI Instability
|
||||
===============
|
||||
|
||||
The APIs provided by sched_ext to BPF schedulers programs have no stability
|
||||
guarantees. This includes the ops table callbacks and constants defined in
|
||||
guarantees. This includes the ops table callbacks defined in
|
||||
``kernel/sched/ext/internal.h`` and the constants defined in
|
||||
``include/linux/sched/ext.h``, as well as the ``scx_bpf_`` kfuncs defined in
|
||||
``kernel/sched/ext/ext.c`` and ``kernel/sched/ext/idle.c``.
|
||||
|
||||
|
||||
@@ -281,7 +281,7 @@ Global Temperature
|
||||
:Description: Global die temperature sense register.
|
||||
:Type: Integer (read-only)
|
||||
:Range: 0 to 255
|
||||
:Conversion: (value × 0.5 °C) − 50 °C
|
||||
:Conversion: value × 2.19 K; subtract 273.15 for °C
|
||||
:Register: 0x75
|
||||
|
||||
CHx Temperature Range
|
||||
@@ -289,10 +289,11 @@ CHx Temperature Range
|
||||
|
||||
:Description: Per-channel coarse temperature range indicator (x = 1, 2, 3, 4).
|
||||
:Type: Integer (read-only)
|
||||
:Range: 0 to 3
|
||||
:Mapping: 0 = <80 °C, 1 = 80–100 °C, 2 = 100–120 °C, 3 = >120 °C
|
||||
:Register: 0xBB bits [7:6] (CH1), bits [5:4] (CH2),
|
||||
0xBC bits [3:2] (CH3), bits [1:0] (CH4)
|
||||
:Range: 0 to 7
|
||||
:Mapping: 0 = <95 °C, 1 = 95–110 °C, 2 = 110–125 °C, 3 = 125–135 °C,
|
||||
4 = 135–145 °C, 5 = 145–155 °C, 6 = 155–165 °C, 7 = >165 °C
|
||||
:Register: 0xBB bits [2:0] (CH1), bits [5:3] (CH2),
|
||||
0xBC bits [2:0] (CH3), bits [5:3] (CH4)
|
||||
|
||||
Load Diagnostics
|
||||
================
|
||||
|
||||
@@ -287,7 +287,7 @@ revelada involucrada. La lista de embajadores actuales:
|
||||
|
||||
Google Kees Cook <keescook@chromium.org>
|
||||
|
||||
LLVM Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
|
||||
LLVM Nick Desaulniers <ndesaulniers@google.com>
|
||||
============= ========================================================
|
||||
|
||||
Si quiere que su organización se añada a la lista de embajadores, por
|
||||
|
||||
23
MAINTAINERS
23
MAINTAINERS
@@ -2767,12 +2767,12 @@ F: arch/arm/mach-ep93xx/
|
||||
F: drivers/iio/adc/ep93xx_adc.c
|
||||
|
||||
ARM/CIX SOC SUPPORT
|
||||
M: Peter Chen <peter.chen@cixtech.com>
|
||||
M: Gary Yang <gary.yang@cixtech.com>
|
||||
M: Fugang Duan <fugang.duan@cixtech.com>
|
||||
R: CIX Linux Kernel Upstream Group <cix-kernel-upstream@cixtech.com>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/cix.git
|
||||
T: git https://github.com/cixtech/linux-mainline.git
|
||||
F: Documentation/devicetree/bindings/arm/cix.yaml
|
||||
F: Documentation/devicetree/bindings/mailbox/cix,sky1-mbox.yaml
|
||||
F: arch/arm64/boot/dts/cix/
|
||||
@@ -6209,6 +6209,7 @@ F: include/dt-bindings/sound/cs*
|
||||
F: include/linux/mfd/cs42l43*
|
||||
F: include/sound/cs*
|
||||
F: sound/hda/codecs/cirrus*
|
||||
F: sound/hda/codecs/side-codecs/cirrus*
|
||||
F: sound/hda/codecs/side-codecs/cs*
|
||||
F: sound/hda/codecs/side-codecs/hda_component*
|
||||
F: sound/soc/codecs/cs*
|
||||
@@ -6342,7 +6343,7 @@ F: .clang-format
|
||||
|
||||
CLANG/LLVM BUILD SUPPORT
|
||||
M: Nathan Chancellor <nathan@kernel.org>
|
||||
R: Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
|
||||
R: Nick Desaulniers <ndesaulniers@google.com>
|
||||
R: Bill Wendling <morbo@google.com>
|
||||
R: Justin Stitt <justinstitt@google.com>
|
||||
L: llvm@lists.linux.dev
|
||||
@@ -14191,6 +14192,7 @@ F: virt/kvm/*
|
||||
KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
|
||||
M: Marc Zyngier <maz@kernel.org>
|
||||
M: Oliver Upton <oupton@kernel.org>
|
||||
R: Fuad Tabba <tabba@google.com>
|
||||
R: Joey Gouly <joey.gouly@arm.com>
|
||||
R: Steffen Eiden <seiden@linux.ibm.com>
|
||||
R: Suzuki K Poulose <suzuki.poulose@arm.com>
|
||||
@@ -17204,6 +17206,7 @@ R: Liam R. Howlett <liam@infradead.org>
|
||||
R: Vlastimil Babka <vbabka@kernel.org>
|
||||
R: Harry Yoo <harry@kernel.org>
|
||||
R: Jann Horn <jannh@google.com>
|
||||
R: Lance Yang <lance.yang@linux.dev>
|
||||
L: linux-mm@kvack.org
|
||||
S: Maintained
|
||||
F: include/linux/rmap.h
|
||||
@@ -20194,7 +20197,7 @@ W: http://www.onsemi.com
|
||||
F: drivers/net/phy/ncn*
|
||||
|
||||
OP-TEE DRIVER
|
||||
M: Jens Wiklander <jens.wiklander@linaro.org>
|
||||
M: Jens Wiklander <jenswi@kernel.org>
|
||||
L: op-tee@lists.trustedfirmware.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
F: Documentation/ABI/testing/sysfs-bus-optee-devices
|
||||
@@ -20405,7 +20408,7 @@ F: kernel/padata.c
|
||||
|
||||
PAGE CACHE
|
||||
M: Matthew Wilcox (Oracle) <willy@infradead.org>
|
||||
R: Jan Kara <jack@suse.cz>
|
||||
M: Jan Kara <jack@suse.cz>
|
||||
L: linux-fsdevel@vger.kernel.org
|
||||
L: linux-mm@kvack.org
|
||||
S: Supported
|
||||
@@ -23312,7 +23315,7 @@ L: spacemit@lists.linux.dev
|
||||
S: Maintained
|
||||
W: https://github.com/spacemit-com/linux/wiki
|
||||
C: irc://irc.libera.chat/spacemit
|
||||
T: git https://github.com/spacemit-com/linux
|
||||
T: https://git.kernel.org/pub/scm/linux/kernel/git/spacemit/linux.git
|
||||
F: arch/riscv/boot/dts/spacemit/
|
||||
N: spacemit
|
||||
K: spacemit
|
||||
@@ -23571,7 +23574,7 @@ F: Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml
|
||||
F: drivers/media/platform/sunxi/sun8i-rotate/
|
||||
|
||||
RPMB SUBSYSTEM
|
||||
M: Jens Wiklander <jens.wiklander@linaro.org>
|
||||
M: Jens Wiklander <jenswi@kernel.org>
|
||||
L: linux-kernel@vger.kernel.org
|
||||
S: Supported
|
||||
F: drivers/misc/rpmb-core.c
|
||||
@@ -25377,6 +25380,7 @@ M: Bard Liao <yung-chuan.liao@linux.intel.com>
|
||||
M: Daniel Baluta <daniel.baluta@nxp.com>
|
||||
R: Kai Vehmanen <kai.vehmanen@linux.intel.com>
|
||||
R: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
|
||||
R: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
|
||||
L: sound-open-firmware@alsa-project.org (moderated for non-subscribers)
|
||||
S: Supported
|
||||
W: https://github.com/thesofproject/linux/
|
||||
@@ -26524,7 +26528,7 @@ F: drivers/media/i2c/tw9910.c
|
||||
F: include/media/i2c/tw9910.h
|
||||
|
||||
TEE SUBSYSTEM
|
||||
M: Jens Wiklander <jens.wiklander@linaro.org>
|
||||
M: Jens Wiklander <jenswi@kernel.org>
|
||||
R: Sumit Garg <sumit.garg@kernel.org>
|
||||
L: op-tee@lists.trustedfirmware.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
@@ -28053,6 +28057,7 @@ F: include/dt-bindings/usb/
|
||||
F: include/linux/usb.h
|
||||
F: include/linux/usb/
|
||||
F: include/uapi/linux/usb/
|
||||
F: rust/kernel/usb.rs
|
||||
|
||||
USB TYPEC BUS FOR ALTERNATE MODES
|
||||
M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
|
||||
@@ -28725,7 +28730,7 @@ F: include/linux/vbox_utils.h
|
||||
F: include/uapi/linux/vbox*.h
|
||||
|
||||
VIRTUAL BOX SHARED FOLDER VFS DRIVER
|
||||
M: Hans de Goede <hansg@kernel.org>
|
||||
M: Jori Koolstra <jkoolstra@xs4all.nl>
|
||||
L: linux-fsdevel@vger.kernel.org
|
||||
S: Maintained
|
||||
F: fs/vboxsf/*
|
||||
|
||||
2
Makefile
2
Makefile
@@ -2,7 +2,7 @@
|
||||
VERSION = 7
|
||||
PATCHLEVEL = 2
|
||||
SUBLEVEL = 0
|
||||
EXTRAVERSION = -rc1
|
||||
EXTRAVERSION = -rc3
|
||||
NAME = Baby Opossum Posse
|
||||
|
||||
# *DOCUMENTATION*
|
||||
|
||||
@@ -14,6 +14,5 @@ menuconfig ARCH_IXP4XX
|
||||
select IXP4XX_TIMER
|
||||
select USB_EHCI_BIG_ENDIAN_DESC
|
||||
select USB_EHCI_BIG_ENDIAN_MMIO
|
||||
select USE_OF
|
||||
help
|
||||
Support for Intel's IXP4XX (XScale) family of processors.
|
||||
|
||||
@@ -22,7 +22,6 @@ config MACH_PXA25X_DT
|
||||
select PINCTRL
|
||||
select POWER_SUPPLY
|
||||
select PXA25x
|
||||
select USE_OF
|
||||
help
|
||||
Include support for Marvell PXA25x based platforms using
|
||||
the device tree. Needn't select any other machine while
|
||||
@@ -33,7 +32,6 @@ config MACH_PXA27X_DT
|
||||
select PINCTRL
|
||||
select POWER_SUPPLY
|
||||
select PXA27x
|
||||
select USE_OF
|
||||
help
|
||||
Include support for Marvell PXA27x based platforms using
|
||||
the device tree. Needn't select any other machine while
|
||||
@@ -47,7 +45,6 @@ config MACH_PXA3XX_DT
|
||||
select PINCTRL
|
||||
select POWER_SUPPLY
|
||||
select PXA3xx
|
||||
select USE_OF
|
||||
help
|
||||
Include support for Marvell PXA3xx based platforms using
|
||||
the device tree. Needn't select any other machine while
|
||||
|
||||
@@ -5355,7 +5355,7 @@ cpus {
|
||||
#size-cells = <0>;
|
||||
|
||||
cpu0_0: cpu@0 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x00000>;
|
||||
|
||||
@@ -5374,7 +5374,7 @@ cpu0_0: cpu@0 {
|
||||
};
|
||||
|
||||
cpu0_1: cpu@100 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x00100>;
|
||||
|
||||
@@ -5393,7 +5393,7 @@ cpu0_1: cpu@100 {
|
||||
};
|
||||
|
||||
cpu0_2: cpu@200 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x00200>;
|
||||
|
||||
@@ -5412,7 +5412,7 @@ cpu0_2: cpu@200 {
|
||||
};
|
||||
|
||||
cpu0_3: cpu@300 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x00300>;
|
||||
|
||||
@@ -5431,7 +5431,7 @@ cpu0_3: cpu@300 {
|
||||
};
|
||||
|
||||
cpu1_0: cpu@10000 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x10000>;
|
||||
|
||||
@@ -5450,7 +5450,7 @@ cpu1_0: cpu@10000 {
|
||||
};
|
||||
|
||||
cpu1_1: cpu@10100 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x10100>;
|
||||
|
||||
@@ -5469,7 +5469,7 @@ cpu1_1: cpu@10100 {
|
||||
};
|
||||
|
||||
cpu1_2: cpu@10200 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x10200>;
|
||||
|
||||
@@ -5488,7 +5488,7 @@ cpu1_2: cpu@10200 {
|
||||
};
|
||||
|
||||
cpu1_3: cpu@10300 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x10300>;
|
||||
|
||||
@@ -5507,7 +5507,7 @@ cpu1_3: cpu@10300 {
|
||||
};
|
||||
|
||||
cpu2_0: cpu@20000 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x20000>;
|
||||
|
||||
@@ -5526,7 +5526,7 @@ cpu2_0: cpu@20000 {
|
||||
};
|
||||
|
||||
cpu2_1: cpu@20100 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x20100>;
|
||||
|
||||
@@ -5545,7 +5545,7 @@ cpu2_1: cpu@20100 {
|
||||
};
|
||||
|
||||
cpu2_2: cpu@20200 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x20200>;
|
||||
|
||||
@@ -5564,7 +5564,7 @@ cpu2_2: cpu@20200 {
|
||||
};
|
||||
|
||||
cpu2_3: cpu@20300 {
|
||||
compatible = "arm,cortex-a78";
|
||||
compatible = "arm,cortex-a78ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x20300>;
|
||||
|
||||
|
||||
@@ -3208,7 +3208,7 @@ agic_page5: interrupt-controller@99b0000 {
|
||||
};
|
||||
|
||||
gpcdma: dma-controller@8400000 {
|
||||
compatible = "nvidia,tegra264-gpcdma", "nvidia,tegra186-gpcdma";
|
||||
compatible = "nvidia,tegra264-gpcdma";
|
||||
reg = <0x0 0x08400000 0x0 0x210000>;
|
||||
interrupts = <GIC_SPI 584 IRQ_TYPE_LEVEL_HIGH>,
|
||||
<GIC_SPI 585 IRQ_TYPE_LEVEL_HIGH>,
|
||||
@@ -4070,7 +4070,7 @@ cpu0: cpu@0 {
|
||||
d-cache-sets = <256>;
|
||||
};
|
||||
|
||||
cpu1: cpu@1 {
|
||||
cpu1: cpu@10000 {
|
||||
compatible = "arm,neoverse-v3ae";
|
||||
device_type = "cpu";
|
||||
reg = <0x10000>;
|
||||
|
||||
@@ -107,6 +107,47 @@ tee@8c400000 {
|
||||
reg = <0x0 0x8c400000 0x0 0x02000000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
/* DRAM controller inline ECC areas */
|
||||
ecc@10cccc0000 {
|
||||
reg = <0x10 0xcccc0000 0x0 0x33340000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@12cccc0000 {
|
||||
reg = <0x12 0xcccc0000 0x0 0x33340000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@14cccc0000 {
|
||||
reg = <0x14 0xcccc0000 0x0 0x33340000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@16cccc0000 {
|
||||
reg = <0x16 0xcccc0000 0x0 0x33340000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@18cccc0000 {
|
||||
reg = <0x18 0xcccc0000 0x0 0x33340000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@1a66660000 {
|
||||
reg = <0x1a 0x66660000 0x0 0x999a0000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@1c66660000 {
|
||||
reg = <0x1c 0x66660000 0x0 0x999a0000>;
|
||||
no-map;
|
||||
};
|
||||
|
||||
ecc@1e66660000 {
|
||||
reg = <0x1e 0x66660000 0x0 0x999a0000>;
|
||||
no-map;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
@@ -388,6 +388,14 @@ struct s1_walk_result {
|
||||
bool failed;
|
||||
};
|
||||
|
||||
static inline void fail_s1_walk(struct s1_walk_result *wr, u8 fst, bool s1ptw)
|
||||
{
|
||||
wr->fst = fst;
|
||||
wr->ptw = s1ptw;
|
||||
wr->s2 = s1ptw;
|
||||
wr->failed = true;
|
||||
}
|
||||
|
||||
int __kvm_translate_va(struct kvm_vcpu *vcpu, struct s1_walk_info *wi,
|
||||
struct s1_walk_result *wr, u64 va);
|
||||
int __kvm_find_s1_desc_level(struct kvm_vcpu *vcpu, u64 va, u64 ipa,
|
||||
|
||||
@@ -2,17 +2,11 @@
|
||||
#ifndef _ARCH_ARM64_TLBBATCH_H
|
||||
#define _ARCH_ARM64_TLBBATCH_H
|
||||
|
||||
#include <linux/cpumask.h>
|
||||
|
||||
struct arch_tlbflush_unmap_batch {
|
||||
#ifdef CONFIG_ARM64_ERRATUM_4193714
|
||||
/*
|
||||
* Track CPUs that need SME DVMSync on completion of this batch.
|
||||
* Otherwise, the arm64 HW can do tlb shootdown, so we don't need to
|
||||
* record cpumask for sending IPI
|
||||
* For arm64, HW can do TLB shootdown, so we don't need to record a
|
||||
* cpumask for sending IPIs.
|
||||
*/
|
||||
cpumask_var_t cpumask;
|
||||
#endif
|
||||
};
|
||||
|
||||
#endif /* _ARCH_ARM64_TLBBATCH_H */
|
||||
|
||||
@@ -82,6 +82,8 @@ static inline unsigned long get_trans_granule(void)
|
||||
|
||||
#ifdef CONFIG_ARM64_ERRATUM_4193714
|
||||
|
||||
extern cpumask_t sme_active_cpus;
|
||||
|
||||
void sme_do_dvmsync(const struct cpumask *mask);
|
||||
|
||||
static inline void sme_dvmsync(struct mm_struct *mm)
|
||||
@@ -92,42 +94,12 @@ static inline void sme_dvmsync(struct mm_struct *mm)
|
||||
sme_do_dvmsync(mm_cpumask(mm));
|
||||
}
|
||||
|
||||
static inline void sme_dvmsync_add_pending(struct arch_tlbflush_unmap_batch *batch,
|
||||
struct mm_struct *mm)
|
||||
static inline void sme_dvmsync_batch(void)
|
||||
{
|
||||
if (!alternative_has_cap_unlikely(ARM64_WORKAROUND_4193714))
|
||||
return;
|
||||
|
||||
/*
|
||||
* Order the mm_cpumask() read after the hardware DVMSync.
|
||||
*/
|
||||
dsb(ish);
|
||||
if (cpumask_empty(mm_cpumask(mm)))
|
||||
return;
|
||||
|
||||
/*
|
||||
* Allocate the batch cpumask on first use. Fall back to an immediate
|
||||
* IPI for this mm in case of failure.
|
||||
*/
|
||||
if (!cpumask_available(batch->cpumask) &&
|
||||
!zalloc_cpumask_var(&batch->cpumask, GFP_ATOMIC)) {
|
||||
sme_do_dvmsync(mm_cpumask(mm));
|
||||
return;
|
||||
}
|
||||
|
||||
cpumask_or(batch->cpumask, batch->cpumask, mm_cpumask(mm));
|
||||
}
|
||||
|
||||
static inline void sme_dvmsync_batch(struct arch_tlbflush_unmap_batch *batch)
|
||||
{
|
||||
if (!alternative_has_cap_unlikely(ARM64_WORKAROUND_4193714))
|
||||
return;
|
||||
|
||||
if (!cpumask_available(batch->cpumask))
|
||||
return;
|
||||
|
||||
sme_do_dvmsync(batch->cpumask);
|
||||
cpumask_clear(batch->cpumask);
|
||||
sme_do_dvmsync(&sme_active_cpus);
|
||||
}
|
||||
|
||||
#else
|
||||
@@ -135,11 +107,7 @@ static inline void sme_dvmsync_batch(struct arch_tlbflush_unmap_batch *batch)
|
||||
static inline void sme_dvmsync(struct mm_struct *mm)
|
||||
{
|
||||
}
|
||||
static inline void sme_dvmsync_add_pending(struct arch_tlbflush_unmap_batch *batch,
|
||||
struct mm_struct *mm)
|
||||
{
|
||||
}
|
||||
static inline void sme_dvmsync_batch(struct arch_tlbflush_unmap_batch *batch)
|
||||
static inline void sme_dvmsync_batch(void)
|
||||
{
|
||||
}
|
||||
|
||||
@@ -285,11 +253,11 @@ static inline void __tlbi_sync_s1ish(struct mm_struct *mm)
|
||||
sme_dvmsync(mm);
|
||||
}
|
||||
|
||||
static inline void __tlbi_sync_s1ish_batch(struct arch_tlbflush_unmap_batch *batch)
|
||||
static inline void __tlbi_sync_s1ish_batch(void)
|
||||
{
|
||||
dsb(ish);
|
||||
__repeat_tlbi_sync(vale1is, 0);
|
||||
sme_dvmsync_batch(batch);
|
||||
sme_dvmsync_batch();
|
||||
}
|
||||
|
||||
static inline void __tlbi_sync_s1ish_kernel(void)
|
||||
@@ -434,7 +402,7 @@ static inline bool arch_tlbbatch_should_defer(struct mm_struct *mm)
|
||||
*/
|
||||
static inline void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch)
|
||||
{
|
||||
__tlbi_sync_s1ish_batch(batch);
|
||||
__tlbi_sync_s1ish_batch();
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -722,7 +690,6 @@ static inline void arch_tlbbatch_add_pending(struct arch_tlbflush_unmap_batch *b
|
||||
|
||||
__flush_tlb_range(&vma, start, end, PAGE_SIZE, 3,
|
||||
TLBF_NOWALKCACHE | TLBF_NOSYNC);
|
||||
sme_dvmsync_add_pending(batch, mm);
|
||||
}
|
||||
|
||||
static inline bool __pte_flags_need_flush(ptval_t oldval, ptval_t newval)
|
||||
|
||||
@@ -448,12 +448,14 @@ int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 apci_id,
|
||||
return *pcpu;
|
||||
}
|
||||
|
||||
set_cpu_present(*pcpu, true);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(acpi_map_cpu);
|
||||
|
||||
int acpi_unmap_cpu(int cpu)
|
||||
{
|
||||
set_cpu_present(cpu, false);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(acpi_unmap_cpu);
|
||||
|
||||
@@ -1355,6 +1355,7 @@ void do_sve_acc(unsigned long esr, struct pt_regs *regs)
|
||||
* SME/CME erratum handling.
|
||||
*/
|
||||
static cpumask_t sme_dvmsync_cpus;
|
||||
cpumask_t sme_active_cpus;
|
||||
|
||||
/*
|
||||
* These helpers are only called from non-preemptible contexts, so
|
||||
@@ -1368,13 +1369,15 @@ void sme_set_active(void)
|
||||
return;
|
||||
|
||||
cpumask_set_cpu(cpu, mm_cpumask(current->mm));
|
||||
cpumask_set_cpu(cpu, &sme_active_cpus);
|
||||
|
||||
/*
|
||||
* A subsequent (post ERET) SME access may use a stale address
|
||||
* translation. On C1-Pro, a TLBI+DSB on a different CPU will wait for
|
||||
* the completion of cpumask_set_cpu() above as it appears in program
|
||||
* order before the SME access. The post-TLBI+DSB read of mm_cpumask()
|
||||
* will lead to the IPI being issued.
|
||||
* the completion of the cpumask_set_cpu() operations above as they
|
||||
* appear in program order before the SME access. The post-TLBI+DSB
|
||||
* read of mm_cpumask() or sme_active_cpus will lead to the IPI being
|
||||
* issued.
|
||||
*
|
||||
* https://lore.kernel.org/r/ablEXwhfKyJW1i7l@J2N7QTR9R3
|
||||
*/
|
||||
@@ -1392,6 +1395,7 @@ void sme_clear_active(void)
|
||||
* completed on entering EL1.
|
||||
*/
|
||||
cpumask_clear_cpu(cpu, mm_cpumask(current->mm));
|
||||
cpumask_clear_cpu(cpu, &sme_active_cpus);
|
||||
}
|
||||
|
||||
static void sme_dvmsync_ipi(void *unused)
|
||||
|
||||
@@ -341,41 +341,8 @@ void flush_thread(void)
|
||||
flush_gcs();
|
||||
}
|
||||
|
||||
#ifdef CONFIG_ARM64_ERRATUM_4193714
|
||||
|
||||
static void arch_dup_tlbbatch_mask(struct task_struct *dst)
|
||||
{
|
||||
/*
|
||||
* Clear the inherited cpumask with memset() to cover both cases where
|
||||
* cpumask_var_t is a pointer or an array. It will be allocated lazily
|
||||
* in sme_dvmsync_add_pending() if CPUMASK_OFFSTACK=y.
|
||||
*/
|
||||
if (alternative_has_cap_unlikely(ARM64_WORKAROUND_4193714))
|
||||
memset(&dst->tlb_ubc.arch.cpumask, 0,
|
||||
sizeof(dst->tlb_ubc.arch.cpumask));
|
||||
}
|
||||
|
||||
static void arch_release_tlbbatch_mask(struct task_struct *tsk)
|
||||
{
|
||||
if (alternative_has_cap_unlikely(ARM64_WORKAROUND_4193714))
|
||||
free_cpumask_var(tsk->tlb_ubc.arch.cpumask);
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static void arch_dup_tlbbatch_mask(struct task_struct *dst)
|
||||
{
|
||||
}
|
||||
|
||||
static void arch_release_tlbbatch_mask(struct task_struct *tsk)
|
||||
{
|
||||
}
|
||||
|
||||
#endif /* CONFIG_ARM64_ERRATUM_4193714 */
|
||||
|
||||
void arch_release_task_struct(struct task_struct *tsk)
|
||||
{
|
||||
arch_release_tlbbatch_mask(tsk);
|
||||
fpsimd_release_task(tsk);
|
||||
}
|
||||
|
||||
@@ -391,8 +358,6 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
|
||||
|
||||
*dst = *src;
|
||||
|
||||
arch_dup_tlbbatch_mask(dst);
|
||||
|
||||
/*
|
||||
* Drop stale reference to src's sve_state and convert dst to
|
||||
* non-streaming FPSIMD mode.
|
||||
|
||||
@@ -535,23 +535,13 @@ void arch_unregister_cpu(int cpu)
|
||||
{
|
||||
acpi_handle acpi_handle = acpi_get_processor_handle(cpu);
|
||||
struct cpu *c = &per_cpu(cpu_devices, cpu);
|
||||
acpi_status status;
|
||||
unsigned long long sta;
|
||||
|
||||
if (!acpi_handle) {
|
||||
pr_err_once("Removing a CPU without associated ACPI handle\n");
|
||||
return;
|
||||
}
|
||||
acpi_status status;
|
||||
|
||||
status = acpi_evaluate_integer(acpi_handle, "_STA", NULL, &sta);
|
||||
if (ACPI_FAILURE(status))
|
||||
return;
|
||||
|
||||
/* For now do not allow anything that looks like physical CPU HP */
|
||||
if (cpu_present(cpu) && !(sta & ACPI_STA_DEVICE_PRESENT)) {
|
||||
if (!ACPI_FAILURE(status) &&
|
||||
cpu_present(cpu) && !(sta & ACPI_STA_DEVICE_PRESENT))
|
||||
pr_err_once("Changing CPU present bit is not supported\n");
|
||||
return;
|
||||
}
|
||||
|
||||
unregister_cpu(c);
|
||||
}
|
||||
@@ -566,6 +556,11 @@ struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu)
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(acpi_cpu_get_madt_gicc);
|
||||
|
||||
static bool acpi_cpu_is_present(int cpu)
|
||||
{
|
||||
return acpi_cpu_get_madt_gicc(cpu)->flags & ACPI_MADT_ENABLED;
|
||||
}
|
||||
|
||||
/*
|
||||
* acpi_map_gic_cpu_interface - parse processor MADT entry
|
||||
*
|
||||
@@ -670,6 +665,10 @@ static void __init acpi_parse_and_init_cpus(void)
|
||||
early_map_cpu_to_node(i, acpi_numa_get_nid(i));
|
||||
}
|
||||
#else
|
||||
static bool acpi_cpu_is_present(int cpu)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
#define acpi_parse_and_init_cpus(...) do { } while (0)
|
||||
#endif
|
||||
|
||||
@@ -814,7 +813,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
|
||||
if (err)
|
||||
continue;
|
||||
|
||||
set_cpu_present(cpu, true);
|
||||
if (acpi_disabled || acpi_cpu_is_present(cpu))
|
||||
set_cpu_present(cpu, true);
|
||||
numa_store_cpu_info(cpu);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -11,14 +11,6 @@
|
||||
#include <asm/kvm_mmu.h>
|
||||
#include <asm/lsui.h>
|
||||
|
||||
static void fail_s1_walk(struct s1_walk_result *wr, u8 fst, bool s1ptw)
|
||||
{
|
||||
wr->fst = fst;
|
||||
wr->ptw = s1ptw;
|
||||
wr->s2 = s1ptw;
|
||||
wr->failed = true;
|
||||
}
|
||||
|
||||
#define S1_MMU_DISABLED (-127)
|
||||
|
||||
static int get_ia_size(struct s1_walk_info *wi)
|
||||
|
||||
@@ -2746,17 +2746,33 @@ static u64 kvm_check_illegal_exception_return(struct kvm_vcpu *vcpu, u64 spsr)
|
||||
(spsr & PSR_MODE32_BIT) ||
|
||||
(vcpu_el2_tge_is_set(vcpu) && (mode == PSR_MODE_EL1t ||
|
||||
mode == PSR_MODE_EL1h))) {
|
||||
/*
|
||||
* The guest is playing with our nerves. Preserve EL, SP,
|
||||
* masks, flags from the existing PSTATE, and set IL.
|
||||
* The HW will then generate an Illegal State Exception
|
||||
* immediately after ERET.
|
||||
*/
|
||||
spsr = *vcpu_cpsr(vcpu);
|
||||
u64 mask;
|
||||
|
||||
spsr &= (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT |
|
||||
PSR_N_BIT | PSR_Z_BIT | PSR_C_BIT | PSR_V_BIT |
|
||||
PSR_MODE_MASK | PSR_MODE32_BIT);
|
||||
/*
|
||||
* On an illegal exception return, the flags and masks are
|
||||
* taken from the SPSR while PSTATE.{EL,SP,nRW} and, if
|
||||
* FEAT_GCS, PSTATE.EXLOCK are unchanged (R_VWJHB). Set IL
|
||||
* so the HW generates an Illegal State Exception right
|
||||
* after ERET.
|
||||
*/
|
||||
mask = PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT |
|
||||
PSR_N_BIT | PSR_Z_BIT | PSR_C_BIT | PSR_V_BIT;
|
||||
|
||||
if (kvm_has_feat(vcpu->kvm, ID_AA64MMFR1_EL1, PAN, IMP))
|
||||
mask |= PSR_PAN_BIT;
|
||||
if (kvm_has_feat(vcpu->kvm, ID_AA64PFR1_EL1, NMI, IMP))
|
||||
mask |= ALLINT_ALLINT;
|
||||
/* FEAT_SPE_EXC and FEAT_TRBE_EXC also gate PSTATE.PM one day... */
|
||||
if (kvm_has_feat(vcpu->kvm, ID_AA64DFR1_EL1, EBEP, IMP))
|
||||
mask |= BIT_ULL(32); /* SPSR_ELx.PM */
|
||||
|
||||
spsr &= mask;
|
||||
|
||||
mask = PSR_MODE_MASK | PSR_MODE32_BIT;
|
||||
if (kvm_has_feat(vcpu->kvm, ID_AA64PFR1_EL1, GCS, IMP))
|
||||
mask |= BIT_ULL(34); /* PSTATE.EXLOCK */
|
||||
|
||||
spsr |= *vcpu_cpsr(vcpu) & mask;
|
||||
spsr |= PSR_IL_BIT;
|
||||
}
|
||||
|
||||
@@ -2784,7 +2800,7 @@ void kvm_emulate_nested_eret(struct kvm_vcpu *vcpu)
|
||||
* ERET handling, and the guest will have a little surprise.
|
||||
*/
|
||||
if (kvm_has_pauth(vcpu->kvm, FPACCOMBINE) && !(spsr & PSR_IL_BIT)) {
|
||||
esr &= ESR_ELx_ERET_ISS_ERETA;
|
||||
esr &= (ESR_ELx_ERET_ISS_ERETA | ESR_ELx_IL);
|
||||
esr |= FIELD_PREP(ESR_ELx_EC_MASK, ESR_ELx_EC_FPAC);
|
||||
kvm_inject_nested_sync(vcpu, esr);
|
||||
return;
|
||||
@@ -2826,6 +2842,7 @@ static void kvm_inject_el2_exception(struct kvm_vcpu *vcpu, u64 esr_el2,
|
||||
break;
|
||||
case except_type_serror:
|
||||
kvm_pend_exception(vcpu, EXCEPT_AA64_EL2_SERR);
|
||||
vcpu_write_sys_reg(vcpu, esr_el2, ESR_EL2);
|
||||
break;
|
||||
default:
|
||||
WARN_ONCE(1, "Unsupported EL2 exception injection %d\n", type);
|
||||
@@ -2950,6 +2967,6 @@ int kvm_inject_nested_serror(struct kvm_vcpu *vcpu, u64 esr)
|
||||
* vSError injection. Manually populate EC for an emulated SError
|
||||
* exception.
|
||||
*/
|
||||
esr |= FIELD_PREP(ESR_ELx_EC_MASK, ESR_ELx_EC_SERROR);
|
||||
esr |= FIELD_PREP(ESR_ELx_EC_MASK, ESR_ELx_EC_SERROR) | ESR_ELx_IL;
|
||||
return kvm_inject_nested(vcpu, esr, except_type_serror);
|
||||
}
|
||||
|
||||
@@ -448,16 +448,19 @@ static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
|
||||
|
||||
static inline bool kvm_hyp_handle_mops(struct kvm_vcpu *vcpu, u64 *exit_code)
|
||||
{
|
||||
u64 spsr;
|
||||
|
||||
*vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
|
||||
arm64_mops_reset_regs(vcpu_gp_regs(vcpu), vcpu->arch.fault.esr_el2);
|
||||
write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
|
||||
|
||||
/*
|
||||
* Finish potential single step before executing the prologue
|
||||
* instruction.
|
||||
* instruction. Modify the hardware SPSR_EL2 directly, as vcpu_cpsr()
|
||||
* may hold a synthetic (vEL2) value for a guest hypervisor.
|
||||
*/
|
||||
*vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
|
||||
write_sysreg_el2(*vcpu_cpsr(vcpu), SYS_SPSR);
|
||||
spsr = read_sysreg_el2(SYS_SPSR);
|
||||
write_sysreg_el2(spsr & ~DBG_SPSR_SS, SYS_SPSR);
|
||||
|
||||
return true;
|
||||
}
|
||||
@@ -602,8 +605,6 @@ static inline bool kvm_hyp_handle_fpsimd(struct kvm_vcpu *vcpu, u64 *exit_code)
|
||||
return false;
|
||||
break;
|
||||
case ESR_ELx_EC_SYS64:
|
||||
if (WARN_ON_ONCE(!is_hyp_ctxt(vcpu)))
|
||||
return false;
|
||||
fallthrough;
|
||||
case ESR_ELx_EC_SVE:
|
||||
if (!sve_guest)
|
||||
|
||||
@@ -352,7 +352,7 @@ static u32 __ffa_host_share_ranges(struct ffa_mem_region_addr_range *ranges,
|
||||
u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
|
||||
u64 pfn = hyp_phys_to_pfn(range->address);
|
||||
|
||||
if (!PAGE_ALIGNED(sz))
|
||||
if (!PAGE_ALIGNED(sz | range->address))
|
||||
break;
|
||||
|
||||
if (__pkvm_host_share_ffa(pfn, sz / PAGE_SIZE))
|
||||
@@ -372,7 +372,7 @@ static u32 __ffa_host_unshare_ranges(struct ffa_mem_region_addr_range *ranges,
|
||||
u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
|
||||
u64 pfn = hyp_phys_to_pfn(range->address);
|
||||
|
||||
if (!PAGE_ALIGNED(sz))
|
||||
if (!PAGE_ALIGNED(sz | range->address))
|
||||
break;
|
||||
|
||||
if (__pkvm_host_unshare_ffa(pfn, sz / PAGE_SIZE))
|
||||
@@ -476,11 +476,12 @@ static void __do_ffa_mem_xfer(const u64 func_id,
|
||||
DECLARE_REG(u32, fraglen, ctxt, 2);
|
||||
DECLARE_REG(u64, addr_mbz, ctxt, 3);
|
||||
DECLARE_REG(u32, npages_mbz, ctxt, 4);
|
||||
u32 offset, nr_ranges, checked_offset, em_mem_access_off;
|
||||
struct ffa_mem_region_attributes *ep_mem_access;
|
||||
struct ffa_composite_mem_region *reg;
|
||||
struct ffa_mem_region *buf;
|
||||
u32 offset, nr_ranges, checked_offset;
|
||||
int ret = 0;
|
||||
size_t mem_region_len = FFA_MEM_REGION_SZ(hyp_ffa_version);
|
||||
|
||||
if (addr_mbz || npages_mbz || fraglen > len ||
|
||||
fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
|
||||
@@ -488,8 +489,7 @@ static void __do_ffa_mem_xfer(const u64 func_id,
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (fraglen < sizeof(struct ffa_mem_region) +
|
||||
sizeof(struct ffa_mem_region_attributes)) {
|
||||
if (fraglen < mem_region_len + ffa_emad_size_get(hyp_ffa_version)) {
|
||||
ret = FFA_RET_INVALID_PARAMETERS;
|
||||
goto out;
|
||||
}
|
||||
@@ -508,8 +508,13 @@ static void __do_ffa_mem_xfer(const u64 func_id,
|
||||
buf = hyp_buffers.tx;
|
||||
memcpy(buf, host_buffers.tx, fraglen);
|
||||
|
||||
ep_mem_access = (void *)buf +
|
||||
ffa_mem_desc_offset(buf, 0, hyp_ffa_version);
|
||||
em_mem_access_off = ffa_mem_desc_offset(buf, 0, hyp_ffa_version);
|
||||
if ((u64)em_mem_access_off + ffa_emad_size_get(hyp_ffa_version) > fraglen) {
|
||||
ret = FFA_RET_INVALID_PARAMETERS;
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
ep_mem_access = (void *)buf + em_mem_access_off;
|
||||
offset = ep_mem_access->composite_off;
|
||||
if (!offset || buf->ep_count != 1 || buf->sender_id != HOST_FFA_ID) {
|
||||
ret = FFA_RET_INVALID_PARAMETERS;
|
||||
@@ -574,9 +579,9 @@ static void do_ffa_mem_reclaim(struct arm_smccc_1_2_regs *res,
|
||||
DECLARE_REG(u32, handle_lo, ctxt, 1);
|
||||
DECLARE_REG(u32, handle_hi, ctxt, 2);
|
||||
DECLARE_REG(u32, flags, ctxt, 3);
|
||||
u32 offset, len, fraglen, fragoff, em_mem_access_off;
|
||||
struct ffa_mem_region_attributes *ep_mem_access;
|
||||
struct ffa_composite_mem_region *reg;
|
||||
u32 offset, len, fraglen, fragoff;
|
||||
struct ffa_mem_region *buf;
|
||||
int ret = 0;
|
||||
u64 handle;
|
||||
@@ -599,16 +604,22 @@ static void do_ffa_mem_reclaim(struct arm_smccc_1_2_regs *res,
|
||||
len = res->a1;
|
||||
fraglen = res->a2;
|
||||
|
||||
ep_mem_access = (void *)buf +
|
||||
ffa_mem_desc_offset(buf, 0, hyp_ffa_version);
|
||||
em_mem_access_off = ffa_mem_desc_offset(buf, 0, hyp_ffa_version);
|
||||
if ((u64)em_mem_access_off + ffa_emad_size_get(hyp_ffa_version) > fraglen) {
|
||||
ret = FFA_RET_INVALID_PARAMETERS;
|
||||
ffa_rx_release(res);
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
ep_mem_access = (void *)buf + em_mem_access_off;
|
||||
offset = ep_mem_access->composite_off;
|
||||
/*
|
||||
* We can trust the SPMD to get this right, but let's at least
|
||||
* check that we end up with something that doesn't look _completely_
|
||||
* bogus.
|
||||
*/
|
||||
if (WARN_ON(offset > len ||
|
||||
fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE)) {
|
||||
if (offset + CONSTITUENTS_OFFSET(0) > len ||
|
||||
fraglen > KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) {
|
||||
ret = FFA_RET_ABORTED;
|
||||
ffa_rx_release(res);
|
||||
goto out_unlock;
|
||||
@@ -636,11 +647,16 @@ static void do_ffa_mem_reclaim(struct arm_smccc_1_2_regs *res,
|
||||
ffa_rx_release(res);
|
||||
}
|
||||
|
||||
reg = (void *)buf + offset;
|
||||
if (offset + CONSTITUENTS_OFFSET(reg->addr_range_cnt) > len) {
|
||||
ret = FFA_RET_ABORTED;
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
ffa_mem_reclaim(res, handle_lo, handle_hi, flags);
|
||||
if (res->a0 != FFA_SUCCESS)
|
||||
goto out_unlock;
|
||||
|
||||
reg = (void *)buf + offset;
|
||||
/* If the SPMD was happy, then we should be too. */
|
||||
WARN_ON(ffa_host_unshare_ranges(reg->constituents,
|
||||
reg->addr_range_cnt));
|
||||
@@ -864,7 +880,7 @@ static void do_ffa_part_get(struct arm_smccc_1_2_regs *res,
|
||||
|
||||
bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
|
||||
{
|
||||
struct arm_smccc_1_2_regs res;
|
||||
struct arm_smccc_1_2_regs res = {0};
|
||||
|
||||
/*
|
||||
* There's no way we can tell what a non-standard SMC call might
|
||||
|
||||
@@ -1056,7 +1056,8 @@ static u64 __pkvm_memshare_page_req(struct kvm_vcpu *vcpu, u64 ipa)
|
||||
|
||||
/* Fake up a data abort (level 3 translation fault on write) */
|
||||
vcpu->arch.fault.esr_el2 = (ESR_ELx_EC_DABT_LOW << ESR_ELx_EC_SHIFT) |
|
||||
ESR_ELx_WNR | ESR_ELx_FSC_FAULT |
|
||||
ESR_ELx_IL | ESR_ELx_WNR |
|
||||
ESR_ELx_FSC_FAULT |
|
||||
FIELD_PREP(ESR_ELx_FSC_LEVEL, 3);
|
||||
|
||||
/* Shuffle the IPA around into the HPFAR */
|
||||
|
||||
@@ -268,6 +268,7 @@ static void inject_sync64(struct kvm_vcpu *vcpu, u64 esr)
|
||||
|
||||
write_sysreg_el1(esr, SYS_ESR);
|
||||
write_sysreg_el1(read_sysreg_el2(SYS_ELR), SYS_ELR);
|
||||
write_sysreg_el1(read_sysreg_el2(SYS_SPSR), SYS_SPSR);
|
||||
write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
|
||||
write_sysreg_el2(*vcpu_cpsr(vcpu), SYS_SPSR);
|
||||
}
|
||||
@@ -278,7 +279,7 @@ static void inject_sync64(struct kvm_vcpu *vcpu, u64 esr)
|
||||
*/
|
||||
static void inject_undef64(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
inject_sync64(vcpu, (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT));
|
||||
inject_sync64(vcpu, (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT) | ESR_ELx_IL);
|
||||
}
|
||||
|
||||
static u64 read_id_reg(const struct kvm_vcpu *vcpu,
|
||||
|
||||
@@ -1370,16 +1370,19 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr,
|
||||
if (prot & KVM_PGTABLE_PROT_W)
|
||||
set |= KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W;
|
||||
|
||||
ret = stage2_set_xn_attr(prot, &xn);
|
||||
if (ret)
|
||||
return ret;
|
||||
if (prot & KVM_PGTABLE_PROT_X) {
|
||||
ret = stage2_set_xn_attr(prot, &xn);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
set |= xn & KVM_PTE_LEAF_ATTR_HI_S2_XN;
|
||||
clr |= ~xn & KVM_PTE_LEAF_ATTR_HI_S2_XN;
|
||||
set |= xn & KVM_PTE_LEAF_ATTR_HI_S2_XN;
|
||||
clr |= ~xn & KVM_PTE_LEAF_ATTR_HI_S2_XN;
|
||||
}
|
||||
|
||||
ret = stage2_update_leaf_attrs(pgt, addr, 1, set, clr, NULL, &level, flags);
|
||||
if (!ret || ret == -EAGAIN)
|
||||
kvm_call_hyp(__kvm_tlb_flush_vmid_ipa_nsh, pgt->mmu, addr, level);
|
||||
kvm_call_hyp(__kvm_tlb_flush_vmid_ipa_nsh, pgt->mmu, addr,
|
||||
(ret == -EAGAIN) ? TLBI_TTL_UNKNOWN : level);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
@@ -138,11 +138,10 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr
|
||||
pend_sync_exception(vcpu);
|
||||
|
||||
/*
|
||||
* Build an {i,d}abort, depending on the level and the
|
||||
* instruction set. Report an external synchronous abort.
|
||||
* Build an {i,d}abort, depending on the level.
|
||||
* Report an external synchronous abort.
|
||||
*/
|
||||
if (kvm_vcpu_trap_il_is32bit(vcpu))
|
||||
esr |= ESR_ELx_IL;
|
||||
esr |= ESR_ELx_IL;
|
||||
|
||||
/*
|
||||
* Here, the guest runs in AArch64 mode when in EL1. If we get
|
||||
@@ -170,14 +169,7 @@ void kvm_inject_sync(struct kvm_vcpu *vcpu, u64 esr)
|
||||
|
||||
static void inject_undef64(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
u64 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
|
||||
|
||||
/*
|
||||
* Build an unknown exception, depending on the instruction
|
||||
* set.
|
||||
*/
|
||||
if (kvm_vcpu_trap_il_is32bit(vcpu))
|
||||
esr |= ESR_ELx_IL;
|
||||
u64 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT) | ESR_ELx_IL;
|
||||
|
||||
kvm_inject_sync(vcpu, esr);
|
||||
}
|
||||
@@ -389,7 +381,7 @@ int kvm_inject_serror_esr(struct kvm_vcpu *vcpu, u64 esr)
|
||||
*/
|
||||
if (!serror_is_masked(vcpu)) {
|
||||
pend_serror_exception(vcpu);
|
||||
esr |= FIELD_PREP(ESR_ELx_EC_MASK, ESR_ELx_EC_SERROR);
|
||||
esr |= FIELD_PREP(ESR_ELx_EC_MASK, ESR_ELx_EC_SERROR) | ESR_ELx_IL;
|
||||
vcpu_write_sys_reg(vcpu, esr, exception_esr_elx(vcpu));
|
||||
return 1;
|
||||
}
|
||||
|
||||
@@ -126,6 +126,10 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
|
||||
len = kvm_vcpu_dabt_get_as(vcpu);
|
||||
data = kvm_mmio_read_buf(run->mmio.data, len);
|
||||
|
||||
trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr,
|
||||
&data);
|
||||
data = vcpu_data_host_to_guest(vcpu, data, len);
|
||||
|
||||
if (kvm_vcpu_dabt_issext(vcpu) &&
|
||||
len < sizeof(unsigned long)) {
|
||||
mask = 1U << ((len * 8) - 1);
|
||||
@@ -135,9 +139,6 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
|
||||
if (!kvm_vcpu_dabt_issf(vcpu))
|
||||
data = data & 0xffffffff;
|
||||
|
||||
trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr,
|
||||
&data);
|
||||
data = vcpu_data_host_to_guest(vcpu, data, len);
|
||||
vcpu_set_reg(vcpu, kvm_vcpu_dabt_get_rd(vcpu), data);
|
||||
}
|
||||
|
||||
|
||||
@@ -24,6 +24,7 @@ struct vncr_tlb {
|
||||
struct s1_walk_result wr;
|
||||
|
||||
u64 hpa;
|
||||
bool hpa_writable;
|
||||
|
||||
/* -1 when not mapped on a CPU */
|
||||
int cpu;
|
||||
@@ -1401,15 +1402,19 @@ static int kvm_translate_vncr(struct kvm_vcpu *vcpu, bool *is_gmem)
|
||||
|
||||
gfn = vt->wr.pa >> PAGE_SHIFT;
|
||||
memslot = gfn_to_memslot(vcpu->kvm, gfn);
|
||||
if (!memslot)
|
||||
if (!memslot) {
|
||||
fail_s1_walk(&vt->wr, ESR_ELx_FSC_EXTABT, false);
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
*is_gmem = kvm_slot_has_gmem(memslot);
|
||||
if (!*is_gmem) {
|
||||
pfn = __kvm_faultin_pfn(memslot, gfn, write_fault ? FOLL_WRITE : 0,
|
||||
&writable, &page);
|
||||
if (is_error_noslot_pfn(pfn) || (write_fault && !writable))
|
||||
if (is_error_noslot_pfn(pfn)) {
|
||||
fail_s1_walk(&vt->wr, ESR_ELx_FSC_EXTABT, false);
|
||||
return -EFAULT;
|
||||
}
|
||||
} else {
|
||||
ret = kvm_gmem_get_pfn(vcpu->kvm, memslot, gfn, &pfn, &page, NULL);
|
||||
if (ret) {
|
||||
@@ -1417,6 +1422,19 @@ static int kvm_translate_vncr(struct kvm_vcpu *vcpu, bool *is_gmem)
|
||||
write_fault, false, false);
|
||||
return ret;
|
||||
}
|
||||
|
||||
writable = !(memslot->flags & KVM_MEM_READONLY);
|
||||
}
|
||||
|
||||
/*
|
||||
* FIXME: This check is too restrictive as KVM allows cacheable memory
|
||||
* attributes for PFNMAP VMAs that have cacheable attributes in host
|
||||
* stage-1.
|
||||
*/
|
||||
if (!pfn_is_map_memory(pfn)) {
|
||||
kvm_release_faultin_page(vcpu->kvm, page, true, false);
|
||||
fail_s1_walk(&vt->wr, ESR_ELx_FSC_EXTABT, false);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
scoped_guard(write_lock, &vcpu->kvm->mmu_lock) {
|
||||
@@ -1427,116 +1445,100 @@ static int kvm_translate_vncr(struct kvm_vcpu *vcpu, bool *is_gmem)
|
||||
|
||||
vt->gva = va;
|
||||
vt->hpa = pfn << PAGE_SHIFT;
|
||||
vt->hpa_writable = writable;
|
||||
vt->valid = true;
|
||||
vt->cpu = -1;
|
||||
|
||||
kvm_make_request(KVM_REQ_MAP_L1_VNCR_EL2, vcpu);
|
||||
kvm_release_faultin_page(vcpu->kvm, page, false, vt->wr.pw);
|
||||
kvm_release_faultin_page(vcpu->kvm, page, false, vt->wr.pw && vt->hpa_writable);
|
||||
}
|
||||
|
||||
if (vt->wr.pw)
|
||||
if (vt->wr.pw && vt->hpa_writable)
|
||||
mark_page_dirty(vcpu->kvm, gfn);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void inject_vncr_perm(struct kvm_vcpu *vcpu)
|
||||
static void handle_vncr_perm(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct vncr_tlb *vt = vcpu->arch.vncr_tlb;
|
||||
u64 esr = kvm_vcpu_get_esr(vcpu);
|
||||
u64 fsc;
|
||||
|
||||
/*
|
||||
* Promote to an external abort if the stage-1 permits writes but the
|
||||
* HPA is read-only (e.g. RO memslot).
|
||||
*/
|
||||
if (kvm_is_write_fault(vcpu) && vt->wr.pw && !vt->hpa_writable)
|
||||
fsc = ESR_ELx_FSC_EXTABT;
|
||||
/*
|
||||
* Otherwise, inject a permission fault using the guest's translation
|
||||
* level rather than the host's.
|
||||
*/
|
||||
else
|
||||
fsc = ESR_ELx_FSC_PERM_L(vt->wr.level);
|
||||
|
||||
/* Adjust the fault level to reflect that of the guest's */
|
||||
esr &= ~ESR_ELx_FSC;
|
||||
esr |= FIELD_PREP(ESR_ELx_FSC,
|
||||
ESR_ELx_FSC_PERM_L(vt->wr.level));
|
||||
esr |= FIELD_PREP(ESR_ELx_FSC, fsc);
|
||||
|
||||
kvm_inject_nested_sync(vcpu, esr);
|
||||
}
|
||||
|
||||
static bool kvm_vncr_tlb_lookup(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct vncr_tlb *vt = vcpu->arch.vncr_tlb;
|
||||
|
||||
lockdep_assert_held_read(&vcpu->kvm->mmu_lock);
|
||||
|
||||
if (!vt->valid)
|
||||
return false;
|
||||
|
||||
if (read_vncr_el2(vcpu) != vt->gva)
|
||||
return false;
|
||||
|
||||
if (vt->wr.nG)
|
||||
return get_asid_by_regime(vcpu, TR_EL20) == vt->wr.asid;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int kvm_handle_vncr_abort(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct vncr_tlb *vt = vcpu->arch.vncr_tlb;
|
||||
u64 esr = kvm_vcpu_get_esr(vcpu);
|
||||
bool is_gmem = false;
|
||||
bool perm;
|
||||
int ret;
|
||||
|
||||
WARN_ON_ONCE(!(esr & ESR_ELx_VNCR));
|
||||
|
||||
if (kvm_vcpu_abt_issea(vcpu))
|
||||
return kvm_handle_guest_sea(vcpu);
|
||||
|
||||
if (esr_fsc_is_permission_fault(esr)) {
|
||||
inject_vncr_perm(vcpu);
|
||||
} else if (esr_fsc_is_translation_fault(esr)) {
|
||||
bool valid, is_gmem = false;
|
||||
int ret;
|
||||
if (!esr_fsc_is_translation_fault(esr) && !esr_fsc_is_permission_fault(esr)) {
|
||||
KVM_BUG(1, vcpu->kvm, "Unhandled VNCR abort, ESR=%llx\n", esr);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
scoped_guard(read_lock, &vcpu->kvm->mmu_lock)
|
||||
valid = kvm_vncr_tlb_lookup(vcpu);
|
||||
ret = kvm_translate_vncr(vcpu, &is_gmem);
|
||||
switch (ret) {
|
||||
case -EAGAIN:
|
||||
/* Let's try again... */
|
||||
return 1;
|
||||
case -ENOMEM:
|
||||
/*
|
||||
* For guest_memfd, this indicates that it failed to
|
||||
* create a folio to back the memory. Inform userspace.
|
||||
*/
|
||||
if (is_gmem)
|
||||
return 0;
|
||||
/* Otherwise, let's try again... */
|
||||
break;
|
||||
case -EFAULT:
|
||||
case -EIO:
|
||||
case -EHWPOISON:
|
||||
if (is_gmem)
|
||||
return 0;
|
||||
fallthrough;
|
||||
case -EINVAL:
|
||||
case -ENOENT:
|
||||
case -EACCES:
|
||||
/*
|
||||
* Translation failed, inject the corresponding
|
||||
* exception back to EL2.
|
||||
*/
|
||||
esr &= ~ESR_ELx_FSC;
|
||||
esr |= FIELD_PREP(ESR_ELx_FSC, vt->wr.fst);
|
||||
|
||||
if (!valid)
|
||||
ret = kvm_translate_vncr(vcpu, &is_gmem);
|
||||
else
|
||||
ret = -EPERM;
|
||||
|
||||
switch (ret) {
|
||||
case -EAGAIN:
|
||||
/* Let's try again... */
|
||||
break;
|
||||
case -ENOMEM:
|
||||
/*
|
||||
* For guest_memfd, this indicates that it failed to
|
||||
* create a folio to back the memory. Inform userspace.
|
||||
*/
|
||||
if (is_gmem)
|
||||
return 0;
|
||||
/* Otherwise, let's try again... */
|
||||
break;
|
||||
case -EFAULT:
|
||||
case -EIO:
|
||||
case -EHWPOISON:
|
||||
if (is_gmem)
|
||||
return 0;
|
||||
fallthrough;
|
||||
case -EINVAL:
|
||||
case -ENOENT:
|
||||
case -EACCES:
|
||||
/*
|
||||
* Translation failed, inject the corresponding
|
||||
* exception back to EL2.
|
||||
*/
|
||||
BUG_ON(!vt->wr.failed);
|
||||
|
||||
esr &= ~ESR_ELx_FSC;
|
||||
esr |= FIELD_PREP(ESR_ELx_FSC, vt->wr.fst);
|
||||
|
||||
kvm_inject_nested_sync(vcpu, esr);
|
||||
break;
|
||||
case -EPERM:
|
||||
/* Hack to deal with POE until we get kernel support */
|
||||
inject_vncr_perm(vcpu);
|
||||
break;
|
||||
case 0:
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
WARN_ONCE(1, "Unhandled VNCR abort, ESR=%llx\n", esr);
|
||||
kvm_inject_nested_sync(vcpu, esr);
|
||||
break;
|
||||
case 0:
|
||||
perm = kvm_is_write_fault(vcpu) ? vt->wr.pw && vt->hpa_writable : vt->wr.pr;
|
||||
if (!perm)
|
||||
handle_vncr_perm(vcpu);
|
||||
break;
|
||||
}
|
||||
|
||||
return 1;
|
||||
@@ -1574,7 +1576,7 @@ static void kvm_map_l1_vncr(struct kvm_vcpu *vcpu)
|
||||
|
||||
vt->cpu = smp_processor_id();
|
||||
|
||||
if (vt->wr.pw && vt->wr.pr)
|
||||
if (vt->hpa_writable && vt->wr.pw && vt->wr.pr)
|
||||
prot = PAGE_KERNEL;
|
||||
else if (vt->wr.pr)
|
||||
prot = PAGE_KERNEL_RO;
|
||||
|
||||
@@ -352,7 +352,7 @@ static int __pkvm_pgtable_stage2_reclaim(struct kvm_pgtable *pgt, u64 start, u64
|
||||
page = pfn_to_page(mapping->pfn);
|
||||
WARN_ON_ONCE(mapping->nr_pages != 1);
|
||||
unpin_user_pages_dirty_lock(&page, 1, true);
|
||||
account_locked_vm(current->mm, 1, false);
|
||||
account_locked_vm(kvm->mm, 1, false);
|
||||
pkvm_mapping_remove(mapping, &pgt->pkvm_mappings);
|
||||
kfree(mapping);
|
||||
}
|
||||
|
||||
@@ -508,6 +508,8 @@ static struct vgic_its *__vgic_doorbell_to_its(struct kvm *kvm, gpa_t db)
|
||||
struct kvm_io_device *kvm_io_dev;
|
||||
struct vgic_io_device *iodev;
|
||||
|
||||
guard(srcu)(&kvm->srcu);
|
||||
|
||||
kvm_io_dev = kvm_io_bus_get_dev(kvm, KVM_MMIO_BUS, db);
|
||||
if (!kvm_io_dev)
|
||||
return ERR_PTR(-EINVAL);
|
||||
|
||||
@@ -203,6 +203,7 @@ void vgic_flush_pending_lpis(struct kvm_vcpu *vcpu)
|
||||
list_for_each_entry_safe(irq, tmp, &vgic_cpu->ap_list_head, ap_list) {
|
||||
if (irq_is_lpi(vcpu->kvm, irq->intid)) {
|
||||
raw_spin_lock(&irq->irq_lock);
|
||||
irq->pending_latch = false;
|
||||
list_del(&irq->ap_list);
|
||||
irq->vcpu = NULL;
|
||||
raw_spin_unlock(&irq->irq_lock);
|
||||
@@ -792,7 +793,11 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
|
||||
continue;
|
||||
}
|
||||
|
||||
/* This interrupt looks like it has to be migrated. */
|
||||
/*
|
||||
* This interrupt looks like it has to be migrated,
|
||||
* make sure it is kept alive while locks are dropped.
|
||||
*/
|
||||
vgic_get_irq_ref(irq);
|
||||
|
||||
raw_spin_unlock(&irq->irq_lock);
|
||||
raw_spin_unlock(&vgic_cpu->ap_list_lock);
|
||||
@@ -815,15 +820,16 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
|
||||
raw_spin_lock(&irq->irq_lock);
|
||||
|
||||
/*
|
||||
* If the affinity has been preserved, move the
|
||||
* interrupt around. Otherwise, it means things have
|
||||
* changed while the interrupt was unlocked, and we
|
||||
* need to replay this.
|
||||
* If the interrupt is still ours and its affinity has
|
||||
* been preserved, move it around. Otherwise, it means
|
||||
* things have changed while the interrupt was unlocked
|
||||
* (it may even have been taken off the list with its
|
||||
* affinity left untouched), and we need to replay this.
|
||||
*
|
||||
* In all cases, we cannot trust the list not to have
|
||||
* changed, so we restart from the beginning.
|
||||
*/
|
||||
if (target_vcpu == vgic_target_oracle(irq)) {
|
||||
if (irq->vcpu == vcpu && target_vcpu == vgic_target_oracle(irq)) {
|
||||
struct vgic_cpu *new_cpu = &target_vcpu->arch.vgic_cpu;
|
||||
|
||||
list_del(&irq->ap_list);
|
||||
@@ -836,6 +842,8 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
|
||||
raw_spin_unlock(&vcpuB->arch.vgic_cpu.ap_list_lock);
|
||||
raw_spin_unlock(&vcpuA->arch.vgic_cpu.ap_list_lock);
|
||||
|
||||
deleted_lpis |= vgic_put_irq_norelease(vcpu->kvm, irq);
|
||||
|
||||
if (target_vcpu_needs_kick) {
|
||||
kvm_make_request(KVM_REQ_IRQ_PENDING, target_vcpu);
|
||||
kvm_vcpu_kick(target_vcpu);
|
||||
|
||||
@@ -1515,7 +1515,13 @@ static void unmap_hotplug_pmd_range(pud_t *pudp, unsigned long addr,
|
||||
if (free_mapped) {
|
||||
/* CONT blocks are not supported in the vmemmap */
|
||||
WARN_ON(pmd_cont(pmd));
|
||||
flush_tlb_kernel_range(addr, addr + PMD_SIZE);
|
||||
/*
|
||||
* Invalidating a block entry requires just
|
||||
* a single overlapping TLB invalidation,
|
||||
* so limit the range of the flush to a single
|
||||
* page.
|
||||
*/
|
||||
flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
|
||||
free_hotplug_page_range(pmd_page(pmd),
|
||||
PMD_SIZE, altmap);
|
||||
}
|
||||
@@ -1545,7 +1551,8 @@ static void unmap_hotplug_pud_range(p4d_t *p4dp, unsigned long addr,
|
||||
if (pud_leaf(pud)) {
|
||||
pud_clear(pudp);
|
||||
if (free_mapped) {
|
||||
flush_tlb_kernel_range(addr, addr + PUD_SIZE);
|
||||
/* See comment in unmap_hotplug_pmd_range(). */
|
||||
flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
|
||||
free_hotplug_page_range(pud_page(pud),
|
||||
PUD_SIZE, altmap);
|
||||
}
|
||||
|
||||
@@ -1806,7 +1806,7 @@ Res0 15:8
|
||||
UnsignedEnum 7:4 BWE
|
||||
0b0000 NI
|
||||
0b0001 FEAT_BWE
|
||||
0b0002 FEAT_BWE2
|
||||
0b0010 FEAT_BWE2
|
||||
EndEnum
|
||||
UnsignedEnum 3:0 STEP
|
||||
0b0000 NI
|
||||
|
||||
@@ -79,7 +79,7 @@ static void __init m523x_i2c_init(void)
|
||||
static void __init m523x_fec_init(void)
|
||||
{
|
||||
/* Set multi-function pins to ethernet use */
|
||||
mcf_write8(read8(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C);
|
||||
mcf_write8(mcf_read8(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C);
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
@@ -113,11 +113,11 @@ void wildfiremod_halt(void)
|
||||
mcf_write16(read16(MCFGPIO_PEPAR) & ~(1 << (5 * 2)), MCFGPIO_PEPAR);
|
||||
|
||||
/* Make portE.5 an output */
|
||||
mcf_write8(read8(MCFGPIO_PDDR_E) | (1 << 5), MCFGPIO_PDDR_E);
|
||||
mcf_write8(mcf_read8(MCFGPIO_PDDR_E) | (1 << 5), MCFGPIO_PDDR_E);
|
||||
|
||||
/* Now toggle portE.5 from low to high */
|
||||
mcf_write8(read8(MCFGPIO_PODR_E) & ~(1 << 5), MCFGPIO_PODR_E);
|
||||
mcf_write8(read8(MCFGPIO_PODR_E) | (1 << 5), MCFGPIO_PODR_E);
|
||||
mcf_write8(mcf_read8(MCFGPIO_PODR_E) & ~(1 << 5), MCFGPIO_PODR_E);
|
||||
mcf_write8(mcf_read8(MCFGPIO_PODR_E) | (1 << 5), MCFGPIO_PODR_E);
|
||||
|
||||
printk(KERN_EMERG "Failed to hibernate. Halting!\n");
|
||||
}
|
||||
|
||||
@@ -86,7 +86,7 @@ CONFIG_DMA_JZ4780=y
|
||||
# CONFIG_INGENIC_TIMER is not set
|
||||
CONFIG_INGENIC_SYSOST=y
|
||||
# CONFIG_IOMMU_SUPPORT is not set
|
||||
CONFIG_JZ4770_PHY=y
|
||||
CONFIG_PHY_INGENIC_USB=y
|
||||
CONFIG_EXT4_FS=y
|
||||
# CONFIG_DNOTIFY is not set
|
||||
CONFIG_AUTOFS_FS=y
|
||||
|
||||
@@ -89,7 +89,7 @@ CONFIG_DMA_JZ4780=y
|
||||
# CONFIG_INGENIC_TIMER is not set
|
||||
CONFIG_INGENIC_SYSOST=y
|
||||
# CONFIG_IOMMU_SUPPORT is not set
|
||||
CONFIG_JZ4770_PHY=y
|
||||
CONFIG_PHY_INGENIC_USB=y
|
||||
CONFIG_EXT4_FS=y
|
||||
# CONFIG_DNOTIFY is not set
|
||||
CONFIG_AUTOFS_FS=y
|
||||
|
||||
@@ -99,7 +99,7 @@ CONFIG_USB_MUSB_HDRC=y
|
||||
CONFIG_USB_MUSB_GADGET=y
|
||||
CONFIG_USB_MUSB_JZ4740=y
|
||||
CONFIG_USB_INVENTRA_DMA=y
|
||||
CONFIG_JZ4770_PHY=y
|
||||
CONFIG_PHY_INGENIC_USB=y
|
||||
CONFIG_USB_GADGET=y
|
||||
CONFIG_USB_GADGET_VBUS_DRAW=500
|
||||
CONFIG_USB_ETH=y
|
||||
|
||||
@@ -38,6 +38,10 @@ static struct platform_device dec_rtc_device = {
|
||||
.num_resources = ARRAY_SIZE(dec_rtc_resources),
|
||||
};
|
||||
|
||||
static struct platform_device *dec_rtc_devices[] __initdata = {
|
||||
&dec_rtc_device,
|
||||
};
|
||||
|
||||
static struct resource dec_dz_resources[] = {
|
||||
{ .name = "dz", .flags = IORESOURCE_MEM, },
|
||||
{ .name = "dz", .flags = IORESOURCE_IRQ, },
|
||||
@@ -137,7 +141,7 @@ static int __init dec_add_devices(void)
|
||||
}
|
||||
num_zs = i;
|
||||
|
||||
ret1 = platform_device_register(&dec_rtc_device);
|
||||
ret1 = platform_add_devices(dec_rtc_devices, 1);
|
||||
ret2 = IS_ENABLED(CONFIG_32BIT) ?
|
||||
platform_add_devices(dec_dz_devices, num_dz) : 0;
|
||||
ret3 = platform_add_devices(dec_zs_devices, num_zs);
|
||||
|
||||
9
arch/mips/include/asm/irq_work.h
Normal file
9
arch/mips/include/asm/irq_work.h
Normal file
@@ -0,0 +1,9 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
|
||||
#ifndef _ASM_MIPS_IRQ_WORK_H
|
||||
#define _ASM_MIPS_IRQ_WORK_H
|
||||
static inline bool arch_irq_work_has_interrupt(void)
|
||||
{
|
||||
return IS_ENABLED(CONFIG_MACH_LOONGSON64) && IS_ENABLED(CONFIG_SMP);
|
||||
}
|
||||
#endif /* _ASM_MIPS_IRQ_WORK_H */
|
||||
@@ -50,6 +50,8 @@ extern int __cpu_logical_map[NR_CPUS];
|
||||
#define SMP_CALL_FUNCTION 0x2
|
||||
/* Octeon - Tell another core to flush its icache */
|
||||
#define SMP_ICACHE_FLUSH 0x4
|
||||
/* Loongson64 - Self IPI for IRQ work */
|
||||
#define SMP_IRQ_WORK 0x8
|
||||
|
||||
/* Mask of CPUs which are currently definitely operating coherently */
|
||||
extern cpumask_t cpu_coherent_mask;
|
||||
|
||||
@@ -381,6 +381,13 @@ loongson3_send_ipi_mask(const struct cpumask *mask, unsigned int action)
|
||||
ipi_write_action(cpu_logical_map(i), (u32)action);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_IRQ_WORK
|
||||
void arch_irq_work_raise(void)
|
||||
{
|
||||
loongson3_send_ipi_single(smp_processor_id(), SMP_IRQ_WORK);
|
||||
}
|
||||
#endif
|
||||
|
||||
static irqreturn_t loongson3_ipi_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
int cpu = smp_processor_id();
|
||||
@@ -397,6 +404,9 @@ static irqreturn_t loongson3_ipi_interrupt(int irq, void *dev_id)
|
||||
irq_exit();
|
||||
}
|
||||
|
||||
if (action & SMP_IRQ_WORK)
|
||||
irq_work_run();
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
|
||||
@@ -426,10 +426,11 @@ static inline void __init highmem_init(void)
|
||||
unsigned long tmp;
|
||||
|
||||
/*
|
||||
* If CPU cannot support HIGHMEM discard the memory above highstart_pfn
|
||||
* If CPU cannot support HIGHMEM discard any memory above highstart_pfn
|
||||
*/
|
||||
if (cpu_has_dc_aliases) {
|
||||
memblock_remove(PFN_PHYS(highstart_pfn), -1);
|
||||
if (highstart_pfn)
|
||||
memblock_remove(PFN_PHYS(highstart_pfn), -1);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
@@ -8,6 +8,7 @@
|
||||
|
||||
#include <asm/isa-rev.h>
|
||||
|
||||
#include <linux/build-salt.h>
|
||||
#include <linux/elfnote.h>
|
||||
#include <linux/version.h>
|
||||
|
||||
@@ -15,6 +16,8 @@ ELFNOTE_START(Linux, 0, "a")
|
||||
.long LINUX_VERSION_CODE
|
||||
ELFNOTE_END
|
||||
|
||||
BUILD_SALT
|
||||
|
||||
/*
|
||||
* The .MIPS.abiflags section must be defined with the FP ABI flags set
|
||||
* to 'any' to be able to link with both old and new libraries.
|
||||
|
||||
@@ -1,16 +0,0 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
#ifndef __ASM_POWERPC_PREEMPT_H
|
||||
#define __ASM_POWERPC_PREEMPT_H
|
||||
|
||||
#include <asm-generic/preempt.h>
|
||||
|
||||
#if defined(CONFIG_PREEMPT_DYNAMIC)
|
||||
#include <linux/jump_label.h>
|
||||
DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
|
||||
#define need_irq_preemption() \
|
||||
(static_branch_unlikely(&sk_dynamic_irqentry_exit_cond_resched))
|
||||
#else
|
||||
#define need_irq_preemption() (IS_ENABLED(CONFIG_PREEMPTION))
|
||||
#endif
|
||||
|
||||
#endif /* __ASM_POWERPC_PREEMPT_H */
|
||||
@@ -537,7 +537,7 @@ static inline void __user *mask_user_address(const void __user *ptr)
|
||||
|
||||
if (IS_ENABLED(CONFIG_PPC64))
|
||||
return mask_user_address_simple(ptr);
|
||||
if (IS_ENABLED(CONFIG_E500))
|
||||
if (IS_ENABLED(CONFIG_PPC_E500))
|
||||
return mask_user_address_isel(ptr);
|
||||
if (TASK_SIZE <= UL(SZ_2G) && border >= UL(SZ_2G))
|
||||
return mask_user_address_simple(ptr);
|
||||
|
||||
@@ -704,6 +704,15 @@ static void __init cpufeatures_setup_start(u32 isa)
|
||||
if (isa >= ISA_V3_1) {
|
||||
cur_cpu_spec->cpu_features |= CPU_FTR_ARCH_31;
|
||||
cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_ARCH_3_1;
|
||||
|
||||
/*
|
||||
* CPU_FTR_P11_PVR is a kernel-internal flag to identify
|
||||
* Power11 and later processors. While ISA v3.1 is supported
|
||||
* by Power10+, this flag specifically indicates Power11+
|
||||
* for code that needs to distinguish between P10 and P11.
|
||||
*/
|
||||
if (PVR_VER(mfspr(SPRN_PVR)) >= PVR_POWER11)
|
||||
cur_cpu_spec->cpu_features |= CPU_FTR_P11_PVR;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -377,7 +377,6 @@ void vtime_task_switch(struct task_struct *prev)
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_NO_HZ_COMMON
|
||||
/**
|
||||
* vtime_reset - Fast forward vtime entry clocks
|
||||
*
|
||||
@@ -394,6 +393,7 @@ void vtime_reset(void)
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_NO_HZ_COMMON
|
||||
/**
|
||||
* vtime_dyntick_start - Inform vtime about entry to idle-dynticks
|
||||
*
|
||||
@@ -933,6 +933,7 @@ static void __init set_decrementer_max(void)
|
||||
static void __init init_decrementer_clockevent(void)
|
||||
{
|
||||
register_decrementer_clockevent(smp_processor_id());
|
||||
vtime_reset();
|
||||
}
|
||||
|
||||
void secondary_cpu_time_init(void)
|
||||
@@ -948,6 +949,7 @@ void secondary_cpu_time_init(void)
|
||||
/* FIME: Should make unrelated change to move snapshot_timebase
|
||||
* call here ! */
|
||||
register_decrementer_clockevent(smp_processor_id());
|
||||
vtime_reset();
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@@ -46,7 +46,7 @@ int exit_vmx_usercopy(void)
|
||||
* set and we are preemptible. The hack here is to schedule a
|
||||
* decrementer to fire here and reschedule for us if necessary.
|
||||
*/
|
||||
if (need_irq_preemption() && need_resched())
|
||||
if (need_resched())
|
||||
set_dec(1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -42,6 +42,8 @@ static const struct of_device_id mpc85xx_common_ids[] __initconst = {
|
||||
{ .compatible = "fsl,qoriq-pcie-v2.3", },
|
||||
{ .compatible = "fsl,qoriq-pcie-v2.2", },
|
||||
{ .compatible = "fsl,fman", },
|
||||
/* IFC NAND and NOR controllers */
|
||||
{ .compatible = "fsl,ifc", },
|
||||
{},
|
||||
};
|
||||
|
||||
|
||||
@@ -268,10 +268,12 @@ static int spufs_mem_mmap_access(struct vm_area_struct *vma,
|
||||
|
||||
if (write && !(vma->vm_flags & VM_WRITE))
|
||||
return -EACCES;
|
||||
if (offset >= LS_SIZE)
|
||||
return -EFAULT;
|
||||
if (spu_acquire(ctx))
|
||||
return -EINTR;
|
||||
if ((offset + len) > vma->vm_end)
|
||||
len = vma->vm_end - offset;
|
||||
if ((offset + len) > LS_SIZE)
|
||||
len = LS_SIZE - offset;
|
||||
local_store = ctx->ops->get_ls(ctx);
|
||||
if (write)
|
||||
memcpy_toio(local_store + offset, buf, len);
|
||||
|
||||
@@ -154,6 +154,7 @@ config HV_PERF_CTRS
|
||||
config VPA_PMU
|
||||
tristate "VPA PMU events"
|
||||
depends on KVM_BOOK3S_64_HV && HV_PERF_CTRS
|
||||
default m
|
||||
help
|
||||
Enable access to the VPA PMU counters via perf. This enables
|
||||
code that support measurement for KVM on PowerVM(KoP) feature.
|
||||
|
||||
@@ -271,11 +271,9 @@ static int __init papr_init(void)
|
||||
esi_buf_size = ESI_HDR_SIZE + (CURR_MAX_ESI_ATTRS * max_esi_attrs);
|
||||
|
||||
temp_esi_buf = krealloc(esi_buf, esi_buf_size, GFP_KERNEL);
|
||||
if (temp_esi_buf)
|
||||
esi_buf = temp_esi_buf;
|
||||
else
|
||||
return -ENOMEM;
|
||||
|
||||
if (!temp_esi_buf)
|
||||
goto out_free_esi_buf;
|
||||
esi_buf = temp_esi_buf;
|
||||
goto retry;
|
||||
}
|
||||
|
||||
|
||||
@@ -454,7 +454,8 @@ config NR_CPUS
|
||||
range 2 32 if RISCV_SBI_V01 && 32BIT
|
||||
range 2 64 if RISCV_SBI_V01 && 64BIT
|
||||
default "32" if 32BIT
|
||||
default "64" if 64BIT
|
||||
default "64" if RISCV_SBI_V01 && 64BIT
|
||||
default "256" if !RISCV_SBI_V01 && 64BIT
|
||||
|
||||
config HOTPLUG_CPU
|
||||
bool "Support for hot-pluggable CPUs"
|
||||
|
||||
@@ -84,6 +84,12 @@ config ARCH_THEAD
|
||||
help
|
||||
This enables support for the RISC-V based T-HEAD SoCs.
|
||||
|
||||
config ARCH_ULTRARISC
|
||||
bool "UltraRISC RISC-V SoCs"
|
||||
help
|
||||
This enables support for UltraRISC SoC platform hardware,
|
||||
including boards based on the UR-DP1000.
|
||||
|
||||
config ARCH_VIRT
|
||||
bool "QEMU Virt Machine"
|
||||
select POWER_RESET
|
||||
|
||||
@@ -33,6 +33,7 @@ CONFIG_SOC_STARFIVE=y
|
||||
CONFIG_ARCH_SUNXI=y
|
||||
CONFIG_ARCH_TENSTORRENT=y
|
||||
CONFIG_ARCH_THEAD=y
|
||||
CONFIG_ARCH_ULTRARISC=y
|
||||
CONFIG_ARCH_VIRT=y
|
||||
CONFIG_ARCH_CANAAN=y
|
||||
CONFIG_SMP=y
|
||||
|
||||
@@ -501,8 +501,8 @@ void asm_offsets(void)
|
||||
OFFSET(SBI_HART_BOOT_STACK_PTR_OFFSET, sbi_hart_boot_data, stack_ptr);
|
||||
|
||||
DEFINE(STACKFRAME_SIZE_ON_STACK, ALIGN(sizeof(struct stackframe), STACK_ALIGN));
|
||||
OFFSET(STACKFRAME_FP, stackframe, fp);
|
||||
OFFSET(STACKFRAME_RA, stackframe, ra);
|
||||
DEFINE(STACKFRAME_FP, offsetof(struct stackframe, fp) - sizeof(struct stackframe));
|
||||
DEFINE(STACKFRAME_RA, offsetof(struct stackframe, ra) - sizeof(struct stackframe));
|
||||
#ifdef CONFIG_FUNCTION_TRACER
|
||||
DEFINE(FTRACE_OPS_FUNC, offsetof(struct ftrace_ops, func));
|
||||
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
|
||||
|
||||
@@ -386,8 +386,8 @@ SYM_CODE_END(ret_from_fork_user_asm)
|
||||
SYM_FUNC_START(call_on_irq_stack)
|
||||
/* Create a frame record to save ra and s0 (fp) */
|
||||
addi sp, sp, -STACKFRAME_SIZE_ON_STACK
|
||||
REG_S ra, STACKFRAME_RA(sp)
|
||||
REG_S s0, STACKFRAME_FP(sp)
|
||||
REG_S ra, (STACKFRAME_SIZE_ON_STACK + STACKFRAME_RA)(sp)
|
||||
REG_S s0, (STACKFRAME_SIZE_ON_STACK + STACKFRAME_FP)(sp)
|
||||
addi s0, sp, STACKFRAME_SIZE_ON_STACK
|
||||
|
||||
/* Switch to the per-CPU shadow call stack */
|
||||
@@ -405,8 +405,8 @@ SYM_FUNC_START(call_on_irq_stack)
|
||||
|
||||
/* Switch back to the thread stack and restore ra and s0 */
|
||||
addi sp, s0, -STACKFRAME_SIZE_ON_STACK
|
||||
REG_L ra, STACKFRAME_RA(sp)
|
||||
REG_L s0, STACKFRAME_FP(sp)
|
||||
REG_L ra, (STACKFRAME_SIZE_ON_STACK + STACKFRAME_RA)(sp)
|
||||
REG_L s0, (STACKFRAME_SIZE_ON_STACK + STACKFRAME_FP)(sp)
|
||||
addi sp, sp, STACKFRAME_SIZE_ON_STACK
|
||||
|
||||
ret
|
||||
|
||||
@@ -41,6 +41,9 @@ machine_kexec_prepare(struct kimage *image)
|
||||
if (image->segment[i].memsz <= sizeof(fdt))
|
||||
continue;
|
||||
|
||||
if (!image->segment[i].buf)
|
||||
continue;
|
||||
|
||||
if (image->file_mode)
|
||||
memcpy(&fdt, image->segment[i].buf, sizeof(fdt));
|
||||
else if (copy_from_user(&fdt, image->segment[i].buf, sizeof(fdt)))
|
||||
|
||||
@@ -41,6 +41,9 @@
|
||||
REG_S x29, PT_T4(sp)
|
||||
REG_S x30, PT_T5(sp)
|
||||
REG_S x31, PT_T6(sp)
|
||||
/* save original sp */
|
||||
addi a0, sp, PT_SIZE_ON_STACK
|
||||
REG_S a0, PT_SP(sp)
|
||||
.endm
|
||||
|
||||
.macro restore_all_base_regs
|
||||
|
||||
@@ -189,13 +189,12 @@ int arch_cpuhp_kick_ap_alive(unsigned int cpu, struct task_struct *tidle)
|
||||
#else
|
||||
int __cpu_up(unsigned int cpu, struct task_struct *tidle)
|
||||
{
|
||||
int ret = 0;
|
||||
int ret;
|
||||
tidle->thread_info.cpu = cpu;
|
||||
|
||||
ret = start_secondary_cpu(cpu, tidle);
|
||||
if (!ret) {
|
||||
wait_for_completion_timeout(&cpu_running,
|
||||
msecs_to_jiffies(1000));
|
||||
wait_for_completion_timeout(&cpu_running, secs_to_jiffies(1));
|
||||
|
||||
if (!cpu_online(cpu)) {
|
||||
pr_crit("CPU%u: failed to come online\n", cpu);
|
||||
|
||||
@@ -4,6 +4,7 @@
|
||||
* Here we can supply some information useful to userland.
|
||||
*/
|
||||
|
||||
#include <linux/build-salt.h>
|
||||
#include <linux/elfnote.h>
|
||||
#include <linux/version.h>
|
||||
#include <asm/assembler.h>
|
||||
@@ -12,4 +13,6 @@ ELFNOTE_START(Linux, 0, "a")
|
||||
.long LINUX_VERSION_CODE
|
||||
ELFNOTE_END
|
||||
|
||||
BUILD_SALT
|
||||
|
||||
emit_riscv_feature_1_and
|
||||
|
||||
@@ -190,17 +190,18 @@ static int memtop_get_stride_len(unsigned long *res)
|
||||
static int memtop_get_page_count(unsigned long *res, unsigned long level)
|
||||
{
|
||||
static unsigned long memtop_pages[DIAG310_LEVELMAX];
|
||||
unsigned long pages;
|
||||
unsigned long pages, idx;
|
||||
int rc;
|
||||
|
||||
if (level > DIAG310_LEVELMAX || level < DIAG310_LEVELMIN)
|
||||
return -EINVAL;
|
||||
pages = READ_ONCE(memtop_pages[level - 1]);
|
||||
idx = array_index_nospec(level - 1, ARRAY_SIZE(memtop_pages));
|
||||
pages = READ_ONCE(memtop_pages[idx]);
|
||||
if (!pages) {
|
||||
rc = diag310_get_memtop_size(&pages, level);
|
||||
if (rc)
|
||||
return rc;
|
||||
WRITE_ONCE(memtop_pages[level - 1], pages);
|
||||
WRITE_ONCE(memtop_pages[idx], pages);
|
||||
}
|
||||
*res = pages;
|
||||
return 0;
|
||||
|
||||
@@ -4,6 +4,7 @@
|
||||
* Here we can supply some information useful to userland.
|
||||
*/
|
||||
|
||||
#include <linux/build-salt.h>
|
||||
#include <linux/uts.h>
|
||||
#include <linux/version.h>
|
||||
#include <linux/elfnote.h>
|
||||
@@ -11,3 +12,5 @@
|
||||
ELFNOTE_START(Linux, 0, "a")
|
||||
.long LINUX_VERSION_CODE
|
||||
ELFNOTE_END
|
||||
|
||||
BUILD_SALT
|
||||
|
||||
@@ -570,6 +570,8 @@ static long dat_crste_walk_range(gfn_t start, gfn_t end, struct crst_table *tabl
|
||||
else if (walk->ops->pte_entry)
|
||||
rc = dat_pte_walk_range(max(start, cur), min(end, next),
|
||||
dereference_pmd(crste.pmd), walk);
|
||||
if (rc)
|
||||
break;
|
||||
}
|
||||
}
|
||||
return rc;
|
||||
|
||||
@@ -1374,8 +1374,13 @@ struct gmap *gmap_create_shadow(struct kvm_s390_mmu_cache *mc, struct gmap *pare
|
||||
/* Only allow one real-space gmap shadow. */
|
||||
list_for_each_entry(sg, &parent->children, list) {
|
||||
if (sg->guest_asce.r) {
|
||||
scoped_guard(write_lock, &parent->kvm->mmu_lock)
|
||||
if (write_trylock(&parent->kvm->mmu_lock)) {
|
||||
gmap_unshadow(sg);
|
||||
write_unlock(&parent->kvm->mmu_lock);
|
||||
} else {
|
||||
gmap_put(new);
|
||||
return ERR_PTR(-EAGAIN);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1280,8 +1280,10 @@ static int kvm_s390_vm_stop_migration(struct kvm *kvm)
|
||||
* PGSTEs might have cmma_d set.
|
||||
*/
|
||||
WRITE_ONCE(kvm->arch.migration_mode, 0);
|
||||
if (kvm->arch.use_cmma)
|
||||
kvm_s390_sync_request_broadcast(kvm, KVM_REQ_STOP_MIGRATION);
|
||||
if (!kvm->arch.use_cmma)
|
||||
return 0;
|
||||
|
||||
kvm_s390_sync_request_broadcast(kvm, KVM_REQ_STOP_MIGRATION);
|
||||
/* Clear cmma_d on all existing PGSTEs and set cmma_dirty_pages to 0. */
|
||||
gmap_set_cmma_all_clean(kvm->arch.gmap);
|
||||
atomic64_set(&kvm->arch.cmma_dirty_pages, 0);
|
||||
|
||||
@@ -300,9 +300,14 @@ static int kvm_s390_pci_aif_enable(struct zpci_dev *zdev, struct zpci_fib *fib,
|
||||
|
||||
gaite->gisc = fib->fmt0.isc;
|
||||
gaite->count++;
|
||||
gaite->aisbo = fib->fmt0.aisbo;
|
||||
gaite->aisb = virt_to_phys(page_address(aisb_page) + (fib->fmt0.aisb &
|
||||
~PAGE_MASK));
|
||||
if (fib->fmt0.sum == 1) {
|
||||
gaite->aisbo = fib->fmt0.aisbo;
|
||||
gaite->aisb = virt_to_phys(page_address(aisb_page) +
|
||||
(fib->fmt0.aisb & ~PAGE_MASK));
|
||||
} else {
|
||||
gaite->aisbo = 0;
|
||||
gaite->aisb = 0;
|
||||
}
|
||||
aift->kzdev[zdev->aisb] = zdev->kzdev;
|
||||
spin_unlock_irq(&aift->gait_lock);
|
||||
|
||||
@@ -328,6 +333,7 @@ static int kvm_s390_pci_aif_enable(struct zpci_dev *zdev, struct zpci_fib *fib,
|
||||
unpin1:
|
||||
unpin_user_page(aibv_page);
|
||||
out:
|
||||
kvm_s390_gisc_unregister(kvm, fib->fmt0.isc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
@@ -64,7 +64,7 @@ static inline unsigned long mmap_base(unsigned long rnd,
|
||||
return PAGE_ALIGN(STACK_TOP - gap - rnd);
|
||||
}
|
||||
|
||||
static int get_align_mask(struct file *filp, unsigned long flags)
|
||||
static unsigned long get_align_mask(struct file *filp, unsigned long flags)
|
||||
{
|
||||
if (filp && is_file_hugepages(filp))
|
||||
return huge_page_mask_align(filp);
|
||||
|
||||
@@ -259,13 +259,13 @@ void amd_brs_disable_all(void)
|
||||
amd_brs_disable();
|
||||
}
|
||||
|
||||
static bool amd_brs_match_plm(struct perf_event *event, u64 to)
|
||||
static bool amd_brs_match_plm(struct perf_event *event, u64 from, u64 to)
|
||||
{
|
||||
int type = event->attr.branch_sample_type;
|
||||
int plm_k = PERF_SAMPLE_BRANCH_KERNEL | PERF_SAMPLE_BRANCH_HV;
|
||||
int plm_u = PERF_SAMPLE_BRANCH_USER;
|
||||
|
||||
if (!(type & plm_k) && kernel_ip(to))
|
||||
if (!(type & plm_k) && (kernel_ip(to) || kernel_ip(from)))
|
||||
return 0;
|
||||
|
||||
if (!(type & plm_u) && !kernel_ip(to))
|
||||
@@ -338,11 +338,11 @@ void amd_brs_drain(void)
|
||||
*/
|
||||
to = (u64)(((s64)to << shift) >> shift);
|
||||
|
||||
if (!amd_brs_match_plm(event, to))
|
||||
continue;
|
||||
|
||||
rdmsrq(brs_from(brs_idx), from);
|
||||
|
||||
if (!amd_brs_match_plm(event, from, to))
|
||||
continue;
|
||||
|
||||
perf_clear_branch_entry_bitfields(br+nr);
|
||||
|
||||
br[nr].from = from;
|
||||
|
||||
@@ -754,13 +754,11 @@ static void amd_pmu_enable_event(struct perf_event *event)
|
||||
x86_pmu_enable_event(event);
|
||||
}
|
||||
|
||||
static void amd_pmu_enable_all(int added)
|
||||
static void __amd_pmu_enable_all(void)
|
||||
{
|
||||
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
|
||||
int idx;
|
||||
|
||||
amd_brs_enable_all();
|
||||
|
||||
for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) {
|
||||
/* only activate events which are marked as active */
|
||||
if (!test_bit(idx, cpuc->active_mask))
|
||||
@@ -775,6 +773,12 @@ static void amd_pmu_enable_all(int added)
|
||||
}
|
||||
}
|
||||
|
||||
static void amd_pmu_enable_all(int added)
|
||||
{
|
||||
amd_brs_enable_all();
|
||||
__amd_pmu_enable_all();
|
||||
}
|
||||
|
||||
static void amd_pmu_v2_enable_event(struct perf_event *event)
|
||||
{
|
||||
struct hw_perf_event *hwc = &event->hw;
|
||||
@@ -1561,7 +1565,7 @@ static inline void amd_pmu_reload_virt(void)
|
||||
* set global enable bits once again
|
||||
*/
|
||||
amd_pmu_v2_disable_all();
|
||||
amd_pmu_enable_all(0);
|
||||
__amd_pmu_enable_all();
|
||||
amd_pmu_v2_enable_all(0);
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -127,7 +127,8 @@ static void amd_pmu_lbr_filter(void)
|
||||
}
|
||||
|
||||
/* If type does not correspond, then discard */
|
||||
if (type == X86_BR_NONE || (br_sel & type) != type) {
|
||||
if (type == X86_BR_NONE || (br_sel & type) != type ||
|
||||
(!(br_sel & X86_BR_KERNEL) && kernel_ip(cpuc->lbr_entries[i].from))) {
|
||||
cpuc->lbr_entries[i].from = 0; /* mark invalid */
|
||||
compress = true;
|
||||
}
|
||||
|
||||
@@ -259,6 +259,11 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_domain_hdr *hdr,
|
||||
if (!domain_header_is_valid(hdr, RESCTRL_MON_DOMAIN, RDT_RESOURCE_L3))
|
||||
return -EINVAL;
|
||||
|
||||
if (cpumask_empty(&hdr->cpu_mask)) {
|
||||
pr_warn_once("Domain %d has no CPUs\n", hdr->id);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
d = container_of(hdr, struct rdt_l3_mon_domain, hdr);
|
||||
hw_dom = resctrl_to_arch_mon_dom(d);
|
||||
cpu = cpumask_any(&hdr->cpu_mask);
|
||||
|
||||
@@ -761,9 +761,9 @@ void arch_uprobe_clear_state(struct mm_struct *mm)
|
||||
destroy_uprobe_trampoline(tramp);
|
||||
}
|
||||
|
||||
static bool __in_uprobe_trampoline(unsigned long ip)
|
||||
static bool __in_uprobe_trampoline(struct mm_struct *mm, unsigned long ip)
|
||||
{
|
||||
struct vm_area_struct *vma = vma_lookup(current->mm, ip);
|
||||
struct vm_area_struct *vma = vma_lookup(mm, ip);
|
||||
|
||||
return vma && vma_is_special_mapping(vma, &tramp_mapping);
|
||||
}
|
||||
@@ -776,14 +776,14 @@ static bool in_uprobe_trampoline(unsigned long ip)
|
||||
|
||||
rcu_read_lock();
|
||||
if (mmap_lock_speculate_try_begin(mm, &seq)) {
|
||||
found = __in_uprobe_trampoline(ip);
|
||||
found = __in_uprobe_trampoline(mm, ip);
|
||||
retry = mmap_lock_speculate_retry(mm, seq);
|
||||
}
|
||||
rcu_read_unlock();
|
||||
|
||||
if (retry) {
|
||||
mmap_read_lock(mm);
|
||||
found = __in_uprobe_trampoline(ip);
|
||||
found = __in_uprobe_trampoline(mm, ip);
|
||||
mmap_read_unlock(mm);
|
||||
}
|
||||
return found;
|
||||
@@ -1044,7 +1044,7 @@ static int copy_from_vaddr(struct mm_struct *mm, unsigned long vaddr, void *dst,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static bool __is_optimized(uprobe_opcode_t *insn, unsigned long vaddr)
|
||||
static bool __is_optimized(struct mm_struct *mm, uprobe_opcode_t *insn, unsigned long vaddr)
|
||||
{
|
||||
struct __packed __arch_relative_insn {
|
||||
u8 op;
|
||||
@@ -1053,7 +1053,7 @@ static bool __is_optimized(uprobe_opcode_t *insn, unsigned long vaddr)
|
||||
|
||||
if (!is_call_insn(insn))
|
||||
return false;
|
||||
return __in_uprobe_trampoline(vaddr + 5 + call->raddr);
|
||||
return __in_uprobe_trampoline(mm, vaddr + 5 + call->raddr);
|
||||
}
|
||||
|
||||
static int is_optimized(struct mm_struct *mm, unsigned long vaddr)
|
||||
@@ -1064,7 +1064,7 @@ static int is_optimized(struct mm_struct *mm, unsigned long vaddr)
|
||||
err = copy_from_vaddr(mm, vaddr, &insn, 5);
|
||||
if (err)
|
||||
return err;
|
||||
return __is_optimized((uprobe_opcode_t *)&insn, vaddr);
|
||||
return __is_optimized(mm, (uprobe_opcode_t *)&insn, vaddr);
|
||||
}
|
||||
|
||||
static bool should_optimize(struct arch_uprobe *auprobe)
|
||||
@@ -1246,9 +1246,15 @@ static int default_post_xol_op(struct arch_uprobe *auprobe, struct pt_regs *regs
|
||||
long correction = utask->vaddr - utask->xol_vaddr;
|
||||
regs->ip += correction;
|
||||
} else if (auprobe->defparam.fixups & UPROBE_FIX_CALL) {
|
||||
unsigned long retaddr = utask->vaddr + auprobe->defparam.ilen;
|
||||
int err;
|
||||
|
||||
regs->sp += sizeof_long(regs); /* Pop incorrect return address */
|
||||
if (emulate_push_stack(regs, utask->vaddr + auprobe->defparam.ilen))
|
||||
if (emulate_push_stack(regs, retaddr))
|
||||
return -ERESTART;
|
||||
err = shstk_update_last_frame(retaddr);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
/* popf; tell the caller to not touch TF */
|
||||
if (auprobe->defparam.fixups & UPROBE_FIX_SETF)
|
||||
@@ -1338,6 +1344,10 @@ static bool branch_emulate_op(struct arch_uprobe *auprobe, struct pt_regs *regs)
|
||||
*/
|
||||
if (emulate_push_stack(regs, new_ip))
|
||||
return false;
|
||||
if (shstk_push(new_ip) == -EFAULT) {
|
||||
regs->sp += sizeof_long(regs);
|
||||
return false;
|
||||
}
|
||||
} else if (!check_jmp_cond(auprobe, regs)) {
|
||||
offs = 0;
|
||||
}
|
||||
|
||||
@@ -488,8 +488,10 @@ int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *cons,
|
||||
|
||||
if (irqfd->irq_entry.type == KVM_IRQ_ROUTING_MSI) {
|
||||
ret = kvm_pi_update_irte(irqfd, &irqfd->irq_entry);
|
||||
if (ret)
|
||||
if (ret) {
|
||||
kvm->arch.nr_possible_bypass_irqs--;
|
||||
irqfd->producer = NULL;
|
||||
}
|
||||
}
|
||||
spin_unlock_irq(&kvm->irqfds.lock);
|
||||
|
||||
|
||||
@@ -3371,6 +3371,12 @@ static void apic_sync_pv_eoi_from_guest(struct kvm_vcpu *vcpu,
|
||||
struct kvm_lapic *apic)
|
||||
{
|
||||
int vector;
|
||||
|
||||
if (unlikely(!pv_eoi_enabled(vcpu))) {
|
||||
__clear_bit(KVM_APIC_PV_EOI_PENDING, &vcpu->arch.apic_attention);
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* PV EOI state is derived from KVM_APIC_PV_EOI_PENDING in host
|
||||
* and KVM_PV_EOI_ENABLED in guest memory as follows:
|
||||
@@ -3382,8 +3388,6 @@ static void apic_sync_pv_eoi_from_guest(struct kvm_vcpu *vcpu,
|
||||
* KVM_APIC_PV_EOI_PENDING is set, KVM_PV_EOI_ENABLED is unset:
|
||||
* -> host enabled PV EOI, guest executed EOI.
|
||||
*/
|
||||
BUG_ON(!pv_eoi_enabled(vcpu));
|
||||
|
||||
if (pv_eoi_test_and_clr_pending(vcpu))
|
||||
return;
|
||||
vector = apic_set_eoi(apic);
|
||||
|
||||
@@ -2129,8 +2129,9 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd)
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* Do not allow SNP VM migration until additional state transfer is implemented */
|
||||
if (kvm->arch.vm_type != source_kvm->arch.vm_type ||
|
||||
sev_guest(kvm) || !sev_guest(source_kvm)) {
|
||||
sev_guest(kvm) || !sev_guest(source_kvm) || sev_snp_guest(source_kvm)) {
|
||||
ret = -EINVAL;
|
||||
goto out_unlock;
|
||||
}
|
||||
@@ -2851,8 +2852,9 @@ int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd)
|
||||
* disallow out-of-band SEV/SEV-ES init if the target is already an
|
||||
* SEV guest, or if vCPUs have been created. KVM relies on vCPUs being
|
||||
* created after SEV/SEV-ES initialization, e.g. to init intercepts.
|
||||
* Also do not allow SNP VM mirroring until additional state transfer is implemented.
|
||||
*/
|
||||
if (sev_guest(kvm) || !sev_guest(source_kvm) ||
|
||||
if (sev_guest(kvm) || !sev_guest(source_kvm) || sev_snp_guest(source_kvm) ||
|
||||
is_mirroring_enc_context(source_kvm) || kvm->created_vcpus) {
|
||||
ret = -EINVAL;
|
||||
goto e_unlock;
|
||||
|
||||
@@ -571,7 +571,12 @@ static int svm_enable_virtualization_cpu(void)
|
||||
return r;
|
||||
|
||||
sd = per_cpu_ptr(&svm_data, me);
|
||||
sd->asid_generation = 1;
|
||||
/*
|
||||
* Bump the current asid_generation value to ensure any vCPU that
|
||||
* previously ran on this CPU sees a stale generation and is forced
|
||||
* to acquire a new ASID, preventing a latent ASID collision.
|
||||
*/
|
||||
sd->asid_generation++;
|
||||
sd->max_asid = cpuid_ebx(SVM_CPUID_FUNC) - 1;
|
||||
sd->next_asid = sd->max_asid + 1;
|
||||
sd->min_asid = max_sev_asid + 1;
|
||||
|
||||
@@ -490,7 +490,7 @@ TRACE_EVENT(kvm_inj_exception,
|
||||
TP_printk("%s%s%s%s%s",
|
||||
__print_symbolic(__entry->exception, kvm_trace_sym_exc),
|
||||
!__entry->has_error ? "" : " (",
|
||||
!__entry->has_error ? "" : __print_symbolic(__entry->error_code, { }),
|
||||
!__entry->has_error ? "" : __print_symbolic(__entry->error_code),
|
||||
!__entry->has_error ? "" : ")",
|
||||
__entry->reinjected ? " [reinjected]" : "")
|
||||
);
|
||||
|
||||
@@ -582,6 +582,9 @@ static int nested_vmx_check_msr_bitmap_controls(struct kvm_vcpu *vcpu,
|
||||
static int nested_vmx_check_tpr_shadow_controls(struct kvm_vcpu *vcpu,
|
||||
struct vmcs12 *vmcs12)
|
||||
{
|
||||
gpa_t vtpr_gpa = vmcs12->virtual_apic_page_addr + APIC_TASKPRI;
|
||||
u32 vtpr;
|
||||
|
||||
if (!nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW))
|
||||
return 0;
|
||||
|
||||
@@ -591,6 +594,32 @@ static int nested_vmx_check_tpr_shadow_controls(struct kvm_vcpu *vcpu,
|
||||
if (CC(!nested_cpu_has_vid(vmcs12) && vmcs12->tpr_threshold >> 4))
|
||||
return -EINVAL;
|
||||
|
||||
/*
|
||||
* Do the illegal vTPR vs. TPR Threshold consistency check if and only
|
||||
* if KVM is configured to WARN on missed consistency checks, otherwise
|
||||
* it's a waste of time. KVM needs to rely on hardware to fully detect
|
||||
* an illegal combination due to the vTPR being writable by L1 at all
|
||||
* times (it's an in-memory value, not a VMCS field). I.e. even if the
|
||||
* check passes now, it might fail at the actual VM-Enter.
|
||||
*
|
||||
* If reading guest memory fails, skip the check as KVM's de facto ABI
|
||||
* for VMX instruction accesses to non-existent memory is to provide
|
||||
* PCI Bus Error semantics (reads return 0xFFs), in which case the vTPR
|
||||
* is guaranteed to greater than or equal to the threshold.
|
||||
*
|
||||
* Note! Deliberately use the VM-scoped API when reading guest memory,
|
||||
* to ensure the read doesn't hit SMRAM when restoring L2 state on RSM,
|
||||
* and only perform the check when in KVM_RUN, to avoid a false failure
|
||||
* if userspace hasn't yet configured memslots during state restore.
|
||||
*/
|
||||
if (warn_on_missed_cc && vcpu->wants_to_run &&
|
||||
nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW) &&
|
||||
!nested_cpu_has_vid(vmcs12) &&
|
||||
!nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES) &&
|
||||
!kvm_read_guest(vcpu->kvm, vtpr_gpa, &vtpr, sizeof(vtpr)) &&
|
||||
CC((vmcs12->tpr_threshold & GENMASK(3, 0)) > ((vtpr >> 4) & GENMASK(3, 0))))
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -3104,38 +3133,6 @@ static int nested_vmx_check_controls(struct kvm_vcpu *vcpu,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nested_vmx_check_controls_late(struct kvm_vcpu *vcpu,
|
||||
struct vmcs12 *vmcs12)
|
||||
{
|
||||
void *vapic = to_vmx(vcpu)->nested.virtual_apic_map.hva;
|
||||
u32 vtpr = vapic ? (*(u32 *)(vapic + APIC_TASKPRI)) >> 4 : 0;
|
||||
|
||||
/*
|
||||
* Don't bother with the consistency checks if KVM isn't configured to
|
||||
* WARN on missed consistency checks, as KVM needs to rely on hardware
|
||||
* to fully detect an illegal vTPR vs. TRP Threshold combination due to
|
||||
* the vTPR being writable by L1 at all times (it's an in-memory value,
|
||||
* not a VMCS field). I.e. even if the check passes now, it might fail
|
||||
* at the actual VM-Enter.
|
||||
*
|
||||
* Keying off the module param also allows treating an invalid vAPIC
|
||||
* mapping as a consistency check failure without increasing the risk
|
||||
* of breaking a "real" VM.
|
||||
*/
|
||||
if (!warn_on_missed_cc)
|
||||
return 0;
|
||||
|
||||
if ((exec_controls_get(to_vmx(vcpu)) & CPU_BASED_TPR_SHADOW) &&
|
||||
nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW) &&
|
||||
!nested_cpu_has_vid(vmcs12) &&
|
||||
!nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES) &&
|
||||
(CC(!vapic) ||
|
||||
CC((vmcs12->tpr_threshold & GENMASK(3, 0)) > (vtpr & GENMASK(3, 0)))))
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nested_vmx_check_address_space_size(struct kvm_vcpu *vcpu,
|
||||
struct vmcs12 *vmcs12)
|
||||
{
|
||||
@@ -3661,19 +3658,14 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
|
||||
&vmx->nested.pre_vmenter_ssp_tbl);
|
||||
|
||||
/*
|
||||
* Overwrite vmcs01.GUEST_CR3 with L1's CR3 if EPT is disabled. In the
|
||||
* event of a "late" VM-Fail, i.e. a VM-Fail detected by hardware but
|
||||
* not KVM, KVM must unwind its software model to the pre-VM-Entry host
|
||||
* state. When EPT is disabled, GUEST_CR3 holds KVM's shadow CR3, not
|
||||
* L1's "real" CR3, which causes nested_vmx_restore_host_state() to
|
||||
* corrupt vcpu->arch.cr3. Stuffing vmcs01.GUEST_CR3 results in the
|
||||
* unwind naturally setting arch.cr3 to the correct value. Smashing
|
||||
* vmcs01.GUEST_CR3 is safe because nested VM-Exits, and the unwind,
|
||||
* reset KVM's MMU, i.e. vmcs01.GUEST_CR3 is guaranteed to be
|
||||
* overwritten with a shadow CR3 prior to re-entering L1.
|
||||
* Stash L1's CR3, so that in the event of a "late" VM-Fail, i.e. a
|
||||
* VM-Fail detected by hardware but not KVM, KVM can unwind its
|
||||
* software model to the pre-VM-Entry host state. When EPT is
|
||||
* disabled, GUEST_CR3 holds KVM's shadow CR3, not L1's "real" CR3,
|
||||
* and so simply restoring from vmcs01.GUEST_CR3 would corrupt
|
||||
* vcpu->arch.cr3.
|
||||
*/
|
||||
if (!enable_ept)
|
||||
vmcs_writel(GUEST_CR3, vcpu->arch.cr3);
|
||||
vmx->nested.pre_vmenter_cr3 = kvm_read_cr3(vcpu);
|
||||
|
||||
vmx_switch_vmcs(vcpu, &vmx->nested.vmcs02);
|
||||
|
||||
@@ -3685,11 +3677,6 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
|
||||
return NVMX_VMENTRY_KVM_INTERNAL_ERROR;
|
||||
}
|
||||
|
||||
if (nested_vmx_check_controls_late(vcpu, vmcs12)) {
|
||||
vmx_switch_vmcs(vcpu, &vmx->vmcs01);
|
||||
return NVMX_VMENTRY_VMFAIL;
|
||||
}
|
||||
|
||||
if (nested_vmx_check_guest_state(vcpu, vmcs12,
|
||||
&entry_failure_code)) {
|
||||
exit_reason.basic = EXIT_REASON_INVALID_STATE;
|
||||
@@ -3774,6 +3761,8 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
|
||||
if (!from_vmentry)
|
||||
return NVMX_VMENTRY_VMEXIT;
|
||||
|
||||
nested_put_vmcs12_pages(vcpu);
|
||||
|
||||
load_vmcs12_host_state(vcpu, vmcs12);
|
||||
vmcs12->vm_exit_reason = exit_reason.full;
|
||||
if (enable_shadow_vmcs || nested_vmx_is_evmptr12_valid(vmx))
|
||||
@@ -4990,7 +4979,7 @@ static void nested_vmx_restore_host_state(struct kvm_vcpu *vcpu)
|
||||
vmx_set_cr4(vcpu, vmcs_readl(CR4_READ_SHADOW));
|
||||
|
||||
nested_ept_uninit_mmu_context(vcpu);
|
||||
vcpu->arch.cr3 = vmcs_readl(GUEST_CR3);
|
||||
vcpu->arch.cr3 = vmx->nested.pre_vmenter_cr3;
|
||||
kvm_register_mark_available(vcpu, VCPU_REG_CR3);
|
||||
|
||||
/*
|
||||
|
||||
@@ -2797,7 +2797,11 @@ static int tdx_td_init(struct kvm *kvm, struct kvm_tdx_cmd *cmd)
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (init_vm->cpuid.padding) {
|
||||
/*
|
||||
* Reject the request if userspace changes cpuid.nent between the
|
||||
* initial read and the subsequent copy.
|
||||
*/
|
||||
if (init_vm->cpuid.padding || init_vm->cpuid.nent != nr_user_entries) {
|
||||
ret = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user