Commit Graph

1013987 Commits

Author SHA1 Message Date
Andy Shevchenko
bc1eca606d platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
The intel_punit_ipc driver might be compiled as a module.
When udev handles the event of the devices appearing
the intel_punit_ipc module is missing.

Append MODULE_DEVICE_TABLE for ACPI case to fix the loading issue.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210519101521.79338-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:59:47 +02:00
Hans de Goede
3a53587423 platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios
init_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems
where the Dell WMI interface is supported. While exit_dell_smbios_wmi()
unregisters it unconditionally, this leads to the following oops:

[  175.722921] ------------[ cut here ]------------
[  175.722925] Unexpected driver unregister!
[  175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 driver_unregister+0x38/0x40
...
[  175.723089] Call Trace:
[  175.723094]  cleanup_module+0x5/0xedd [dell_smbios]
...
[  175.723148] ---[ end trace 064c34e1ad49509d ]---

Make the unregister happen on the same condition the register happens
to fix this.

Cc: Mario Limonciello <mario.limonciello@outlook.com>
Fixes: 1a258e6704 ("platform/x86: dell-smbios-wmi: Add new WMI dispatcher driver")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mario Limonciello <mario.limonciello@outlook.com>
Reviewed-by: Mark Gross <mgross@linux.intel.com>
Link: https://lore.kernel.org/r/20210518125027.21824-1-hdegoede@redhat.com
2021-05-19 15:59:47 +02:00
Shyam Sundar S K
f048630bdd platform/x86: hp-wireless: add AMD's hardware id to the supported list
Newer AMD based laptops uses AMDI0051 as the hardware id to support the
airplane mode button. Adding this to the supported list.

Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20210514180047.1697543-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:59:47 +02:00
Hans de Goede
b68e182a30 platform/x86: intel_int0002_vgpio: Only call enable_irq_wake() when using s2idle
Commit 871f1f2bcb ("platform/x86: intel_int0002_vgpio: Only implement
irq_set_wake on Bay Trail") stopped passing irq_set_wake requests on to
the parents IRQ because this was breaking suspend (causing immediate
wakeups) on an Asus E202SA.

This workaround for the Asus E202SA is causing wakeup by USB keyboard to
not work on other devices with Airmont CPU cores such as the Medion Akoya
E1239T. In hindsight the problem with the Asus E202SA has nothing to do
with Silvermont vs Airmont CPU cores, so the differentiation between the
2 types of CPU cores introduced by the previous fix is wrong.

The real issue at hand is s2idle vs S3 suspend where the suspend is
mostly handled by firmware. The parent IRQ for the INT0002 device is shared
with the ACPI SCI and the real problem is that the INT0002 code should not
be messing with the wakeup settings of that IRQ when suspend/resume is
being handled by the firmware.

Note that on systems which support both s2idle and S3 suspend, which
suspend method to use can be changed at runtime.

This patch fixes both the Asus E202SA spurious wakeups issue as well as
the wakeup by USB keyboard not working on the Medion Akoya E1239T issue.

These are both fixed by replacing the old workaround with delaying the
enable_irq_wake(parent_irq) call till system-suspend time and protecting
it with a !pm_suspend_via_firmware() check so that we still do not call
it on devices using firmware-based (S3) suspend such as the Asus E202SA.

Note rather then adding #ifdef CONFIG_PM_SLEEP, this commit simply adds
a "depends on PM_SLEEP" to the Kconfig since this drivers whole purpose
is to deal with wakeup events, so using it without CONFIG_PM_SLEEP makes
no sense.

Cc: Maxim Mikityanskiy <maxtram95@gmail.com>
Fixes: 871f1f2bcb ("platform/x86: intel_int0002_vgpio: Only implement irq_set_wake on Bay Trail")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20210512125523.55215-2-hdegoede@redhat.com
2021-05-19 15:59:47 +02:00
Thomas Weißschuh
dac282def6 platform/x86: gigabyte-wmi: add support for B550 Aorus Elite
Reported as working here:
https://github.com/t-8ch/linux-gigabyte-wmi-driver/issues/1#issuecomment-837210304

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20210510221545.412522-3-linux@weissschuh.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:59:47 +02:00
Thomas Weißschuh
8605d64f48 platform/x86: gigabyte-wmi: add support for X570 UD
Reported as working here:
https://github.com/t-8ch/linux-gigabyte-wmi-driver/issues/4

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20210510221545.412522-2-linux@weissschuh.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:59:46 +02:00
Thomas Weißschuh
86bf2b8ffe platform/x86: gigabyte-wmi: streamline dmi matching
Streamline dmi matching.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20210510221545.412522-1-linux@weissschuh.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:59:39 +02:00
Liming Sun
1c0e5701c5 platform/mellanox: mlxbf-tmfifo: Fix a memory barrier issue
The virtio framework uses wmb() when updating avail->idx. It
guarantees the write order, but not necessarily loading order
for the code accessing the memory. This commit adds a load barrier
after reading the avail->idx to make sure all the data in the
descriptor is visible. It also adds a barrier when returning the
packet to virtio framework to make sure read/writes are visible to
the virtio code.

Fixes: 1357dfd726 ("platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc")
Signed-off-by: Liming Sun <limings@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/1620433812-17911-1-git-send-email-limings@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Maximilian Luz
9795d8232a platform/surface: dtx: Fix poll function
The poll function should not return -ERESTARTSYS.

Furthermore, locking in this function is completely unnecessary. The
ddev->lock protects access to the main device and controller (ddev->dev
and ddev->ctrl), ensuring that both are and remain valid while being
accessed by clients. Both are, however, never accessed in the poll
function. The shutdown test (via atomic bit flags) be safely done
without locking, so drop locking here entirely.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 1d60999283 ("platform/surface: Add DTX driver)
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210513134437.2431022-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Maximilian Luz
773fe1d744 platform/surface: aggregator: Add platform-drivers-x86 list to MAINTAINERS entry
The Surface System Aggregator Module driver entry is currently missing a
mailing list. Surface platform drivers are discussed on the
platform-driver-x86 list and all other Surface platform drivers have a
reference to that list in their entries. So let's add one here as well.

Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210514221954.5976-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Arnd Bergmann
ba6e1d8422 platform/surface: aggregator: avoid clang -Wconstant-conversion warning
Clang complains about the assignment of SSAM_ANY_IID to
ssam_device_uid->instance:

drivers/platform/surface/surface_aggregator_registry.c:478:25: error: implicit conversion from 'int' to '__u8' (aka 'unsigned char') changes value from 65535 to 255 [-Werror,-Wconstant-conversion]
        { SSAM_VDEV(HUB, 0x02, SSAM_ANY_IID, 0x00) },
        ~                      ^~~~~~~~~~~~
include/linux/surface_aggregator/device.h:71:23: note: expanded from macro 'SSAM_ANY_IID'
 #define SSAM_ANY_IID            0xffff
                                ^~~~~~
include/linux/surface_aggregator/device.h:126:63: note: expanded from macro 'SSAM_VDEV'
        SSAM_DEVICE(SSAM_DOMAIN_VIRTUAL, SSAM_VIRTUAL_TC_##cat, tid, iid, fun)
                                                                     ^~~
include/linux/surface_aggregator/device.h:102:41: note: expanded from macro 'SSAM_DEVICE'
        .instance = ((iid) != SSAM_ANY_IID) ? (iid) : 0,                        \
                                               ^~~

The assignment doesn't actually happen, but clang checks the type limits
before checking whether this assignment is reached. Replace the ?:
operator with a __builtin_choose_expr() invocation that avoids the
warning for the untaken part.

Fixes: eb0e90a820 ("platform/surface: aggregator: Add dedicated bus and device type")
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210514200453.1542978-1-arnd@kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Maximilian Luz
647e6cc979 platform/surface: aggregator: Do not mark interrupt as shared
Having both IRQF_NO_AUTOEN and IRQF_SHARED set causes
request_threaded_irq() to return with -EINVAL (see comment in flag
validation in that function). As the interrupt is currently not shared
between multiple devices, drop the IRQF_SHARED flag.

Fixes: 507cf5a2f1 ("platform/surface: aggregator: move to use request_irq by IRQF_NO_AUTOEN flag")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210505133635.1499703-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Jani Nikula
eddd1b8f46 Merge tag 'gvt-fixes-2021-05-19' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2021-05-19

- Fix workaround in -rc1 for GVT config (Zhenyu)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519074912.GG4589@zhen-hp.sh.intel.com
2021-05-19 11:22:24 +03:00
Simon Rettberg
023dfa9602 drm/i915/gt: Disable HiZ Raw Stall Optimization on broken gen7
When resetting CACHE_MODE registers, don't enable HiZ Raw Stall
Optimization on Ivybridge GT1 and Baytrail, as it causes severe glitches
when rendering any kind of 3D accelerated content.
This optimization is disabled on these platforms by default according to
official documentation from 01.org.

Fixes: ef99a60ffd ("drm/i915/gt: Clear CACHE_MODE prior to clearing residuals")
BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3081
BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3404
BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3071
Reviewed-by: Manuel Bentele <development@manuel-bentele.de>
Signed-off-by: Simon Rettberg <simon.rettberg@rz.uni-freiburg.de>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Rodrigo removed invalid Fixes line]
Link: https://patchwork.freedesktop.org/patch/msgid/20210426161124.2b7fd708@dellnichtsogutkiste
(cherry picked from commit 929b734ad3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-05-19 10:10:28 +03:00
Chris Wilson
036867e93e drm/i915/gem: Pin the L-shape quirked object as unshrinkable
When instantiating a tiled object on an L-shaped memory machine, we mark
the object as unshrinkable to prevent the shrinker from trying to swap
out the pages. We have to do this as we do not know the swizzling on the
individual pages, and so the data will be scrambled across swap out/in.

Not only do we need to move the object off the shrinker list, we need to
mark the object with shrink_pin so that the counter is consistent across
calls to madvise.

v2: in the madvise ioctl we need to check if the object is currently
shrinkable/purgeable, not if the object type supports shrinking

Fixes: 0175969e48 ("drm/i915/gem: Use shrinkable status for unknown swizzle quirks")
References: https://gitlab.freedesktop.org/drm/intel/-/issues/3293
References: https://gitlab.freedesktop.org/drm/intel/-/issues/3450
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v5.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20210517084640.18862-1-matthew.auld@intel.com
(cherry picked from commit 8777d17b68)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-05-19 09:50:08 +03:00
Eric W. Biederman
922e301304 signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
With the addition of ssi_perf_data and ssi_perf_type struct signalfd_siginfo
is dangerously close to running out of space.  All that remains is just
enough space for two additional 64bit fields.  A practice of adding all
possible siginfo_t fields into struct singalfd_siginfo can not be supported
as adding the missing fields ssi_lower, ssi_upper, and ssi_pkey would
require two 64bit fields and one 32bit fields.  In practice the fields
ssi_perf_data and ssi_perf_type can never be used by signalfd as the signal
that generates them always delivers them synchronously to the thread that
triggers them.

Therefore until someone actually needs the fields ssi_perf_data and
ssi_perf_type in signalfd_siginfo remove them.  This leaves a bit more room
for future expansion.

v1: https://lkml.kernel.org/r/20210503203814.25487-12-ebiederm@xmission.com
v2: https://lkml.kernel.org/r/20210505141101.11519-12-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-5-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
0683b53197 signal: Deliver all of the siginfo perf data in _perf
Don't abuse si_errno and deliver all of the perf data in _perf member
of siginfo_t.

Note: The data field in the perf data structures in a u64 to allow a
pointer to be encoded without needed to implement a 32bit and 64bit
version of the same structure.  There already exists a 32bit and 64bit
versions siginfo_t, and the 32bit version can not include a 64bit
member as it only has 32bit alignment.  So unsigned long is used in
siginfo_t instead of a u64 as unsigned long can encode a pointer on
all architectures linux supports.

v1: https://lkml.kernel.org/r/m11rarqqx2.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210503203814.25487-10-ebiederm@xmission.com
v3: https://lkml.kernel.org/r/20210505141101.11519-11-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-4-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
af5eeab7e8 signal: Factor force_sig_perf out of perf_sigtrap
Separate filling in siginfo for TRAP_PERF from deciding that
siginal needs to be sent.

There are enough little details that need to be correct when
properly filling in siginfo_t that it is easy to make mistakes
if filling in the siginfo_t is in the same function with other
logic.  So factor out force_sig_perf to reduce the cognative
load of on reviewers, maintainers and implementors.

v1: https://lkml.kernel.org/r/m17dkjqqxz.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-10-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-3-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
9abcabe311 signal: Implement SIL_FAULT_TRAPNO
Now that si_trapno is part of the union in _si_fault and available on
all architectures, add SIL_FAULT_TRAPNO and update siginfo_layout to
return SIL_FAULT_TRAPNO when the code assumes si_trapno is valid.

There is room for future changes to reduce when si_trapno is valid but
this is all that is needed to make si_trapno and the other members of
the the union in _sigfault mutually exclusive.

Update the code that uses siginfo_layout to deal with SIL_FAULT_TRAPNO
and have the same code ignore si_trapno in in all other cases.

v1: https://lkml.kernel.org/r/m1o8dvs7s7.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-6-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-2-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:34 -05:00
Eric W. Biederman
add0b32ef9 siginfo: Move si_trapno inside the union inside _si_fault
It turns out that linux uses si_trapno very sparingly, and as such it
can be considered extra information for a very narrow selection of
signals, rather than information that is present with every fault
reported in siginfo.

As such move si_trapno inside the union inside of _si_fault.  This
results in no change in placement, and makes it eaiser
to extend _si_fault in the future as this reduces the number of
special cases.  In particular with si_trapno included in the union it
is no longer a concern that the union must be pointer aligned on most
architectures because the union follows immediately after si_addr
which is a pointer.

This change results in a difference in siginfo field placement on
sparc and alpha for the fields si_addr_lsb, si_lower, si_upper,
si_pkey, and si_perf.  These architectures do not implement the
signals that would use si_addr_lsb, si_lower, si_upper, si_pkey, and
si_perf.  Further these architecture have not yet implemented the
userspace that would use si_perf.

The point of this change is in fact to correct these placement issues
before sparc or alpha grow userspace that cares.  This change was
discussed[1] and the agreement is that this change is currently safe.

[1]: https://lkml.kernel.org/r/CAK8P3a0+uKYwL1NhY6Hvtieghba2hKYGD6hcKx5n8=4Gtt+pHA@mail.gmail.com
Acked-by: Marco Elver <elver@google.com>
v1: https://lkml.kernel.org/r/m1tunns7yf.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-5-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-1-ebiederm@xmission.com
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:17:03 -05:00
Arnd Bergmann
976aac5f88 kcsan: Fix debugfs initcall return type
clang with CONFIG_LTO_CLANG points out that an initcall function should
return an 'int' due to the changes made to the initcall macros in commit
3578ad11f3 ("init: lto: fix PREL32 relocations"):

kernel/kcsan/debugfs.c:274:15: error: returning 'void' from a function with incompatible result type 'int'
late_initcall(kcsan_debugfs_init);
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
include/linux/init.h:292:46: note: expanded from macro 'late_initcall'
 #define late_initcall(fn)               __define_initcall(fn, 7)

Fixes: e36299efe7 ("kcsan, debugfs: Move debugfs file creation out of early init")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2021-05-18 10:58:02 -07:00
Shay Drory
889d916b6f RDMA/core: Don't access cm_id after its destruction
restrack should only be attached to a cm_id while the ID has a valid
device pointer. It is set up when the device is first loaded, but not
cleared when the device is removed. There is also two copies of the device
pointer, one private and one in the public API, and these were left out of
sync.

Make everything go to NULL together and manipulate restrack right around
the device assignments.

Found by syzcaller:
BUG: KASAN: wild-memory-access in __list_del include/linux/list.h:112 [inline]
BUG: KASAN: wild-memory-access in __list_del_entry include/linux/list.h:135 [inline]
BUG: KASAN: wild-memory-access in list_del include/linux/list.h:146 [inline]
BUG: KASAN: wild-memory-access in cma_cancel_listens drivers/infiniband/core/cma.c:1767 [inline]
BUG: KASAN: wild-memory-access in cma_cancel_operation drivers/infiniband/core/cma.c:1795 [inline]
BUG: KASAN: wild-memory-access in cma_cancel_operation+0x1f4/0x4b0 drivers/infiniband/core/cma.c:1783
Write of size 8 at addr dead000000000108 by task syz-executor716/334

CPU: 0 PID: 334 Comm: syz-executor716 Not tainted 5.11.0+ #271
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0xbe/0xf9 lib/dump_stack.c:120
 __kasan_report mm/kasan/report.c:400 [inline]
 kasan_report.cold+0x5f/0xd5 mm/kasan/report.c:413
 __list_del include/linux/list.h:112 [inline]
 __list_del_entry include/linux/list.h:135 [inline]
 list_del include/linux/list.h:146 [inline]
 cma_cancel_listens drivers/infiniband/core/cma.c:1767 [inline]
 cma_cancel_operation drivers/infiniband/core/cma.c:1795 [inline]
 cma_cancel_operation+0x1f4/0x4b0 drivers/infiniband/core/cma.c:1783
 _destroy_id+0x29/0x460 drivers/infiniband/core/cma.c:1862
 ucma_close_id+0x36/0x50 drivers/infiniband/core/ucma.c:185
 ucma_destroy_private_ctx+0x58d/0x5b0 drivers/infiniband/core/ucma.c:576
 ucma_close+0x91/0xd0 drivers/infiniband/core/ucma.c:1797
 __fput+0x169/0x540 fs/file_table.c:280
 task_work_run+0xb7/0x100 kernel/task_work.c:140
 exit_task_work include/linux/task_work.h:30 [inline]
 do_exit+0x7da/0x17f0 kernel/exit.c:825
 do_group_exit+0x9e/0x190 kernel/exit.c:922
 __do_sys_exit_group kernel/exit.c:933 [inline]
 __se_sys_exit_group kernel/exit.c:931 [inline]
 __x64_sys_exit_group+0x2d/0x30 kernel/exit.c:931
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 255d0c14b3 ("RDMA/cma: rdma_bind_addr() leaks a cma_dev reference count")
Link: https://lore.kernel.org/r/3352ee288fe34f2b44220457a29bfc0548686363.1620711734.git.leonro@nvidia.com
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-18 14:05:26 -03:00
Jonathan Neuschäfer
d37316b72e ARM: npcm: wpcm450: select interrupt controller driver
The interrupt controller driver is necessary in order to have a
functioning Linux system on WPCM450. Select it in mach-npcm/Kconfig.

Fixes: ece3fe93e8 ("ARM: npcm: Introduce Nuvoton WPCM450 SoC")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210513165627.1767093-1-j.neuschaefer@gmx.net
Link: https://lore.kernel.org/r/20210518071514.604492-1-joel@jms.id.au'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-05-18 15:27:27 +02:00
Takashi Sakamoto
4c6fe8c547 ALSA: dice: fix stream format for TC Electronic Konnekt Live at high sampling transfer frequency
At high sampling transfer frequency, TC Electronic Konnekt Live
transfers/receives 6 audio data frames in multi bit linear audio data
channel of data block in CIP payload. Current hard-coded stream format
is wrong.

Cc: <stable@vger.kernel.org>
Fixes: f1f0f330b1 ("ALSA: dice: add parameters of stream formats for models produced by TC Electronic")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210518012612.37268-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-18 08:57:54 +02:00
Takashi Sakamoto
9f079c1bdc ALSA: dice: disable double_pcm_frames mode for M-Audio Profire 610, 2626 and Avid M-Box 3 Pro
ALSA dice driver detects jumbo payload at high sampling transfer frequency
for below models:

 * Avid M-Box 3 Pro
 * M-Audio Profire 610
 * M-Audio Profire 2626

Although many DICE-based devices have a quirk at high sampling transfer
frequency to multiplex double number of PCM frames into data block than
the number in IEC 61883-1/6, the above devices are just compliant to
IEC 61883-1/6.

This commit disables the mode of double_pcm_frames for the models.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210518012510.37126-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-18 08:57:21 +02:00
Rob Herring
c17611592d dt-bindings: More removals of type references on common properties
Users of common properties shouldn't have a type definition as the
common schemas already have one. A few new ones slipped in and
*-names was missed in the last clean-up pass. Drop all the unnecessary
type references in the tree.

A meta-schema update to catch these is pending.

Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Orson Zhai <orsonzhai@gmail.com>
Cc: Baolin Wang <baolin.wang7@gmail.com>
Cc: Chunyan Zhang <zhang.lyra@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: Odelu Kukatla <okukatla@codeaurora.org>
Cc: Alex Elder <elder@kernel.org>
Cc: Shengjiu Wang <shengjiu.wang@nxp.com>
Cc: linux-clk@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-iio@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-input@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Georgi Djakov <djakov@kernel.org>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20210510204524.617390-1-robh@kernel.org
2021-05-17 16:20:08 -05:00
Rob Herring
4710ccc52e dt-bindings: media: renesas,drif: Use graph schema
Convert the renesas,drif binding schema to use the graph schema. The
binding referred to video-interfaces.txt, but it doesn't actually use any
properties from it as 'sync-active' is a custom property. As 'sync-active'
is custom, it needs a type definition.

Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Ramesh Shanmugasundaram <rashanmu@gmail.com>
Cc: linux-media@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Link: https://lore.kernel.org/r/20210510203514.603471-1-robh@kernel.org
2021-05-17 16:19:54 -05:00
Linus Torvalds
8ac91e6c60 Merge tag 'for-5.13-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
 "A few more fixes:

   - fix fiemap to print extents that could get misreported due to
     internal extent splitting and logical merging for fiemap output

   - fix RCU stalls during delayed iputs

   - fix removed dentries still existing after log is synced"

* tag 'for-5.13-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix removed dentries still existing after log is synced
  btrfs: return whole extents in fiemap
  btrfs: avoid RCU stalls while running delayed iputs
  btrfs: return 0 for dev_extent_hole_check_zoned hole_start in case of error
2021-05-17 09:55:10 -07:00
Leon Romanovsky
dc07628bd2 RDMA/rxe: Return CQE error if invalid lkey was supplied
RXE is missing update of WQE status in LOCAL_WRITE failures.  This caused
the following kernel panic if someone sent an atomic operation with an
explicitly wrong lkey.

[leonro@vm ~]$ mkt test
test_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ...
 WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe]
 Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core
 CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936
 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
 RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe]
 Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff <0f> 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff
 RSP: 0018:ffff8880158af090 EFLAGS: 00010246
 RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652
 RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210
 RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b
 R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8
 R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c
 FS:  00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 Call Trace:
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_rcv+0xb11/0x1df0 [rdma_rxe]
  rxe_loopback+0x157/0x1e0 [rdma_rxe]
  rxe_responder+0x5532/0x7620 [rdma_rxe]
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_rcv+0x9c8/0x1df0 [rdma_rxe]
  rxe_loopback+0x157/0x1e0 [rdma_rxe]
  rxe_requester+0x1efd/0x58c0 [rdma_rxe]
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_post_send+0x998/0x1860 [rdma_rxe]
  ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs]
  ib_uverbs_write+0x847/0xc80 [ib_uverbs]
  vfs_write+0x1c5/0x840
  ksys_write+0x176/0x1d0
  do_syscall_64+0x3f/0x80
  entry_SYSCALL_64_after_hwframe+0x44/0xae

Fixes: 8700e3e7c4 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/11e7b553f3a6f5371c6bb3f57c494bb52b88af99.1620711734.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-17 13:52:47 -03:00
Maor Gottlieb
97f30d324c RDMA/mlx5: Recover from fatal event in dual port mode
When there is fatal event on the slave port, the device is marked as not
active. We need to mark it as active again when the slave is recovered to
regain full functionality.

Fixes: d69a24e036 ("IB/mlx5: Move IB event processing onto a workqueue")
Link: https://lore.kernel.org/r/8906754455bb23019ef223c725d2c0d38acfb80b.1620711734.git.leonro@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-17 13:52:47 -03:00
Maor Gottlieb
6863b4d7bf RDMA/mlx5: Verify that DM operation is reasonable
Fix the complaint from smatch by verifing that the user requested DM
operation is not greater than 31.

divers/infiniband/hw/mlx5/dm.c:220 mlx5_ib_handler_MLX5_IB_METHOD_DM_MAP_OP_ADDR()
error: undefined (user controlled) shift '(((1))) << op'

Fixes: cea85fa5db ("RDMA/mlx5: Add support in MEMIC operations")
Link: https://lore.kernel.org/r/458b1d7710c3cf01360c8771893f483665569786.1620711734.git.leonro@nvidia.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-05-17 13:52:47 -03:00
Kevin Hilman
b433d090ac MAINTAINERS: ARM/Amlogic SoCs: add Neil as primary maintainer
Add Neil as primary maintainer for the Amlogic family of Arm SoCs.  I
will now act as co-maintainer.

Neil is already doing lots of the reviewing, testing and behind the
scenes support for users of the upstream kernel on these SoCs, so this
is just to formalize the current state of affairs.

Thanks Neil for all of your efforts, and keep up the great work!

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210511190054.26300-1-khilman@baylibre.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-05-17 16:07:25 +02:00
Arnd Bergmann
8ec51f894b Merge tag 'amdtee-fixes-for-v5.13' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
AMD-TEE reference count loaded TAs

* tag 'amdtee-fixes-for-v5.13' of git://git.linaro.org/people/jens.wiklander/linux-tee:
  tee: amdtee: unload TA only when its refcount becomes 0

Link: https://lore.kernel.org/r/20210505110850.GA3434209@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-05-17 16:06:02 +02:00
Josef Bacik
91df99a6eb btrfs: do not BUG_ON in link_to_fixup_dir
While doing error injection testing I got the following panic

  kernel BUG at fs/btrfs/tree-log.c:1862!
  invalid opcode: 0000 [#1] SMP NOPTI
  CPU: 1 PID: 7836 Comm: mount Not tainted 5.13.0-rc1+ #305
  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
  RIP: 0010:link_to_fixup_dir+0xd5/0xe0
  RSP: 0018:ffffb5800180fa30 EFLAGS: 00010216
  RAX: fffffffffffffffb RBX: 00000000fffffffb RCX: ffff8f595287faf0
  RDX: ffffb5800180fa37 RSI: ffff8f5954978800 RDI: 0000000000000000
  RBP: ffff8f5953af9450 R08: 0000000000000019 R09: 0000000000000001
  R10: 000151f408682970 R11: 0000000120021001 R12: ffff8f5954978800
  R13: ffff8f595287faf0 R14: ffff8f5953c77dd0 R15: 0000000000000065
  FS:  00007fc5284c8c40(0000) GS:ffff8f59bbd00000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 00007fc5287f47c0 CR3: 000000011275e002 CR4: 0000000000370ee0
  Call Trace:
   replay_one_buffer+0x409/0x470
   ? btree_read_extent_buffer_pages+0xd0/0x110
   walk_up_log_tree+0x157/0x1e0
   walk_log_tree+0xa6/0x1d0
   btrfs_recover_log_trees+0x1da/0x360
   ? replay_one_extent+0x7b0/0x7b0
   open_ctree+0x1486/0x1720
   btrfs_mount_root.cold+0x12/0xea
   ? __kmalloc_track_caller+0x12f/0x240
   legacy_get_tree+0x24/0x40
   vfs_get_tree+0x22/0xb0
   vfs_kern_mount.part.0+0x71/0xb0
   btrfs_mount+0x10d/0x380
   ? vfs_parse_fs_string+0x4d/0x90
   legacy_get_tree+0x24/0x40
   vfs_get_tree+0x22/0xb0
   path_mount+0x433/0xa10
   __x64_sys_mount+0xe3/0x120
   do_syscall_64+0x3d/0x80
   entry_SYSCALL_64_after_hwframe+0x44/0xae

We can get -EIO or any number of legitimate errors from
btrfs_search_slot(), panicing here is not the appropriate response.  The
error path for this code handles errors properly, simply return the
error.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-05-17 15:49:24 +02:00
Filipe Manana
6416954ca7 btrfs: release path before starting transaction when cloning inline extent
When cloning an inline extent there are a few cases, such as when we have
an implicit hole at file offset 0, where we start a transaction while
holding a read lock on a leaf. Starting the transaction results in a call
to sb_start_intwrite(), which results in doing a read lock on a percpu
semaphore. Lockdep doesn't like this and complains about it:

  [46.580704] ======================================================
  [46.580752] WARNING: possible circular locking dependency detected
  [46.580799] 5.13.0-rc1 #28 Not tainted
  [46.580832] ------------------------------------------------------
  [46.580877] cloner/3835 is trying to acquire lock:
  [46.580918] c00000001301d638 (sb_internal#2){.+.+}-{0:0}, at: clone_copy_inline_extent+0xe4/0x5a0
  [46.581167]
  [46.581167] but task is already holding lock:
  [46.581217] c000000007fa2550 (btrfs-tree-00){++++}-{3:3}, at: __btrfs_tree_read_lock+0x70/0x1d0
  [46.581293]
  [46.581293] which lock already depends on the new lock.
  [46.581293]
  [46.581351]
  [46.581351] the existing dependency chain (in reverse order) is:
  [46.581410]
  [46.581410] -> #1 (btrfs-tree-00){++++}-{3:3}:
  [46.581464]        down_read_nested+0x68/0x200
  [46.581536]        __btrfs_tree_read_lock+0x70/0x1d0
  [46.581577]        btrfs_read_lock_root_node+0x88/0x200
  [46.581623]        btrfs_search_slot+0x298/0xb70
  [46.581665]        btrfs_set_inode_index+0xfc/0x260
  [46.581708]        btrfs_new_inode+0x26c/0x950
  [46.581749]        btrfs_create+0xf4/0x2b0
  [46.581782]        lookup_open.isra.57+0x55c/0x6a0
  [46.581855]        path_openat+0x418/0xd20
  [46.581888]        do_filp_open+0x9c/0x130
  [46.581920]        do_sys_openat2+0x2ec/0x430
  [46.581961]        do_sys_open+0x90/0xc0
  [46.581993]        system_call_exception+0x3d4/0x410
  [46.582037]        system_call_common+0xec/0x278
  [46.582078]
  [46.582078] -> #0 (sb_internal#2){.+.+}-{0:0}:
  [46.582135]        __lock_acquire+0x1e90/0x2c50
  [46.582176]        lock_acquire+0x2b4/0x5b0
  [46.582263]        start_transaction+0x3cc/0x950
  [46.582308]        clone_copy_inline_extent+0xe4/0x5a0
  [46.582353]        btrfs_clone+0x5fc/0x880
  [46.582388]        btrfs_clone_files+0xd8/0x1c0
  [46.582434]        btrfs_remap_file_range+0x3d8/0x590
  [46.582481]        do_clone_file_range+0x10c/0x270
  [46.582558]        vfs_clone_file_range+0x1b0/0x310
  [46.582605]        ioctl_file_clone+0x90/0x130
  [46.582651]        do_vfs_ioctl+0x874/0x1ac0
  [46.582697]        sys_ioctl+0x6c/0x120
  [46.582733]        system_call_exception+0x3d4/0x410
  [46.582777]        system_call_common+0xec/0x278
  [46.582822]
  [46.582822] other info that might help us debug this:
  [46.582822]
  [46.582888]  Possible unsafe locking scenario:
  [46.582888]
  [46.582942]        CPU0                    CPU1
  [46.582984]        ----                    ----
  [46.583028]   lock(btrfs-tree-00);
  [46.583062]                                lock(sb_internal#2);
  [46.583119]                                lock(btrfs-tree-00);
  [46.583174]   lock(sb_internal#2);
  [46.583212]
  [46.583212]  *** DEADLOCK ***
  [46.583212]
  [46.583266] 6 locks held by cloner/3835:
  [46.583299]  #0: c00000001301d448 (sb_writers#12){.+.+}-{0:0}, at: ioctl_file_clone+0x90/0x130
  [46.583382]  #1: c00000000f6d3768 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: lock_two_nondirectories+0x58/0xc0
  [46.583477]  #2: c00000000f6d72a8 (&sb->s_type->i_mutex_key#15/4){+.+.}-{3:3}, at: lock_two_nondirectories+0x9c/0xc0
  [46.583574]  #3: c00000000f6d7138 (&ei->i_mmap_lock){+.+.}-{3:3}, at: btrfs_remap_file_range+0xd0/0x590
  [46.583657]  #4: c00000000f6d35f8 (&ei->i_mmap_lock/1){+.+.}-{3:3}, at: btrfs_remap_file_range+0xe0/0x590
  [46.583743]  #5: c000000007fa2550 (btrfs-tree-00){++++}-{3:3}, at: __btrfs_tree_read_lock+0x70/0x1d0
  [46.583828]
  [46.583828] stack backtrace:
  [46.583872] CPU: 1 PID: 3835 Comm: cloner Not tainted 5.13.0-rc1 #28
  [46.583931] Call Trace:
  [46.583955] [c0000000167c7200] [c000000000c1ee78] dump_stack+0xec/0x144 (unreliable)
  [46.584052] [c0000000167c7240] [c000000000274058] print_circular_bug.isra.32+0x3a8/0x400
  [46.584123] [c0000000167c72e0] [c0000000002741f4] check_noncircular+0x144/0x190
  [46.584191] [c0000000167c73b0] [c000000000278fc0] __lock_acquire+0x1e90/0x2c50
  [46.584259] [c0000000167c74f0] [c00000000027aa94] lock_acquire+0x2b4/0x5b0
  [46.584317] [c0000000167c75e0] [c000000000a0d6cc] start_transaction+0x3cc/0x950
  [46.584388] [c0000000167c7690] [c000000000af47a4] clone_copy_inline_extent+0xe4/0x5a0
  [46.584457] [c0000000167c77c0] [c000000000af525c] btrfs_clone+0x5fc/0x880
  [46.584514] [c0000000167c7990] [c000000000af5698] btrfs_clone_files+0xd8/0x1c0
  [46.584583] [c0000000167c7a00] [c000000000af5b58] btrfs_remap_file_range+0x3d8/0x590
  [46.584652] [c0000000167c7ae0] [c0000000005d81dc] do_clone_file_range+0x10c/0x270
  [46.584722] [c0000000167c7b40] [c0000000005d84f0] vfs_clone_file_range+0x1b0/0x310
  [46.584793] [c0000000167c7bb0] [c00000000058bf80] ioctl_file_clone+0x90/0x130
  [46.584861] [c0000000167c7c10] [c00000000058c894] do_vfs_ioctl+0x874/0x1ac0
  [46.584922] [c0000000167c7d10] [c00000000058db4c] sys_ioctl+0x6c/0x120
  [46.584978] [c0000000167c7d60] [c0000000000364a4] system_call_exception+0x3d4/0x410
  [46.585046] [c0000000167c7e10] [c00000000000d45c] system_call_common+0xec/0x278
  [46.585114] --- interrupt: c00 at 0x7ffff7e22990
  [46.585160] NIP:  00007ffff7e22990 LR: 00000001000010ec CTR: 0000000000000000
  [46.585224] REGS: c0000000167c7e80 TRAP: 0c00   Not tainted  (5.13.0-rc1)
  [46.585280] MSR:  800000000280f033 <SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE>  CR: 28000244  XER: 00000000
  [46.585374] IRQMASK: 0
  [46.585374] GPR00: 0000000000000036 00007fffffffdec0 00007ffff7f17100 0000000000000004
  [46.585374] GPR04: 000000008020940d 00007fffffffdf40 0000000000000000 0000000000000000
  [46.585374] GPR08: 0000000000000004 0000000000000000 0000000000000000 0000000000000000
  [46.585374] GPR12: 0000000000000000 00007ffff7ffa940 0000000000000000 0000000000000000
  [46.585374] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
  [46.585374] GPR20: 0000000000000000 000000009123683e 00007fffffffdf40 0000000000000000
  [46.585374] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000004
  [46.585374] GPR28: 0000000100030260 0000000100030280 0000000000000003 000000000000005f
  [46.585919] NIP [00007ffff7e22990] 0x7ffff7e22990
  [46.585964] LR [00000001000010ec] 0x1000010ec
  [46.586010] --- interrupt: c00

This should be a false positive, as both locks are acquired in read mode.
Nevertheless, we don't need to hold a leaf locked when we start the
transaction, so just release the leaf (path) before starting it.

Reported-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/linux-btrfs/20210513214404.xks77p566fglzgum@riteshh-domain/
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-05-17 15:49:19 +02:00
Jan Kara
5b9fedb31e quota: Disable quotactl_path syscall
In commit fa8b90070a ("quota: wire up quotactl_path") we have wired up
new quotactl_path syscall. However some people in LWN discussion have
objected that the path based syscall is missing dirfd and flags argument
which is mostly standard for contemporary path based syscalls. Indeed
they have a point and after a discussion with Christian Brauner and
Sascha Hauer I've decided to disable the syscall for now and update its
API. Since there is no userspace currently using that syscall and it
hasn't been released in any major release, we should be fine.

CC: Christian Brauner <christian.brauner@ubuntu.com>
CC: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/lkml/20210512153621.n5u43jsytbik4yze@wittgenstein
Signed-off-by: Jan Kara <jack@suse.cz>
2021-05-17 14:39:56 +02:00
Zhen Lei
a470c5665b drm/exynos/decon5433: Remove redundant error printing in exynos5433_decon_probe()
When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-05-17 20:31:39 +09:00
Zhen Lei
04562956fd drm/exynos: Remove redundant error printing in exynos_dsi_probe()
When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-05-17 20:31:11 +09:00
Krzysztof Kozlowski
b80bfc59c6 drm/exynos: correct exynos_drm_fimd kerneldoc
Correct the kerneldoc of fimd_shadow_protect_win() to fix W=1 warnings:

  drivers/gpu/drm/exynos/exynos_drm_fimd.c:734: warning:
    expecting prototype for shadow_protect_win(). Prototype was for fimd_shadow_protect_win() instead

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-05-17 20:05:32 +09:00
Zhenyu Wang
145e06b58f drm/i915/gvt: Move mdev attribute groups into kvmgt module
As kvmgt module contains all handling for VFIO/mdev, leaving mdev attribute
groups in gvt module caused dependency issue. Although it was there for possible
other hypervisor usage, that turns out never to be true. So this moves all mdev
handling into kvmgt module completely to resolve dependency issue.

With this fix, no config workaround is required. So revert previous workaround
commits: adaeb718d4 ("vfio/gvt: fix DRM_I915_GVT dependency on VFIO_MDEV")
and 07e543f4f9 ("vfio/gvt: Make DRM_I915_GVT depend on VFIO_MDEV").

Reviewed-by: Colin Xu <colin.xu@intel.com>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210513083902.2822350-1-zhenyuw@linux.intel.com
2021-05-17 16:37:09 +08:00
Jessica Yu
055f23b74b module: check for exit sections in layout_sections() instead of module_init_section()
Previously, when CONFIG_MODULE_UNLOAD=n, the module loader just does not
attempt to load exit sections since it never expects that any code in those
sections will ever execute. However, dynamic code patching (alternatives,
jump_label and static_call) can have sites in __exit code, even if __exit is
never executed. Therefore __exit must be present at runtime, at least for as
long as __init code is.

Commit 33121347fb ("module: treat exit sections the same as init
sections when !CONFIG_MODULE_UNLOAD") solves the requirements of
jump_labels and static_calls by putting the exit sections in the init
region of the module so that they are at least present at init, and
discarded afterwards. It does this by including a check for exit
sections in module_init_section(), so that it also returns true for exit
sections, and the module loader will automatically sort them in the init
region of the module.

However, the solution there was not completely arch-independent. ARM is
a special case where it supplies its own module_{init, exit}_section()
functions. Instead of pushing the exit section checks into
module_init_section(), just implement the exit section check in
layout_sections(), so that we don't have to touch arch-dependent code.

Fixes: 33121347fb ("module: treat exit sections the same as init sections when !CONFIG_MODULE_UNLOAD")
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
2021-05-17 09:48:24 +02:00
wenhuizhang
4236a26a6b cifs: remove deadstore in cifs_close_all_deferred_files()
Deadstore detected by Lukas Bulwahn's CodeChecker Tool (ELISA group).

line 741 struct cifsInodeInfo *cinode;
line 747 cinode = CIFS_I(d_inode(cfile->dentry));
could be deleted.

cinode on filesystem should not be deleted when files are closed,
they are representations of some data fields on a physical disk,
thus no further action is required.
The virtual inode on vfs will be handled by vfs automatically,
and the denotation is inode, which is different from the cinode.

Signed-off-by: wenhuizhang <wenhui@gwmail.gwu.edu>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-16 23:05:46 -05:00
Linus Torvalds
d07f6ca923 Linux 5.13-rc2 v5.13-rc2 2021-05-16 15:27:44 -07:00
Linus Torvalds
28183dbf54 Merge tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
 "Here are two driver fixes for driver core changes that happened in
  5.13-rc1.

  The clk driver fix resolves a many-reported issue with booting some
  devices, and the USB typec fix resolves the reported problem of USB
  systems on some embedded boards.

  Both of these have been in linux-next this week with no reported
  issues"

* tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  clk: Skip clk provider registration when np is NULL
  usb: typec: tcpm: Don't block probing of consumers of "connector" nodes
2021-05-16 10:13:14 -07:00
Linus Torvalds
6942d81a8f Merge tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
 "Here are some small IIO driver fixes and one Staging driver fix for
  5.13-rc2.

  Nothing major, just some resolutions for reported problems:

   - gcc-11 bogus warning fix for rtl8723bs

   - iio driver tiny fixes

  All of these have been in linux-next for many days with no reported
  issues"

* tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  iio: tsl2583: Fix division by a zero lux_val
  iio: core: return ENODEV if ioctl is unknown
  iio: core: fix ioctl handlers removal
  iio: gyro: mpu3050: Fix reported temperature value
  iio: hid-sensors: select IIO_TRIGGERED_BUFFER under HID_SENSOR_IIO_TRIGGER
  iio: proximity: pulsedlight: Fix rumtime PM imbalance on error
  iio: light: gp2ap002: Fix rumtime PM imbalance on error
  staging: rtl8723bs: avoid bogus gcc warning
2021-05-16 10:06:19 -07:00
Linus Torvalds
4a668429e0 Merge tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
 "Here are some small USB fixes for 5.13-rc2. They consist of a number
  of resolutions for reported issues:

   - typec fixes for found problems

   - xhci fixes and quirk additions

   - dwc3 driver fixes

   - minor fixes found by Coverity

   - cdc-wdm fixes for reported problems

  All of these have been in linux-next for a few days with no reported
  issues"

* tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
  usb: core: hub: fix race condition about TRSMRCY of resume
  usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
  xhci: Add reset resume quirk for AMD xhci controller.
  usb: xhci: Increase timeout for HC halt
  xhci: Do not use GFP_KERNEL in (potentially) atomic context
  xhci: Fix giving back cancelled URBs even if halted endpoint can't reset
  xhci-pci: Allow host runtime PM as default for Intel Alder Lake xHCI
  usb: musb: Fix an error message
  usb: typec: tcpm: Fix wrong handling for Not_Supported in VDM AMS
  usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work
  usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4
  usb: fotg210-hcd: Fix an error message
  docs: usb: function: Modify path name
  usb: dwc3: omap: improve extcon initialization
  usb: typec: ucsi: Put fwnode in any case during ->probe()
  usb: typec: tcpm: Fix wrong handling in GET_SINK_CAP
  usb: dwc2: Remove obsolete MODULE_ constants from platform.c
  usb: dwc3: imx8mp: fix error return code in dwc3_imx8mp_probe()
  usb: dwc3: imx8mp: detect dwc3 core node via compatible string
  usb: dwc3: gadget: Return success always for kick transfer in ep queue
  ...
2021-05-16 09:55:05 -07:00
Linus Torvalds
8ce3648158 Merge tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "Two fixes for timers:

   - Use the ALARM feature check in the alarmtimer core code insted of
     the old method of checking for the set_alarm() callback.

     Drivers can have that callback set but the feature bit cleared. If
     such a RTC device is selected then alarms wont work.

   - Use a proper define to let the preprocessor check whether Hyper-V
     VDSO clocksource should be active.

     The code used a constant in an enum with #ifdef, which evaluates to
     always false and disabled the clocksource for VDSO"

* tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/hyper-v: Re-enable VDSO_CLOCKMODE_HVCLOCK on X86
  alarmtimer: Check RTC features instead of ops
2021-05-16 09:42:13 -07:00
Linus Torvalds
f44e58bb19 Merge tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:

 - two patches for error path fixes

 - a small series for fixing a regression with swiotlb with Xen on Arm

* tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/swiotlb: check if the swiotlb has already been initialized
  arm64: do not set SWIOTLB_NO_FORCE when swiotlb is required
  xen/arm: move xen_swiotlb_detect to arm/swiotlb-xen.h
  xen/unpopulated-alloc: fix error return code in fill_list()
  xen/gntdev: fix gntdev_mmap() error exit path
2021-05-16 09:39:04 -07:00
Linus Torvalds
ccb013c29d Merge tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
 "The three SEV commits are not really urgent material. But we figured
  since getting them in now will avoid a huge amount of conflicts
  between future SEV changes touching tip, the kvm and probably other
  trees, sending them to you now would be best.

  The idea is that the tip, kvm etc branches for 5.14 will all base
  ontop of -rc2 and thus everything will be peachy. What is more, those
  changes are purely mechanical and defines movement so they should be
  fine to go now (famous last words).

  Summary:

   - Enable -Wundef for the compressed kernel build stage

   - Reorganize SEV code to streamline and simplify future development"

* tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot/compressed: Enable -Wundef
  x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
  x86/sev: Move GHCB MSR protocol and NAE definitions in a common header
  x86/sev-es: Rename sev-es.{ch} to sev.{ch}
2021-05-16 09:31:06 -07:00
Takashi Iwai
c1f0616124 ALSA: intel8x0: Don't update period unless prepared
The interrupt handler of intel8x0 calls snd_intel8x0_update() whenever
the hardware sets the corresponding status bit for each stream.  This
works fine for most cases as long as the hardware behaves properly.
But when the hardware gives a wrong bit set, this leads to a zero-
division Oops, and reportedly, this seems what happened on a VM.

For fixing the crash, this patch adds a internal flag indicating that
the stream is ready to be updated, and check it (as well as the flag
being in suspended) to ignore such spurious update.

Cc: <stable@vger.kernel.org>
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://lore.kernel.org/r/s5h5yzi7uh0.wl-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-16 18:17:55 +02:00