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io_pages_unmap() is a bit tricky in trying to figure whether the pages
were previously vmap'ed or not. In particular If there is juts one page
it belives there is no need to vunmap. Paired io_pages_map(), however,
could've failed io_mem_alloc_compound() and attempted to
io_mem_alloc_single(), which does vmap, and that leads to unpaired vmap.
The solution is to fail if io_mem_alloc_compound() can't allocate a
single page. That's the easiest way to deal with it, and those two
functions are getting removed soon, so no need to overcomplicate it.
Cc: stable@vger.kernel.org
Fixes: 3ab1db3c6039e ("io_uring: get rid of remap_pfn_range() for mapping rings/sqes")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/477e75a3907a2fe83249e49c0a92cd480b2c60e0.1732569842.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- structure optimization of few bus structures and header updates
- support for 2.0 disco spec
- amd driver updates for acp revision, refactoring code and support for
acp6.3
- soft reset support for cadence driver
* tag 'soundwire-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (24 commits)
soundwire: Minor formatting fixups in sdw.h header
soundwire: Update the includes on the sdw.h header
soundwire: cadence: clear MCP BLOCK_WAKEUP in init
soundwire: cadence: add soft-reset on startup
soundwire: intel_auxdevice: add kernel parameter for mclk divider
soundwire: mipi-disco: add support for DP0/DPn 'lane-list' property
soundwire: mipi-disco: add new properties from 2.0 spec
soundwire: mipi-disco: add comment on DP0-supported property
soundwire: mipi-disco: add support for peripheral channelprepare timeout
soundwire: mipi_disco: add support for clock-scales property
soundwire: mipi-disco: add error handling for property array read
soundwire: mipi-disco: remove DPn audio-modes
soundwire: optimize sdw_dpn_prop
soundwire: optimize sdw_dp0_prop
soundwire: optimize sdw_slave_prop
soundwire: optimize sdw_bus structure
soundwire: optimize sdw_master_prop
soundwire: optimize sdw_stream_runtime memory layout
soundwire: mipi_disco: add MIPI-specific property_read_bool() helpers
soundwire: Correct some typos in comments
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New hardware support:
- ST STM32MP25 combophy support
- Sparx5 support for lan969x serdes and updates to driver to support
this
- NXP PTN3222 eUSB2 to USB2 redriver
- Qualcomm SAR2130P eusb2 support, QCS8300 USB DW3 and QMP USB2
support, X1E80100 QMP PCIe PHY Gen4 support, QCS615 and QCS8300 QMP
UFS PHY support and SA8775P eDP PHY support
- Rockchip rk3576 usbdp and rk3576 usb2 phy support
- Binding for Microchip ATA6561 can phy
Updates:
- Freescale driver updates from hdmi support
- Conversion of rockchip rk3228 hdmi phy binding to yaml
- Broadcom usb2-phy deprecated support dropped and USB init array
update for BCM4908
- TI USXGMII mode support in J7200
- Switch back to platform_driver::remove() subsystem update"
* tag 'phy-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (59 commits)
phy: qcom: qmp: Fix lecacy-legacy typo
phy: lan969x-serdes: add support for lan969x serdes driver
dt-bindings: phy: sparx5: document lan969x
phy: sparx5-serdes: add support for branching on chip type
phy: sparx5-serdes: add indirection layer to register macros
phy: sparx5-serdes: add function for getting the CMU index
phy: sparx5-serdes: add ops to match data
phy: sparx5-serdes: add constant for the number of CMU's
phy: sparx5-serdes: add constants to match data
phy: sparx5-serdes: add support for private match data
phy: bcm-ns-usb2: drop support for old binding variant
dt-bindings: phy: bcm-ns-usb2-phy: drop deprecated variant
dt-bindings: phy: Add QMP UFS PHY compatible for QCS8300
dt-bindings: phy: qcom: snps-eusb2: Add SAR2130P compatible
dt-bindings: phy: ti,tcan104x-can: Document Microchip ATA6561
phy: airoha: Fix REG_CSR_2L_RX{0,1}_REV0 definitions
phy: airoha: Fix REG_CSR_2L_JCPLL_SDM_HREN config in airoha_pcie_phy_init_ssc_jcpll()
phy: airoha: Fix REG_PCIE_PMA_TX_RESET config in airoha_pcie_phy_init_csr_2l()
phy: airoha: Fix REG_CSR_2L_PLL_CMN_RESERVE0 config in airoha_pcie_phy_init_clk_out()
phy: phy-rockchip-samsung-hdptx: Don't request RST_PHY/RST_ROPLL/RST_LCPLL
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New hardware support:
- Qualcomm SAR2130P GPI dma support
- Sifive PIC64GX pdma support
- Rcar r7s72100 support and associated updates
Updates:
- STM32 DMA3 updates for packing/unpacking mode and prevention of
additional xfers
- Simplification of devm_acpi_dma_controller_register() and associate
cleanup including headers
- loongson prefix renames
- Switch back to platform_driver::remove() subsystem update"
* tag 'dmaengine-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: loongson2-apb: Rename the prefix ls2x to loongson2
dt-bindings: dma: sifive pdma: Add PIC64GX to compatibles
dmaengine: fix typo in the comment
dmaengine: stm32-dma3: clamp AXI burst using match data
dmaengine: stm32-dma3: prevent LL refactoring thanks to DT configuration
dt-bindings: dma: stm32-dma3: prevent additional transfers
dmaengine: stm32-dma3: refactor HW linked-list to optimize memory accesses
dmaengine: stm32-dma3: prevent pack/unpack thanks to DT configuration
dt-bindings: dma: stm32-dma3: prevent packing/unpacking mode
dmaengine: idxd: Move DSA/IAA device IDs to IDXD driver
dt-bindings: dma: qcom,gpi: Add SAR2130P compatible
dmaengine: Switch back to struct platform_driver::remove()
dmaengine: ep93xx: Fix unsigned compared against 0
dmaengine: acpi: Clean up headers
dmaengine: acpi: Simplify devm_acpi_dma_controller_register()
dmaengine: acpi: Drop unused devm_acpi_dma_controller_free()
dmaengine: sh: rz-dmac: add r7s72100 support
dt-bindings: dma: rz-dmac: Document RZ/A1H SoC
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Apart from the gpio-exar fix which addresses an older issue, they all
fix regressions from this release cycle:
- fix missing GPIO chip labels in gpio-zevio and gpio-altera
- for the latter: also set GPIO base to -1 to use dynamic range
allocation
- fix value setting with external pull-up/down resistor in gpio-exar
- use the recommended IDA interfaces in gpio-mpsse"
* tag 'gpio-fixes-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mpsse: Remove usage of the deprecated ida_simple_xx() API
gpio: exar: set value when external pull-up or pull-down is present
gpio: altera: Add missed base and label initialisations
gpio: zevio: Add missed label initialisation
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Pull virtio updates from Michael Tsirkin:
"A small number of improvements all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_vdpa: remove redundant check on desc
virtio_fs: store actual queue index in mq_map
virtio_fs: add informative log for new tag discovery
virtio: Make vring_new_virtqueue support packed vring
virtio_pmem: Add freeze/restore callbacks
vdpa/mlx5: Fix suboptimal range on iotlb iteration
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Pull VFIO updates from Alex Williamson:
- Constify an unmodified structure used in linking vfio and kvm
(Christophe JAILLET)
- Add ID for an additional hardware SKU supported by the nvgrace-gpu
vfio-pci variant driver (Ankit Agrawal)
- Fix incorrect signed cast in QAT vfio-pci variant driver, negating
test in check_add_overflow(), though still caught by later tests
(Giovanni Cabiddu)
- Additional debugfs attributes exposed in hisi_acc vfio-pci variant
driver for migration debugging (Longfang Liu)
- Migration support is added to the virtio vfio-pci variant driver,
becoming the primary feature of the driver while retaining emulation
of virtio legacy support as a secondary option (Yishai Hadas)
- Fixes to a few unwind flows in the mlx5 vfio-pci driver discovered
through reviews of the virtio variant driver (Yishai Hadas)
- Fix an unlikely issue where a PCI device exposed to userspace with an
unknown capability at the base of the extended capability chain can
overflow an array index (Avihai Horon)
* tag 'vfio-v6.13-rc1' of https://github.com/awilliam/linux-vfio:
vfio/pci: Properly hide first-in-list PCIe extended capability
vfio/mlx5: Fix unwind flows in mlx5vf_pci_save/resume_device_data()
vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()
vfio/virtio: Enable live migration once VIRTIO_PCI was configured
vfio/virtio: Add PRE_COPY support for live migration
vfio/virtio: Add support for the basic live migration functionality
virtio-pci: Introduce APIs to execute device parts admin commands
virtio: Manage device and driver capabilities via the admin commands
virtio: Extend the admin command to include the result size
virtio_pci: Introduce device parts access commands
Documentation: add debugfs description for hisi migration
hisi_acc_vfio_pci: register debugfs for hisilicon migration driver
hisi_acc_vfio_pci: create subfunction for data reading
hisi_acc_vfio_pci: extract public functions for container_of
vfio/qat: fix overflow check in qat_vf_resume_write()
vfio/nvgrace-gpu: Add a new GH200 SKU to the devid table
kvm/vfio: Constify struct kvm_device_ops
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-v updates from Palmer Dabbelt:
- Support for pointer masking in userspace
- Support for probing vector misaligned access performance
- Support for qspinlock on systems with Zacas and Zabha
* tag 'riscv-for-linus-6.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (38 commits)
RISC-V: Remove unnecessary include from compat.h
riscv: Fix default misaligned access trap
riscv: Add qspinlock support
dt-bindings: riscv: Add Ziccrse ISA extension description
riscv: Add ISA extension parsing for Ziccrse
asm-generic: ticket-lock: Add separate ticket-lock.h
asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock
riscv: Implement xchg8/16() using Zabha
riscv: Implement arch_cmpxchg128() using Zacas
riscv: Improve zacas fully-ordered cmpxchg()
riscv: Implement cmpxchg8/16() using Zabha
dt-bindings: riscv: Add Zabha ISA extension description
riscv: Implement cmpxchg32/64() using Zacas
riscv: Do not fail to build on byte/halfword operations with Zawrs
riscv: Move cpufeature.h macros into their own header
KVM: riscv: selftests: Add Smnpm and Ssnpm to get-reg-list test
RISC-V: KVM: Allow Smnpm and Ssnpm extensions for guests
riscv: hwprobe: Export the Supm ISA extension
riscv: selftests: Add a pointer masking test
riscv: Allow ptrace control of the tagged address ABI
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Fix build failure with GCC 15 due to default -std=gnu23
- Add PREEMPT_RT/PREEMPT_LAZY support
- Add I2S in DTS for Loongson-2K1000/Loongson-2K2000
- Some bug fixes and other small changes
* tag 'loongarch-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Update Loongson-3 default config file
LoongArch: dts: Add I2S support to Loongson-2K2000
LoongArch: dts: Add I2S support to Loongson-2K1000
LoongArch: Allow to enable PREEMPT_LAZY
LoongArch: Allow to enable PREEMPT_RT
LoongArch: Select HAVE_POSIX_CPU_TIMERS_TASK_WORK
LoongArch: Fix sleeping in atomic context for PREEMPT_RT
LoongArch: Reduce min_delta for the arch clockevent device
LoongArch: BPF: Sign-extend return values
LoongArch: Fix build failure with GCC 15 (-std=gnu23)
LoongArch: Explicitly specify code model in Makefile
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
- replace hardcoded strings with str_on_off() in report_meminit()
- initialize reserved pages to MIGRATE_MOVABLE when deferred struct
page initialization is enabled so that if the reserved pages are
freed they are put on movable free lists like it is done now when
deferred struct page initialization is disabled
* tag 'memblock-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: uniformly initialize all reserved pages to MIGRATE_MOVABLE
mm: Use str_on_off() helper function in report_meminit()
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git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull modules updates from Luis Chamberlain:
- The whole caching of module code into huge pages by Mike Rapoport is
going in through Andrew Morton's tree due to some other code
dependencies. That's really the biggest highlight for Linux kernel
modules in this release. With it we share huge pages for modules,
starting off with x86. Expect to see that soon through Andrew!
- Helge Deller addressed some lingering low hanging fruit alignment
enhancements by. It is worth pointing out that from his old patch
series I dropped his vmlinux.lds.h change at Masahiro's request as he
would prefer this to be specified in asm code [0].
[0] https://lore.kernel.org/all/20240129192644.3359978-5-mcgrof@kernel.org/T/#m9efef5e700fbecd28b7afb462c15eed8ba78ef5a
- Matthew Maurer and Sami Tolvanen have been tag teaming to help get us
closer to a modversions for Rust. In this cycle we take in quite a
lot of the refactoring for ELF validation. I expect modversions for
Rust will be merged by v6.14 as that code is mostly ready now.
- Adds a new modules selftests: kallsyms which helps us tests
find_symbol() and the limits of kallsyms on Linux today.
- We have a realtime mailing list to kernel-ci testing for modules now
which relies and combines patchwork, kpd and kdevops:
https://patchwork.kernel.org/project/linux-modules/list/
https://github.com/linux-kdevops/kdevops/blob/main/docs/kernel-ci/README.md
https://github.com/linux-kdevops/kdevops/blob/main/docs/kernel-ci/kernel-ci-kpd.md
https://github.com/linux-kdevops/kdevops/blob/main/docs/kernel-ci/linux-modules-kdevops-ci.md
If you want to help avoid Linux kernel modules regressions, now its
simple, just add a new Linux modules sefltests under
tools/testing/selftests/module/ That is it. All new selftests will be
used and leveraged automatically by the CI.
* tag 'modules-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
tests/module/gen_test_kallsyms.sh: use 0 value for variables
scripts: Remove export_report.pl
selftests: kallsyms: add MODULE_DESCRIPTION
selftests: add new kallsyms selftests
module: Reformat struct for code style
module: Additional validation in elf_validity_cache_strtab
module: Factor out elf_validity_cache_strtab
module: Group section index calculations together
module: Factor out elf_validity_cache_index_str
module: Factor out elf_validity_cache_index_sym
module: Factor out elf_validity_cache_index_mod
module: Factor out elf_validity_cache_index_info
module: Factor out elf_validity_cache_secstrings
module: Factor out elf_validity_cache_sechdrs
module: Factor out elf_validity_ehdr
module: Take const arg in validate_section_offset
modules: Add missing entry for __ex_table
modules: Ensure 64-bit alignment on __ksymtab_* sections
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Merge updates of Intel int3400 thermal driver for 6.13-rc1:
- Remove the data_vault attribute_group from int3400 because it is only
used for exposing one binary file that can be exposed directly (Thomas
Weißschuh).
- Prevent the current_uuid sysfs attribute in int3400 from mistakenly
treating valid UUID values as invalid on some older systems (Srinivas
Pandruvada).
* thermal-intel:
thermal: int3400: Remove unneeded data_vault attribute_group
thermal: int3400: Fix reading of current_uuid for active policy
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Merge miscellaneous ACPI changes and x86-specific ACPI updates for
6.13-rc1:
- Introduce acpi_arch_init() for architecture-specific ACPI subsystem
initialization (Miao Wang).
- Clean up Asus quirks in acpi_quirk_skip_dmi_ids[] and add a quirk
to skip I2C clients on Acer Iconia One 8 A1-840 (Hans de Goede).
* acpi-misc:
ACPI: introduce acpi_arch_init()
* acpi-x86:
ACPI: x86: Clean up Asus entries in acpi_quirk_skip_dmi_ids[]
ACPI: x86: Add skip i2c clients quirk for Acer Iconia One 8 A1-840
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Merge OPP (Operating Performance Points) changes for 6.13-rc1:
- Describe opp-supported-hw property for ti-cpu (Dhruva Gole).
- Remove unused declarations from the OPP header file (Zhang Zekun).
* pm-opp:
dt-bindings: opp: operating-points-v2-ti-cpu: Describe opp-supported-hw
OPP: Remove unused declarations in header file
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KVM/riscv changes for 6.13 part #2
- Svade and Svadu extension support for Host and Guest/VM
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux into HEAD
RISC-V Paches for the 6.13 Merge Window, Part 1
* Support for pointer masking in userspace,
* Support for probing vector misaligned access performance.
* Support for qspinlock on systems with Zacas and Zabha.
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix a few iomap bugs
- Fix a wrong argument in backing file callback
- Fix security mount option retrieval in statmount()
- Cleanup how statmount() handles unescaped options
- Add a missing inode_owner_or_capable() check for setting write hints
- Clear the return value in read_kcore_iter() after a successful
iov_iter_zero()
- Fix a mount_setattr() selftest
- Fix function signature in mount api documentation
- Remove duplicate include header in the fscache code
* tag 'vfs-6.13-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs/backing_file: fix wrong argument in callback
fs_parser: update mount_api doc to match function signature
fs: require inode_owner_or_capable for F_SET_RW_HINT
fs/proc/kcore.c: Clear ret value in read_kcore_iter after successful iov_iter_zero
statmount: fix security option retrieval
statmount: clean up unescaped option handling
fscache: Remove duplicate included header
iomap: elide flush from partial eof zero range
iomap: lift zeroed mapping handling into iomap_zero_range()
iomap: reset per-iter state on non-error iter advances
iomap: warn on zero range of a post-eof folio
selftests/mount_setattr: Fix failures on 64K PAGE_SIZE kernels
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull deny_write_access revert from Christian Brauner:
"It turns out that the mold linker relies on the deny_write_access()
mechanism for executables.
The mold linker tries to open a file for writing and if ETXTBSY is
returned mold falls back to creating a new file"
* tag 'vfs-6.13.exec.deny_write_access.revert' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Revert "fs: don't block i_writecount during exec"
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21MES00B00
New ThinkPads need new quirk entries. Ilya has tested this one.
Laptop product id is 21MES00B00, though the shorthand 21ME works.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219533
Cc: stable@vger.kernel.org
Signed-off-by: Ilya Zverev <ilya@zverev.info>
Link: https://patch.msgid.link/20241127134420.14471-1-ilya@zverev.info
Signed-off-by: Mark Brown <broonie@kernel.org>
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Commit 8a13897fb0daa ("mm: userfaultfd: support UFFDIO_POISON for
hugetlbfs") added support for PTE_MARKER_POISONED for hugetlbfs, but
PTE_MARKER also needs support for swap entries. For s390, swap entries
were only supported on PTE level, not on the PMD/PUD levels that are used
for large hugetlbfs mappings.
Therefore, when writing a PTE_MARKER_POISONED entry, the resulting entry
on PMD/PUD level would be an invalid / empty entry. Further access would
then generate a pagefault loop, instead of the expected SIGBUS. It is a
loop inside the kernel, but interruptible and uffd fault handling also
calls schedule() in between, so at least it won't completely block the
system.
Previous commits prepared support for swap entries on PMD/PUD levels.
PTE_MARKER support for hugetlbfs can now be enabled by simply adding an
extra is_pte_marker() check to huge_pte_none_mostly(). Fault handling
code also needs to be adjusted to expect the VM_FAULT_HWPOISON_LARGE
fault flag, which was not possible on s390 before.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Introduce region-third (PUD) and segment table (PMD) swap entries, and
make hugetlbfs RSTE <-> PTE conversion code aware of them, so that they
can be used for hugetlbfs PTE_MARKER entries. Future work could also
build on this to enable THP_SWAP and THP_MIGRATION for s390.
Similar to PTE swap entries, bits 0-51 can be used to store the swap
offset, but bits 57-61 cannot be used for swap type because that overlaps
with the INVALID and TABLE TYPE bits. PMD/PUD swap entries must be invalid,
and have a correct table type so that pud_folded() check still works.
Bits 53-57 can be used for swap type, but those include the PROTECT bit.
So unlike swap PTEs, the PROTECT bit cannot be used to mark the swap entry.
Use the "Common-Segment/Region" bit 59 instead for that.
Also remove the !MACHINE_HAS_NX check in __set_huge_pte_at(). Otherwise,
that would clear the _SEGMENT_ENTRY_NOEXEC bit also for swap entries, where
it is used for encoding the swap type. The architecture only requires this
bit to be 0 for PTEs, with !MACHINE_HAS_NX, not for segment or region-third
entries. And the check is also redundant, because after __pte_to_rste()
conversion, for non-swap PTEs it would only be set if it was already set in
the PTE, which should never be the case for !MACHINE_HAS_NX.
This is a prerequisite for hugetlbfs PTE_MARKER support on s390, which
is needed to fix a regression introduced with commit 8a13897fb0da
("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs"). That commit
depends on the availability of swap entries for hugetlbfs, which were
not available for s390 so far.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Introduce region-third and segment table entry present SW bits, and adjust
pmd/pud_present() accordingly.
Also add pmd/pud_present() checks to pmd/pud_leaf(), to return false for
future swap entries. Same logic applies to pmd_trans_huge(), make that
return pmd_leaf() instead of duplicating the same check.
huge_pte_offset() also needs to be adjusted, current code would return
NULL for !pud_present(). Use the same logic as in the generic version,
which allows for !pud_present() swap entries.
Similar to PTE, bit 63 can be used for the new SW present bit in region
and segment table entries. For segment-table entries (PMD) the architecture
says that "Bits 62-63 are available for programming", so they are safe to
use. The same is true for large leaf region-third-table entries (PUD).
However, for non-leaf region-third-table entries, bits 62-63 indicate the
TABLE LENGTH and both must be set to 1. But such entries would always be
considered as present, so it is safe to use bit 63 as PRESENT bit for PUD.
They also should not conflict with bit 62 potentially later used for
preserving SOFT_DIRTY in swap entries, because they are not swap entries.
Valid PMDs / PUDs should always have the present bit set, so add it to
the various pgprot defines, and also _SEGMENT_ENTRY which is OR'ed e.g.
in pmd_populate(). _REGION3_ENTRY wouldn't need any change, as the present
bit is already included in the TABLE LENGTH, but also explicitly add it
there, for completeness, and just in case the bit would ever be changed.
gmap code needs some adjustment, to also OR the _SEGMENT_ENTRY, like it
is already done gmap_shadow_pgt() when creating new PMDs, but not in
__gmap_link(). Otherwise, the gmap PMDs would not be considered present,
e.g. when using pmd_leaf() checks in gmap code. The various WARN_ON
checks in gmap code also need adjustment, to tolerate the new present
bit.
This is a prerequisite for hugetlbfs PTE_MARKER support on s390, which
is needed to fix a regression introduced with commit 8a13897fb0da
("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs"). That commit
depends on the availability of swap entries for hugetlbfs, which were
not available for s390 so far.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Rearrange region-third and segment table entry SW bits, in order to
make room for future encoding of region/segment table swap entries.
Also adjust _SEGMENT_ENTRY_GMAP_UC and _SEGMENT_ENTRY_GMAP_IN bits in
gmap code. Those should only apply for gmap PMDs, and not really depend
on or conflict with host PMD bits, but for consistency also adjust them:
- _SEGMENT_ENTRY_GMAP_UC "dirty (migration)" was using the same bit as
_SEGMENT_ENTRY_SOFT_DIRTY in the host PMD -> make it use the new
SOFT_DIRTY bit 63 (0x0002)
- _SEGMENT_ENTRY_GMAP_IN "invalidation notify bit" was using 0x8000,
which was an unused bit in the host PMD, that is now used for
_SEGMENT_ENTRY_WRITE -> make it use bit 52 (0x0800) instead, which is
still unused in the host PMD
This is a prerequisite for hugetlbfs PTE_MARKER support on s390, which
is needed to fix a regression introduced with commit 8a13897fb0da
("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs"). That commit
depends on the availability of swap entries for hugetlbfs, which were
not available for s390 so far.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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kvm_s390_update_topology_change_report() modifies a single bit within
sca_utility using cmpxchg(). Given that the size of the sca_utility union
is two bytes this generates very inefficient code. Change the size to four
bytes, so better code can be generated.
Even though the size of sca_utility doesn't reflect architecture anymore
this seems to be the easiest and most pragmatic approach to avoid
inefficient code.
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20241126102515.3178914-4-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Within sca_clear_ext_call() cmpxchg() is used to clear one or two bytes
(depending on sca format). The cmpxchg() calls are not supposed to fail; if
so that would be a bug. Given that cmpxchg() usage on one and two byte
areas generates very inefficient code, replace them with block concurrent
WRITE_ONCE() calls, and remove the WARN_ON().
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20241126102515.3178914-3-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Convert all cmpxchg() loops to try_cmpxchg() loops. With gcc 14 and the
usage of flag output operands in try_cmpxchg() this allows the compiler to
generate slightly better code.
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20241126102515.3178914-2-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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The result of xchg() is not used, and in addition it is used on a one byte
memory area which leads to inefficient code.
Use WRITE_ONCE() instead to achieve the same result with much less
generated code.
Acked-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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This reverts commit 2a010c41285345da60cece35575b4e0af7e7bf44.
Rui Ueyama <rui314@gmail.com> writes:
> I'm the creator and the maintainer of the mold linker
> (https://github.com/rui314/mold). Recently, we discovered that mold
> started causing process crashes in certain situations due to a change
> in the Linux kernel. Here are the details:
>
> - In general, overwriting an existing file is much faster than
> creating an empty file and writing to it on Linux, so mold attempts to
> reuse an existing executable file if it exists.
>
> - If a program is running, opening the executable file for writing
> previously failed with ETXTBSY. If that happens, mold falls back to
> creating a new file.
>
> - However, the Linux kernel recently changed the behavior so that
> writing to an executable file is now always permitted
> (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2a010c412853).
>
> That caused mold to write to an executable file even if there's a
> process running that file. Since changes to mmap'ed files are
> immediately visible to other processes, any processes running that
> file would almost certainly crash in a very mysterious way.
> Identifying the cause of these random crashes took us a few days.
>
> Rejecting writes to an executable file that is currently running is a
> well-known behavior, and Linux had operated that way for a very long
> time. So, I don’t believe relying on this behavior was our mistake;
> rather, I see this as a regression in the Linux kernel.
Quoting myself from commit 2a010c412853 ("fs: don't block i_writecount during exec")
> Yes, someone in userspace could potentially be relying on this. It's not
> completely out of the realm of possibility but let's find out if that's
> actually the case and not guess.
It seems we found out that someone is relying on this obscure behavior.
So revert the change.
Link: https://github.com/rui314/mold/issues/1361
Link: https://lore.kernel.org/r/4a2bc207-76be-4715-8e12-7fc45a76a125@leemhuis.info
Cc: <stable@vger.kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Intel SoundWire machine driver always uses Pin number 2 and above.
Currently, the pin number is used as the FW DAI index directly. As a
result, FW DAI 0 and 1 are never used. That worked fine because we use
up to 2 DAIs in a SDW link. Convert the topology pin index to ALH dai
index, the mapping is using 2-off indexing, iow, pin #2 is ALH dai #0.
The issue exists since beginning. And the Fixes tag is the first commit
that this commit can be applied.
Fixes: b66bfc3a9810 ("ASoC: SOF: sof-audio: Fix broken early bclk feature for SSP")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20241127092955.20026-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy
Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero
length, and only gets populated with the dummy struct after the card is
registered. Since the sound card driver's probe happens before the card
registration, accessing any of the members of a dummy component during
probe will result in undefined behavior.
This can be observed in the mt8188 and mt8195 machine sound drivers. By
omitting a dai link subnode in the sound card's node in the Devicetree,
the default uninitialized dummy codec is used, and when its dai_name
pointer gets passed to strcmp() it results in a null pointer dereference
and a kernel panic.
In addition to that, set_card_codec_info() in the generic helpers file,
mtk-soundcard-driver.c, will populate a dai link with a dummy codec when
a dai link node is present in DT but with no codec property.
The result is that at probe time, a dummy codec can either be
uninitialized with num_codecs = 0, or be an initialized dummy codec,
with num_codecs = 1 and dai_name = "snd-soc-dummy-dai". In order to
accommodate for both situations, check that num_codecs is not zero
before accessing the codecs' fields but still check for the codec's dai
name against "snd-soc-dummy-dai" as needed.
While at it, also drop the check that dai_name is not null in the mt8192
driver, introduced in commit 4d4e1b6319e5 ("ASoC: mediatek: mt8192:
Check existence of dai_name before dereferencing"), as it is actually
redundant given the preceding num_codecs != 0 check.
Fixes: 13f58267cda3 ("ASoC: soc.h: don't create dummy Component via COMP_DUMMY()")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Fei Shao <fshao@chromium.org>
Acked-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://patch.msgid.link/20241126-asoc-mtk-dummy-panic-v1-1-42d53e168d2e@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add condition check to register ACP PDM sound card by reading
_WOV acpi entry.
Fixes: 5426f506b584 ("ASoC: amd: Add support for enabling DMIC on acp6x via _DSD")
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20241127112227.227106-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch fixes a coding style issue in the alignment of parameters
in the function i2c_smbus_write_bytes(). It replaces spaces with tabs for
alignment, as per the coding style guidelines.
Signed-off-by: Liam Zuiderhoek <zuiderhoekl@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Instead of having them all available, mark them all as "fail-needs-probe"
and have the implementation try to probe which one is present.
Also remove the shared resource workaround by moving the pinctrl entry
for the trackpad interrupt line back into the individual trackpad nodes.
Cc: <stable+noautosel@kernel.org> # Needs accompanying new driver to work
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Some devices are designed and manufactured with some components having
multiple drop-in replacement options. These components are often
connected to the mainboard via ribbon cables, having the same signals
and pin assignments across all options. These may include the display
panel and touchscreen on laptops and tablets, and the trackpad on
laptops. Sometimes which component option is used in a particular device
can be detected by some firmware provided identifier, other times that
information is not available, and the kernel has to try to probe each
device.
This change attempts to make the "probe each device" case cleaner. The
current approach is to have all options added and enabled in the device
tree. The kernel would then bind each device and run each driver's probe
function. This works, but has been broken before due to the introduction
of asynchronous probing, causing multiple instances requesting "shared"
resources, such as pinmuxes, GPIO pins, interrupt lines, at the same
time, with only one instance succeeding. Work arounds for these include
moving the pinmux to the parent I2C controller, using GPIO hogs or
pinmux settings to keep the GPIO pins in some fixed configuration, and
requesting the interrupt line very late. Such configurations can be seen
on the MT8183 Krane Chromebook tablets, and the Qualcomm sc8280xp-based
Lenovo Thinkpad 13S.
Instead of this delicate dance between drivers and device tree quirks,
this change introduces a simple I2C component prober. For any given
class of devices on the same I2C bus, it will go through all of them,
doing a simple I2C read transfer and see which one of them responds.
It will then enable the device that responds.
This requires some minor modifications in the existing device tree.
The status for all the device nodes for the component options must be
set to "fail-needs-probe". This makes it clear that some mechanism is
needed to enable one of them, and also prevents the prober and device
drivers running at the same time.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Add GPIO support to the simple helpers for the I2C OF component prober.
Components that the prober intends to probe likely require their
regulator supplies be enabled, and GPIOs be toggled to enable them or
bring them out of reset before they will respond to probe attempts.
Regulator supplies were handled in the previous patch.
The assumption is that the same class of components to be probed are
always connected in the same fashion with the same regulator supply
and GPIO. The names may vary due to binding differences, but the
physical layout does not change.
This supports at most one GPIO pin. The user must specify the GPIO name,
the polarity, and the amount of time to wait after the GPIO is toggled.
Devices with more than one GPIO pin likely require specific power
sequencing beyond what generic code can easily support.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Add helpers to do regulator management for the I2C OF component prober.
Components that the prober intends to probe likely require their
regulator supplies be enabled, and GPIOs be toggled to enable them or
bring them out of reset before they will respond to probe attempts.
GPIOs will be handled in the next patch.
The assumption is that the same class of components to be probed are
always connected in the same fashion with the same regulator supply
and GPIO. The names may vary due to binding differences, but the
physical layout does not change.
This set of helpers supports at most one regulator supply. The user
must specify the node from which the supply is retrieved. The supply
name and the amount of time to wait after the supply is enabled are
also given by the user.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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|
Some devices are designed and manufactured with some components having
multiple drop-in replacement options. These components are often
connected to the mainboard via ribbon cables, having the same signals
and pin assignments across all options. These may include the display
panel and touchscreen on laptops and tablets, and the trackpad on
laptops. Sometimes which component option is used in a particular device
can be detected by some firmware provided identifier, other times that
information is not available, and the kernel has to try to probe each
device.
This change attempts to make the "probe each device" case cleaner. The
current approach is to have all options added and enabled in the device
tree. The kernel would then bind each device and run each driver's probe
function. This works, but has been broken before due to the introduction
of asynchronous probing, causing multiple instances requesting "shared"
resources, such as pinmuxes, GPIO pins, interrupt lines, at the same
time, with only one instance succeeding. Work arounds for these include
moving the pinmux to the parent I2C controller, using GPIO hogs or
pinmux settings to keep the GPIO pins in some fixed configuration, and
requesting the interrupt line very late. Such configurations can be seen
on the MT8183 Krane Chromebook tablets, and the Qualcomm sc8280xp-based
Lenovo Thinkpad 13S.
Instead of this delicate dance between drivers and device tree quirks,
this change introduces a simple I2C component probe function. For a
given class of devices on the same I2C bus, it will go through all of
them, doing a simple I2C read transfer and see which one of them responds.
It will then enable the device that responds.
This requires some minor modifications in the existing device tree. The
status for all the device nodes for the component options must be set
to "fail-needs-probe". This makes it clear that some mechanism is
needed to enable one of them, and also prevents the prober and device
drivers running at the same time.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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There are cases where drivers would go through child device nodes and
operate on only the ones whose node name starts with a given prefix.
Provide a helper for these users. This will mainly be used in a
subsequent patch that implements a hardware component prober for I2C
busses.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Add a helper function to add string property updates to an OF changeset.
This is similar to of_changeset_add_prop_string(), but instead of adding
the property (and failing if it exists), it will update the property.
This shall be used later in the DT hardware prober.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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The m1.0 field of UMP Function Block info specifies whether the given
FB is a MIDI 1.0 port or not. When implementing the UMP support on
Linux, I somehow interpreted as if it were bit flags, but the field is
actually an enumeration from 0 to 2, where 2 means MIDI 1.0 *and* low
speed.
This patch corrects the interpretation and sets the right bit flags
depending on the m1.0 field of FB Info. This effectively fixes the
missing detection of MIDI 1.0 FB when m1.0 is 2.
Fixes: 37e0e14128e0 ("ALSA: ump: Support UMP Endpoint and Function Block parsing")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20241127070059.8099-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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kunit_kzalloc() may return a NULL pointer, dereferencing it without
NULL check may lead to NULL dereference.
Add NULL checks for all the kunit_kzalloc() in sound_kunit.c
Fixes: 3e39acf56ede ("ALSA: core: Add sound core KUnit test")
Signed-off-by: Zichen Xie <zichenxie0106@gmail.com>
Link: https://patch.msgid.link/20241126192448.12645-1-zichenxie0106@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Avoid leaking a tcon ref when a lease break races with opening the
cached directory. Processing the leak break might take a reference to
the tcon in cached_dir_lease_break() and then fail to release the ref in
cached_dir_offload_close, since cfid->tcon is still NULL.
Fixes: ebe98f1447bb ("cifs: enable caching of directories for which a lease is held")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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On some powermacs `escc` nodes are missing `#size-cells` properties,
which is deprecated and now triggers a warning at boot since commit
045b14ca5c36 ("of: WARN on deprecated #address-cells/#size-cells
handling").
For example:
Missing '#size-cells' in /pci@f2000000/mac-io@c/escc@13000
WARNING: CPU: 0 PID: 0 at drivers/of/base.c:133 of_bus_n_size_cells+0x98/0x108
Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
...
Call Trace:
of_bus_n_size_cells+0x98/0x108 (unreliable)
of_bus_default_count_cells+0x40/0x60
__of_get_address+0xc8/0x21c
__of_address_to_resource+0x5c/0x228
pmz_init_port+0x5c/0x2ec
pmz_probe.isra.0+0x144/0x1e4
pmz_console_init+0x10/0x48
console_init+0xcc/0x138
start_kernel+0x5c4/0x694
As powermacs boot via prom_init it's possible to add the missing
properties to the device tree during boot, avoiding the warning. Note
that `escc-legacy` nodes are also missing `#size-cells` properties, but
they are skipped by the macio driver, so leave them alone.
Depends-on: 045b14ca5c36 ("of: WARN on deprecated #address-cells/#size-cells handling")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241126025710.591683-1-mpe@ellerman.id.au
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Fix errors during `make htmldocs`, eg:
Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu:2: ERROR: Unexpected indentation.
Fixes: 4ae0b32ecee7 ("docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Document sysfs event format entries for vpa_pmu")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20241120171302.2053439c@canb.auug.org.au/
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241124103006.2236073-1-mpe@ellerman.id.au
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The header files linux/mem_encrypt.h is included twice in svm.c,
so one inclusion of each can be removed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=11750
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241107010259.46308-1-yang.lee@linux.alibaba.com
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The variable name "prop" is inadvertently used twice in
ima_match_rules(), resulting in incorrect use of the local
variable when the function parameter should have been.
Rename the local variable and correct the use of the parameter.
Suggested-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: Roberto Sassu <roberto.sassu@huawei.com>
[PM: subj tweak, Roberto's ACK]
Signed-off-by: Paul Moore <paul@paul-moore.com>
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the kernel test robot reports a C23 extension
warning: label followed by a declaration is a C23 extension
[-Wc23-extensions]
696 | struct aa_profile *new_profile = NULL;
Instead of adding a null statement creating a C99 style inline var
declaration lift the label declaration out of the block so that it no
longer immediatedly follows the label.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202411101808.AI8YG6cs-lkp@intel.com/
Fixes: ee650b3820f3 ("apparmor: properly handle cx/px lookup failure for complain")
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The wording of 'scrubbing environment' implied that all environment
variables would be removed, when instead secure-execution mode only
removes a small number of environment variables. This patch updates the
wording to describe what actually occurs instead: setting AT_SECURE for
ld.so's secure-execution mode.
Link: https://gitlab.com/apparmor/apparmor/-/merge_requests/1315 is a
merge request that does similar updating for apparmor userspace.
Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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The macros for label combination XXX_comb are no longer used and there
are no plans to use them so remove the dead code.
Signed-off-by: John Johansen <john.johansen@canonical.com>
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In the macro definition of next_comb(), a parameter L1 is accepted,
but it is not used. Hence, it should be removed.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
|
