Commit Graph

1353320 Commits

Author SHA1 Message Date
Khaled Elnaggar
94145ffb07 docs: symbol-namespaces: fix reST warning with literal block
Use a literal block for the EXPORT_SYMBOL_GPL_FOR_MODULES() example to
avoid a Docutils warning about unmatched '*'. This ensures correct rendering
and keeps the source readable.

Warning:
Documentation/core-api/symbol-namespaces.rst:90: WARNING: Inline emphasis start-string without end-string. [docutils]

Signed-off-by: Khaled Elnaggar <khaledelnaggarlinux@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-06-06 05:40:25 +09:00
Masahiro Yamada
41a77d43f3 kbuild: link lib-y objects to vmlinux forcibly even when CONFIG_MODULES=n
Since commit 7273ad2b08 ("kbuild: link lib-y objects to vmlinux
forcibly when CONFIG_MODULES=y"), all objects from lib-y have been
forcibly linked to vmlinux when CONFIG_MODULES=y.

To simplify future changes, this commit makes all objects from lib-y
be linked regardless of the CONFIG_MODULES setting.

Most use cases (CONFIG_MODULES=y) are not affected by this change.

The vmlinux size with ARCH=arm allnoconfig, where CONFIG_MODULES=n,
increases as follows:

   text    data     bss     dec     hex filename
1368644  835104  206288 2410036  24c634 vmlinux.before
1379440  837064  206288 2422792  24f808 vmlinux.after

We no longer benefit from using static libraries, but the impact is
mitigated by supporting CONFIG_LD_DEAD_CODE_DATA_ELIMINATION.

For example, the size of vmlinux remains almost the same with ARCH=arm
tinyconfig, where CONFIG_MODULES=n and
CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y.

   text    data     bss     dec     hex filename
 455316   93404   15472  564192   89be0 vmlinux.before
 455312   93404   15472  564188   89bdc vmlinux.after

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-06-06 05:40:24 +09:00
Masahiro Yamada
81a93bf93f tinyconfig: enable CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
This CONFIG option, if supported by the architecture, helps reduce the
size of vmlinux.

For example, the size of vmlinux with ARCH=arm tinyconfig decreases as
follows:

   text	   data	    bss	    dec	    hex	filename
 631684	 104500	  18176	 754360	  b82b8	vmlinux.before
 455316	  93404	  15472	 564192	  89be0	vmlinux.after

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-06-06 05:40:24 +09:00
Masahiro Yamada
40617439d5 docs/core-api/symbol-namespaces: drop table of contents and section numbering
The manually updated table of contents and section numbering are hard
to maintain.

Make changes similar to the following commits:

  5e8f0ba38a ("docs/kbuild/makefiles: throw out the local table of contents")
  1a4c1c9df7 ("docs/kbuild/makefiles: drop section numbering, use references")

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:16:10 +09:00
Masahiro Yamada
9c036cfbb7 modpost: check forbidden MODULE_IMPORT_NS("module:") at compile time
Explicitly adding MODULE_IMPORT_NS("module:...") is not allowed.

Currently, this is only checked at run time. That is, when such a
module is loaded, an error message like the following is shown:

  foo: module tries to import module namespace: module:bar

Obviously, checking this at compile time improves usability.

In such a case, modpost will report the following error at compile time:

  ERROR: modpost: foo: explicitly importing namespace "module:bar" is not allowed.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:15:51 +09:00
Masahiro Yamada
8f81d8529e kbuild: move kbuild syntax processing to scripts/Makefile.build
scripts/Makefile.lib is included by the following Makefiles:

  scripts/Makefile.build
  scripts/Makefile.modfinal
  scripts/Makefile.package
  scripts/Makefile.vmlinux
  scripts/Makefile.vmlinux_o

However, the last four do not need to process Kbuild syntax such as
obj-*, lib-*, subdir-*, etc.

Move the relevant code to scripts/Makefile.build.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas.schier@linux.dev>
2025-05-25 18:15:31 +09:00
Henrik Lindström
2adde2eb16 Makefile: remove dependency on archscripts for header installation
archscripts has nothing to do with headers_install.

Signed-off-by: Henrik Lindström <henrik@lxm.se>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:23 +09:00
Sami Tolvanen
cf9d692629 Documentation/kbuild: Add new gendwarfksyms kABI rules
Document the "byte_size" and "type_string" kABI stability rules.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:23 +09:00
Sami Tolvanen
881bf900bc Documentation/kbuild: Drop section numbers
Change the gendwarfksyms documentation to use proper chapter,
section, and subsection adornments instead of fragile section
numbers.

Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:23 +09:00
Sami Tolvanen
c9083467f7 gendwarfksyms: Add a kABI rule to override type strings
In rare situations where distributions must make significant
changes to otherwise opaque data structures that have
inadvertently been included in the published ABI, keeping
symbol versions stable using the existing kABI macros can
become tedious.

For example, Android decided to switch to a newer io_uring
implementation in the 5.10 GKI kernel "to resolve a huge number
of potential, and known, problems with the codebase," requiring
"horrible hacks" with genksyms:

  "A number of the io_uring structures get used in other core
  kernel structures, only as "opaque" pointers, so there is
  not any real ABI breakage.  But, due to the visibility of
  the structures going away, the CRC values of many scheduler
  variables and functions were changed."
    -- https://r.android.com/2425293

While these specific changes probably could have been hidden
from gendwarfksyms using the existing kABI macros, this may not
always be the case.

Add a last resort kABI rule that allows distribution
maintainers to fully override a type string for a symbol or a
type. Also add a more informative error message in case we find
a non-existent type references when calculating versions.

Suggested-by: Giuliano Procida <gprocida@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:23 +09:00
Sami Tolvanen
db59d74e5d gendwarfksyms: Add a kABI rule to override byte_size attributes
A data structure can be partially opaque to modules if its
allocation is handled by the core kernel, and modules only need
to access some of its members. In this situation, it's possible
to append new members to the structure without breaking the ABI,
as long as the layout for the original members remains unchanged.
For example, consider the following struct:

  struct s {
          unsigned long a;
          void *p;
  };

gendwarfksyms --stable --dump-dies produces the following type
expansion:

  variable structure_type s {
    member base_type long unsigned int byte_size(8) encoding(7) a
      data_member_location(0) ,
    member pointer_type {
      base_type void
    } byte_size(8) p data_member_location(8)
  } byte_size(16)

To append new members, we can use the KABI_IGNORE() macro to
hide them from gendwarfksyms --stable:

  struct s {
          /* old members with unchanged layout */
          unsigned long a;
          void *p;

          /* new members not accessed by modules */
          KABI_IGNORE(0, unsigned long n);
  };

However, we can't hide the fact that adding new members changes
the struct size, as seen in the updated type string:

  variable structure_type s {
    member base_type long unsigned int byte_size(8) encoding(7) a
      data_member_location(0) ,
    member pointer_type {
      base_type void
    } byte_size(8) p data_member_location(8)
  } byte_size(24)

In order to support this use case, add a kABI rule that makes it
possible to override the byte_size attribute for types:

  /*
   * struct s allocation is handled by the kernel, so
   * appending new members without changing the original
   * layout won't break the ABI.
   */
  KABI_BYTE_SIZE(s, 16);

This results in a type string that's unchanged from the original
and therefore, won't change versions for symbols that reference
the changed structure.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:22 +09:00
Sami Tolvanen
ff2c5f5a9e gendwarfksyms: Clean up kABI rule look-ups
Reduce code duplication by moving kABI rule look-ups to separate
functions.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:22 +09:00
Peter Zijlstra
707f853d7f module: Provide EXPORT_SYMBOL_GPL_FOR_MODULES() helper
Helper macro to more easily limit the export of a symbol to a given
list of modules.

Eg:

  EXPORT_SYMBOL_GPL_FOR_MODULES(preempt_notifier_inc, "kvm");

will limit the use of said function to kvm.ko, any other module trying
to use this symbol will refure to load (and get modpost build
failures).

Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Requested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:14 +09:00
Peter Zijlstra
0267cbf297 module: Account for the build time module name mangling
Sean noted that scripts/Makefile.lib:name-fix-token rule will mangle
the module name with s/-/_/g.

Since this happens late in the build, only the kernel needs to bother
with this, the modpost tool still sees the original name.

Reported-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:08 +09:00
Peter Zijlstra
754f8733fc module: Extend the module namespace parsing
Instead of only accepting "module:${name}", extend it with a comma
separated list of module names and add tail glob support.

That is, something like: "module:foo-*,bar" is now possible.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:12:03 +09:00
Peter Zijlstra
520b1a147d module: Add module specific symbol namespace support
Designate the "module:${modname}" symbol namespace to mean: 'only
export to the named module'.

Notably, explicit imports of anything in the "module:" space is
forbidden.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:11:56 +09:00
Peter Zijlstra
6b91ff002c modpost: Use for() loop
Slight cleanup by using a for() loop instead of while(). This makes it
clearer what is the iteration and what is the actual work done.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2025-05-25 18:00:52 +09:00
Linus Torvalds
a5806cd506 Linux 6.15-rc7 v6.15-rc7 2025-05-18 13:57:29 -07:00
Linus Torvalds
5723cc3450 Merge tag 'dmaengine-fix-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
 "This has a bunch of idxd driver fixes, dmatest revert and bunch of
  smaller driver fixes:

   - a bunch of idxd potential mem leak fixes

   - dmatest revert for waiting for interrupt fix as that causes issue

   - a couple of ti k3 udma fixes for locking and cap_mask

   - mediatek deadlock fix and unused variable cleanup fix"

* tag 'dmaengine-fix-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: mediatek: drop unused variable
  dmaengine: fsl-edma: Fix return code for unhandled interrupts
  dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status()
  dmaengine: idxd: Fix ->poll() return value
  dmaengine: idxd: Refactor remove call with idxd_cleanup() helper
  dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call
  dmaengine: idxd: fix memory leak in error handling path of idxd_pci_probe
  dmaengine: idxd: fix memory leak in error handling path of idxd_alloc
  dmaengine: idxd: Add missing cleanups in cleanup internals
  dmaengine: idxd: Add missing cleanup for early error out in idxd_setup_internals
  dmaengine: idxd: fix memory leak in error handling path of idxd_setup_groups
  dmaengine: idxd: fix memory leak in error handling path of idxd_setup_engines
  dmaengine: idxd: fix memory leak in error handling path of idxd_setup_wqs
  dmaengine: ptdma: Move variable condition check to the first place and remove redundancy
  dmaengine: idxd: Fix allowing write() from different address spaces
  dmaengine: ti: k3-udma: Add missing locking
  dmaengine: ti: k3-udma: Use cap_mask directly from dma_device structure instead of a local copy
  dmaengine: Revert "dmaengine: dmatest: Fix dmatest waiting less when interrupted"
  dmaengine: idxd: cdev: Fix uninitialized use of sva in idxd_cdev_open
2025-05-17 12:53:39 -07:00
Linus Torvalds
21eeefe769 Merge tag 'phy-fixes-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
 "A bunch of renesas fixes and few smaller fixes in other drivers:

   - Rensas fixes for unbind ole detection, irq, locking etc

   - tegra fixes for error handling at init and UTMI power states and
     stray unlock fix

   - rockchip missing assignment and pll output fixes

   - startfive usb host detection fixes"

* tag 'phy-fixes-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
  phy: Fix error handling in tegra_xusb_port_init
  phy: renesas: rcar-gen3-usb2: Set timing registers only once
  phy: renesas: rcar-gen3-usb2: Assert PLL reset on PHY power off
  phy: renesas: rcar-gen3-usb2: Lock around hardware registers and driver data
  phy: renesas: rcar-gen3-usb2: Move IRQ request in probe
  phy: renesas: rcar-gen3-usb2: Fix role detection on unbind/bind
  phy: tegra: xusb: remove a stray unlock
  phy: phy-rockchip-samsung-hdptx: Fix PHY PLL output 50.25MHz error
  phy: starfive: jh7110-usb: Fix USB 2.0 host occasional detection failure
  phy: rockchip-samsung-dcphy: Add missing assignment
  phy: can-transceiver: Re-instate "mux-states" property presence check
  phy: qcom-qmp-ufs: check for mode type for phy setting
  phy: tegra: xusb: Use a bitmask for UTMI pad power state tracking
2025-05-17 12:49:47 -07:00
Linus Torvalds
6aa6f8ca08 Merge tag 'soundwire-6.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fix from Vinod Koul:

 - Fix for irq domain creation race in the core

* tag 'soundwire-6.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: bus: Fix race on the creation of the IRQ domain
2025-05-17 12:04:19 -07:00
Linus Torvalds
e72e784fb1 Merge tag 'mm-hotfixes-stable-2025-05-17-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
 "Nine singleton hotfixes, all MM.  Four are cc:stable"

* tag 'mm-hotfixes-stable-2025-05-17-09-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: userfaultfd: correct dirty flags set for both present and swap pte
  zsmalloc: don't underflow size calculation in zs_obj_write()
  mm/page_alloc: fix race condition in unaccepted memory handling
  mm/page_alloc: ensure try_alloc_pages() plays well with unaccepted memory
  MAINTAINERS: add mm GUP section
  mm/codetag: move tag retrieval back upfront in __free_pages()
  mm/memory: fix mapcount / refcount sanity check for mTHP reuse
  kernel/fork: only call untrack_pfn_clear() on VMAs duplicated for fork()
  mm: hugetlb: fix incorrect fallback for subpool
2025-05-17 10:56:52 -07:00
Linus Torvalds
205b2bd793 Merge tag 'irq-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc irqchip driver fixes from Ingo Molnar:

 - Remove the MSI_CHIP_FLAG_SET_ACK flag from 5 irqchip drivers
   that did not require it

 - Fix IRQ handling delays in the riscv-imsic irqchip driver

* tag 'irq-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/riscv-imsic: Start local sync timer on correct CPU
  irqchip: Drop MSI_CHIP_FLAG_SET_ACK from unsuspecting MSI drivers
2025-05-17 09:02:11 -07:00
Linus Torvalds
56b2b1fc90 Merge tag 'x86-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:

 - Fix SEV-SNP kdump bugs

 - Update the email address of Alexey Makhalov in MAINTAINERS

 - Add the CPU feature flag for the Zen6 microarchitecture

 - Fix typo in system message

* tag 'x86-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Remove duplicated word in warning message
  x86/CPU/AMD: Add X86_FEATURE_ZEN6
  x86/sev: Make sure pages are not skipped during kdump
  x86/sev: Do not touch VMSA pages during SNP guest memory kdump
  MAINTAINERS: Update Alexey Makhalov's email address
  x86/sev: Fix operator precedence in GHCB_MSR_VMPL_REQ_LEVEL macro
2025-05-17 08:43:51 -07:00
Linus Torvalds
4bcaa59009 Merge tag 'perf-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event fix from Ingo Molnar:
 "Fix PEBS-via-PT crash"

* tag 'perf-urgent-2025-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel: Fix segfault with PEBS-via-PT with sample_freq
2025-05-17 08:38:11 -07:00
Linus Torvalds
c586c97dd8 Merge tag 'loongarch-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
 "Fix some bugs in kernel-fpu, cpu idle function, hibernation and
  uprobes"

* tag 'loongarch-fixes-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: uprobes: Remove redundant code about resume_era
  LoongArch: uprobes: Remove user_{en,dis}able_single_step()
  LoongArch: Save and restore CSR.CNTC for hibernation
  LoongArch: Move __arch_cpu_idle() to .cpuidle.text section
  LoongArch: Fix MAX_REG_OFFSET calculation
  LoongArch: Prevent cond_resched() occurring within kernel-fpu
2025-05-17 07:48:25 -07:00
Linus Torvalds
a1317e1cb2 Merge tag 'i2c-for-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:

 - designware: cleanup properly on probe failure

* tag 'i2c-for-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: designware: Fix an error handling path in i2c_dw_pci_probe()
2025-05-17 07:46:42 -07:00
Wolfram Sang
6c72fc56ab Merge tag 'i2c-host-fixes-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc7

- designware: cleanup properly on probe failure
2025-05-17 10:22:34 +02:00
Linus Torvalds
172a9d9433 Merge tag '6.15-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:

 - Fix memory leak in mkdir error path

 - Fix max rsize miscalculation after channel reconnect

* tag '6.15-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: client: fix zero rsize error messages
  smb: client: fix memory leak during error handling for POSIX mkdir
2025-05-16 18:02:41 -07:00
Linus Torvalds
12b6c62c03 Merge tag 'drm-fixes-2025-05-17' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
 "Weekly drm fixes, I'll be honest and say I think this is larger than
  I'd prefer at this point, the main blow out point is that xe has two
  larger fixes.

  One is a fix for active context utilisation reporting, it's for a
  reported regression and will end up in stable anyways, so I don't see
  any point in holding it up.

  The second is a fix for mixed cpu/gpu atomics, which are currently
  broken, but are also not something your average desktop/laptop user is
  going to hit in normal operation, and having them fixed now is better
  than threading them through stable later.

  Other than those, it's mostly the usual, a bunch of amdgpu randoms and
  a few other minor fixes.

  dma-buf:
   - Avoid memory reordering in fence handling

  meson:
   - Avoid integer overflow in mode-clock calculations

  panel-mipi-dbi:
   - Fix output with drm_client_setup_with_fourcc()

  amdgpu:
   - Fix CSA unmap
   - Fix MALL size reporting on GFX11.5
   - AUX fix
   - DCN 3.5 fix
   - VRR fix
   - DP MST fix
   - DML 2.1 fixes
   - Silence DP AUX spam
   - DCN 4.0.1 cursor fix
   - VCN 4.0.5 fix

  ivpu:
   - Fix buffer size in debugfs code

  gpuvm:
   - Add timeslicing and allocation restriction for SVM

  xe:
   - Fix shrinker debugfs name
   - Add HW workaround to Xe2
   - Fix SVM when mixing GPU and CPU atomics
   - Fix per client engine utilization due to active contexts not saving
     timestamp with lite restore enabled"

* tag 'drm-fixes-2025-05-17' of https://gitlab.freedesktop.org/drm/kernel: (24 commits)
  drm/xe: Add WA BB to capture active context utilization
  drm/xe: Save the gt pointer in lrc and drop the tile
  drm/xe: Save CTX_TIMESTAMP mmio value instead of LRC value
  drm/xe: Timeslice GPU on atomic SVM fault
  drm/gpusvm: Add timeslicing support to GPU SVM
  drm/xe: Strict migration policy for atomic SVM faults
  drm/gpusvm: Introduce devmem_only flag for allocation
  drm/xe/xe2hpg: Add Wa_22021007897
  drm/amdgpu: read back register after written for VCN v4.0.5
  Revert "drm/amd/display: Hardware cursor changes color when switched to software cursor"
  dma-buf: insert memory barrier before updating num_fences
  drm/xe: Fix the gem shrinker name
  drm/amd/display: Avoid flooding unnecessary info messages
  drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp
  drm/amd/display: check stream id dml21 wrapper to get plane_id
  drm/amd/display: fix link_set_dpms_off multi-display MST corner case
  drm/amd/display: Defer BW-optimization-blocked DRR adjustments
  Revert: "drm/amd/display: Enable urgent latency adjustment on DCN35"
  drm/amd/display: Correct the reply value when AUX write incomplete
  drm/amdgpu: fix incorrect MALL size for GFX1151
  ...
2025-05-16 16:07:39 -07:00
Linus Torvalds
450d2f6e88 Merge tag 'nfs-for-6.15-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:

 - NFS: Fix a couple of missed handlers for the ENETDOWN and ENETUNREACH
   transport errors

 - NFS: Handle Oopsable failure of nfs_get_lock_context in the unlock
   path

 - NFSv4: Fix a race in nfs_local_open_fh()

 - NFSv4/pNFS: Fix a couple of layout segment leaks in layoutreturn

 - NFSv4/pNFS Avoid sharing pNFS DS connections between net namespaces
   since IP addresses are not guaranteed to refer to the same nodes

 - NFS: Don't flush file data while holding multiple directory locks in
   nfs_rename()

* tag 'nfs-for-6.15-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: Avoid flushing data while holding directory locks in nfs_rename()
  NFS/pnfs: Fix the error path in pnfs_layoutreturn_retry_later_locked()
  NFSv4/pnfs: Reset the layout state after a layoutreturn
  NFS/localio: Fix a race in nfs_local_open_fh()
  nfs: nfs3acl: drop useless assignment in nfs3_get_acl()
  nfs: direct: drop useless initializer in nfs_direct_write_completion()
  nfs: move the nfs4_data_server_cache into struct nfs_net
  nfs: don't share pNFS DS connections between net namespaces
  nfs: handle failure of nfs_get_lock_context in unlock path
  pNFS/flexfiles: Record the RPC errors in the I/O tracepoints
  NFSv4/pnfs: Layoutreturn on close must handle fatal networking errors
  NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors
2025-05-16 14:29:12 -07:00
Trond Myklebust
dcd21b609d NFS: Avoid flushing data while holding directory locks in nfs_rename()
The Linux client assumes that all filehandles are non-volatile for
renames within the same directory (otherwise sillyrename cannot work).
However, the existence of the Linux 'subtree_check' export option has
meant that nfs_rename() has always assumed it needs to flush writes
before attempting to rename.

Since NFSv4 does allow the client to query whether or not the server
exhibits this behaviour, and since knfsd does actually set the
appropriate flag when 'subtree_check' is enabled on an export, it
should be OK to optimise away the write flushing behaviour in the cases
where it is clearly not needed.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2025-05-16 22:31:35 +02:00
Trond Myklebust
28511504f3 NFS/pnfs: Fix the error path in pnfs_layoutreturn_retry_later_locked()
If there isn't a valid layout, or the layout stateid has changed, the
cleanup after a layout return should clear out the old data.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2025-05-16 22:31:35 +02:00
Trond Myklebust
6d6d7f91cc NFSv4/pnfs: Reset the layout state after a layoutreturn
If there are still layout segments in the layout plh_return_lsegs list
after a layout return, we should be resetting the state to ensure they
eventually get returned as well.

Fixes: 68f744797e ("pNFS: Do not free layout segments that are marked for return")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2025-05-16 22:31:35 +02:00
Linus Torvalds
83a896549f Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
 "Fix to zone block devices to make the maximum segment count match what
  the block layer is capable of"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sd_zbc: block: Respect bio vector limits for REPORT ZONES buffer
2025-05-16 10:28:22 -07:00
Linus Torvalds
6462c247b2 Merge tag 'block-6.15-20250515' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
      - fixes for atomic writes (Alan Adamson)
      - fixes for polled CQs in nvmet-epf (Damien Le Moal)
      - fix for polled CQs in nvme-pci (Keith Busch)
      - fix compile on odd configs that need to be forced to inline
        (Kees Cook)
      - one more quirk (Ilya Guterman)

 - Fix for missing allocation of an integrity buffer for some cases

 - Fix for a regression with ublk command cancelation

* tag 'block-6.15-20250515' of git://git.kernel.dk/linux:
  ublk: fix dead loop when canceling io command
  nvme-pci: add NVME_QUIRK_NO_DEEPEST_PS quirk for SOLIDIGM P44 Pro
  nvme: all namespaces in a subsystem must adhere to a common atomic write size
  nvme: multipath: enable BLK_FEAT_ATOMIC_WRITES for multipathing
  nvmet: pci-epf: remove NVMET_PCI_EPF_Q_IS_SQ
  nvmet: pci-epf: improve debug message
  nvmet: pci-epf: cleanup nvmet_pci_epf_raise_irq()
  nvmet: pci-epf: do not fall back to using INTX if not supported
  nvmet: pci-epf: clear completion queue IRQ flag on delete
  nvme-pci: acquire cq_poll_lock in nvme_poll_irqdisable
  nvme-pci: make nvme_pci_npages_prp() __always_inline
  block: always allocate integrity buffer when required
2025-05-16 10:21:25 -07:00
Linus Torvalds
e2661da1b3 Merge tag 'io_uring-6.15-20250515' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:

 - Fix a regression with highmem and mapping of regions, where
   the coalescing code assumes any page is directly mapped

 - Fix an issue with HYBRID_IOPOLL and passthrough commands,
   where the timer wasn't always setup correctly

 - Fix an issue with fdinfo not correctly locking around reading
   the rings, which can be an issue if the ring is being resized
   at the same time

* tag 'io_uring-6.15-20250515' of git://git.kernel.dk/linux:
  io_uring/fdinfo: grab ctx->uring_lock around io_uring_show_fdinfo()
  io_uring/memmap: don't use page_address() on a highmem page
  io_uring/uring_cmd: fix hybrid polling initialization issue
2025-05-16 09:59:24 -07:00
Linus Torvalds
1524cb2830 Merge tag 'xfs-fixes-6.15-rc7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
 "This includes a bug fix for a possible data corruption vector on the
  zoned allocator garbage collector"

* tag 'xfs-fixes-6.15-rc7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: Fix comment on xfs_trans_ail_update_bulk()
  xfs: Fix a comment on xfs_ail_delete
  xfs: Fail remount with noattr2 on a v5 with v4 enabled
  xfs: fix zoned GC data corruption due to wrong bv_offset
  xfs: free up mp->m_free[0].count in error case
2025-05-16 09:51:49 -07:00
Linus Torvalds
3c21441eef Merge tag 'acpi-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
 "Fix ACPI PPTT parsing code to address a regression introduced recently
  and add more sanity checking of data supplied by the platform firmware
  to avoid using invalid data (Jeremy Linton)"

* tag 'acpi-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: PPTT: Fix processor subtable walk
2025-05-16 09:40:07 -07:00
Linus Torvalds
bd8bb9f38a Merge tag 'spi-fix-v6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
 "A few small driver specific fixes, the most substantial one being the
  Tegra one which fixes spurious errors with default delays for chip
  select hold times"

* tag 'spi-fix-v6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: spi-sun4i: fix early activation
  spi: tegra114: Use value to check for invalid delays
  spi: loopback-test: Do not split 1024-byte hexdumps
2025-05-16 09:24:54 -07:00
Linus Torvalds
8303d1ad77 Merge tag 'regulator-fix-v6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
 "This fixes an invalid memory access in the MAX20086 driver which could
  occur during error handling for failed probe due to a hidden use of
  devres in the core DT parsing code"

* tag 'regulator-fix-v6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: max20086: fix invalid memory access
2025-05-16 09:19:37 -07:00
Linus Torvalds
7dc774fde7 Merge tag 'gpio-fixes-for-v6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:

 - fix an interrupt storm on system wake-up in gpio-pca953x

 - fix an out-of-bounds write in gpio-virtuser

 - update MAINTAINERS with an entry for the sloppy logic analyzer

* tag 'gpio-fixes-for-v6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: virtuser: fix potential out-of-bound write
  gpio: pca953x: fix IRQ storm on system wake up
  MAINTAINERS: add me as maintainer for the gpio sloppy logic analyzer
2025-05-16 09:13:51 -07:00
Linus Torvalds
04811c3eb6 Merge tag 'sound-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
 "A handful small fixes. The only significant change is the fix for MIDI
  2.0 UMP handling in ALSA sequencer, but as MIDI 2.0 stuff is still new
  and rarely used, the impact should be pretty limited.

  Other than that, quirks for USB-audio and a few cosmetic fixes and
  changes in drivers that should be safe to apply"

* tag 'sound-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Add sample rate quirk for Microdia JP001 USB Camera
  ALSA: es1968: Add error handling for snd_pcm_hw_constraint_pow2()
  ALSA: sh: SND_AICA should depend on SH_DMA_API
  ALSA: usb-audio: Add sample rate quirk for Audioengine D1
  ALSA: ump: Fix a typo of snd_ump_stream_msg_device_info
  ALSA/hda: intel-sdw-acpi: Correct sdw_intel_acpi_scan() function parameter
  ALSA: seq: Fix delivery of UMP events to group ports
2025-05-16 09:06:12 -07:00
Lukas Bulwahn
0368091374 x86/mm: Remove duplicated word in warning message
Commit bbeb69ce30 ("x86/mm: Remove CONFIG_HIGHMEM64G support") introduces
a new warning message MSG_HIGHMEM_TRIMMED, which accidentally introduces a
duplicated 'for for' in the warning message.

Remove this duplicated word.

This was noticed while reviewing for references to obsolete kernel build
config options.

Fixes: bbeb69ce30 ("x86/mm: Remove CONFIG_HIGHMEM64G support")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-janitors@vger.kernel.org
Link: https://lore.kernel.org/r/20250516090810.556623-1-lukas.bulwahn@redhat.com
2025-05-16 11:16:52 +02:00
Dave Airlie
c81dbc490b Merge tag 'drm-xe-fixes-2025-05-15-1' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Core Changes:
- Add timeslicing and allocation restriction for SVM

Driver Changes:
- Fix shrinker debugfs name
- Add HW workaround to Xe2
- Fix SVM when mixing GPU and CPU atomics
- Fix per client engine utilization due to active contexts
  not saving timestamp with lite restore enabled.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/qil4scyn6ucnt43u5ju64bi7r7n5r36k4pz5rsh2maz7isle6g@lac3jpsjrrvs
2025-05-16 11:21:35 +10:00
Dave Airlie
f7bf6bdbf0 Merge tag 'drm-misc-fixes-2025-05-15' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:

dma-buf:
- Avoid memory reordering in fence handling

ivpu:
- Fix buffer size in debugfs code

meson:
- Avoid integer overflow in mode-clock calculations

panel-mipi-dbi:
- Fix output with drm_client_setup_with_fourcc()

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250515125534.GA41174@linux.fritz.box
2025-05-16 10:57:28 +10:00
Dave Airlie
34f7151d99 Merge tag 'amd-drm-fixes-6.15-2025-05-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.15-2025-05-14:

amdgpu:
- Fix CSA unmap
- Fix MALL size reporting on GFX11.5
- AUX fix
- DCN 3.5 fix
- VRR fix
- DP MST fix
- DML 2.1 fixes
- Silence DP AUX spam
- DCN 4.0.1 cursor fix
- VCN 4.0.5 fix

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250514185117.758496-1-alexander.deucher@amd.com
2025-05-16 09:07:40 +10:00
Linus Torvalds
fee3e843b3 Merge tag 'bcachefs-2025-05-15' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
 "The main user reported ones are:

   - Fix a btree iterator locking inconsistency that's been causing us
     to go emergency read-only in evacuate: "Fix broken btree_path lock
     invariants in next_node()"

   - Minor btree node cache reclaim tweak that should help with OOMs:
     don't set btree nodes as accessed on fill

   - Fix a bch2_bkey_clear_rebalance() issue that was causing rebalance
     to do needless work"

* tag 'bcachefs-2025-05-15' of git://evilpiepirate.org/bcachefs:
  bcachefs: fix wrong arg to fsck_err()
  bcachefs: Fix missing commit in backpointer to missing target
  bcachefs: Fix accidental O(n^2) in fiemap
  bcachefs: Fix set_should_be_locked() call in peek_slot()
  bcachefs: Fix self deadlock
  bcachefs: Don't set btree nodes as accessed on fill
  bcachefs: Fix livelock in journal_entry_open()
  bcachefs: Fix broken btree_path lock invariants in next_node()
  bcachefs: Don't strip rebalance_opts from indirect extents
2025-05-15 14:20:48 -07:00
Linus Torvalds
4d0be1aa26 Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
 "Four small fixes for crashes:

   - Double free in rxe

   - UAF in irdma from early freeing the rf

   - Off by one undoing the IRQ allocations during error unwind in irdma

   - Another race with device rename and uevent generation. uevents
     accesses the struct device name and UAF when it is changed"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem
  ice, irdma: fix an off by one in error handling code
  irdma: free iwdev->rf after removing MSI-X
  RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
2025-05-15 12:26:09 -07:00
Linus Torvalds
f1f2797f8a Merge tag 'landlock-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fixes from Mickaël Salaün:
 "This fixes a KUnit issue, simplifies code, and adds new tests"

* tag 'landlock-6.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  landlock: Improve bit operations in audit code
  landlock: Remove KUnit test that triggers a warning
2025-05-15 11:04:36 -07:00