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2154 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
7f2ff7b626 |
misc: Constify amba_id table
pcc: cleanup and refactoring of shmem and irq handling qcom: add MSM8226 compatible fsl,mu: add i.MX94 compatible core: misc rejig of header includes minor const fixes mediatek: remove cl in struct cmdq_pkt tegra: define dimensioning masks in SoC data -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAmfohkwACgkQf9lkf8eY P5UzGBAAjQLoHWxsQeaBu3iWKOlp4oCNOiDNZDnRc1h3eOtyk3UTxe58AHMs4egv aC76zW7Op3e2JhJ5Rw+G6nfg++l+wdU0x6Wa8hT9W9UCMZGcjYQZ/AUbeKLBTcrC oGCoUxA/XCeFMFxVQbZWAs0Zt8t0JBWMxzgv6bChKHMGwdd1j7/9mnor3VJSWWGz ESoWNnzp9leABPW/rund7Gv05MGxVv6j2AuQF5S90GE3JBUBck4Wh0qQDAxylf6v Z6ap+GZn1c+X26MfXSE5FRe/wefs94050/WrYDCmkHbgYf7kfaxjfD+WKd9mH3JW hYvCSwHA8raDI6F8J01Q/BP+0lD7Ixh7Ko3HLCDly30HNPNQnApCMOoGLi0P7BSd KZAnlwqvYen+9i3mh217OFwXNEa97Q9GRrBIIMhPleJLnweXR7A1KmMTHj0TaKPV FxlnPYunH37MDyipTd9Ml2kXpiTfQtTgS7zfceYoNyn7q74g3wUToxqmoN/cn33v 6hg7XKOKaIWWmM1I6it2r/F0psnLWgh60RSblsN9lMo48Rq89tU1wLAnhdwEOzoL 6C/zi8Q6cJ+5wxRROfjkSmEtcKftbKX+e/xzUtNQSqiWojAY9p88VtA1mAY3990T xVgHlPxy8bh1GN16DZ9BGO/qTUpfjIwFhuzucpAF2Oj3cDd2Or8= =Jii1 -----END PGP SIGNATURE----- Merge tag 'mailbox-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox Pull mailbox updates from Jassi Brar: "Core: - misc rejig of header includes - minor const fixes Misc: - constify amba_id table pcc: - cleanup and refactoring of shmem and irq handling qcom: - add MSM8226 compatible fsl,mu: - add i.MX94 compatible mediatek: - remove cl in struct cmdq_pkt tegra: - define dimensioning masks in SoC data" * tag 'mailbox-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: (25 commits) mailbox: Remove unneeded semicolon mailbox: pcc: Refactor and simplify check_and_ack() mailbox: pcc: Always map the shared memory communication address mailbox: pcc: Refactor error handling in irq handler into separate function mailbox: pcc: Use acpi_os_ioremap() instead of ioremap() mailbox: pcc: Return early if no GAS register from pcc_mbox_cmd_complete_check mailbox: pcc: Drop unnecessary endianness conversion of pcc_hdr.flags mailbox: pcc: Always clear the platform ack interrupt first mailbox: pcc: Fix the possible race in updation of chan_in_use flag dt-bindings: mailbox: qcom: add compatible for MSM8226 SoC dt-bindings: mailbox: fsl,mu: Add i.MX94 compatible MAINTAINERS: add mailbox API's tree type and location mailbox: remove unused header files mailbox: explicitly include <linux/bits.h> mailbox: sort headers alphabetically mailbox: don't protect of_parse_phandle_with_args with con_mutex mailbox: use error ret code of of_parse_phandle_with_args() mailbox: arm_mhuv2: Constify amba_id table mailbox: arm_mhu_db: Constify amba_id table mailbox: arm_mhu: Constify amba_id table ... |
||
|
Stuart Yoder
|
6a45754803 |
ACPICA: Add start method for ARM FF-A
Add TPM start method for ARM FF-A defined in the TCG ACPI specification v1.4. See: https://trustedcomputinggroup.org/wp-content/uploads/TCG-ACPI-Specification-Version-1.4-Revision-15_pub.pdf [jarkko: 1. Fine-tuned the commit message. 2. Added link to the TCG ACPI specification.] Link: https://github.com/acpica/acpica/pull/1000 Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Stuart Yoder <stuart.yoder@arm.com> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
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Sudeep Holla
|
fa362ffafa |
mailbox: pcc: Always map the shared memory communication address
Currently the shared memory communication address was mapped by the mailbox client drivers leading to all sorts of inconsistencies. It also has resulted in the inconsistent attributes used while mapping the shared memory regions. In order to remove/eliminate any issues, let us ensures the shared memory address is always mapped and unmapped when the PCC channels are requested and release. We need to map them as the ACPI PCCT associates these shared memory with each channel subspace and may need use the status or the flags in the headers of those shared memory communication address regions to manage the transport/channel. Note, until all the drivers using PCC start using this mapped shmem, there might be double mapping of the shared memory address. This shouldn't have any impact on existing mbox client drivers. Since there are no users of pcc_chan_ioremap() and also it is mapped by default, we can stop exporting it and merge the functionality into pcc_mbox_request_channel(). Acked-by: Huisong Li <lihuisong@huawei.com> Tested-by: Huisong Li <lihuisong@huawei.com> Tested-by: Adam Young <admiyo@os.amperecomputing.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com> |
||
|
Sudeep Holla
|
29237e6df4 |
mailbox: pcc: Drop unnecessary endianness conversion of pcc_hdr.flags
The Sparse static checker flags a type mismatch warning related to endianness conversion: | warning: incorrect type in argument 1 (different base types) | expected restricted __le32 const [usertype] *p | got unsigned int * This is because an explicit endianness conversion (le32_to_cpu()) was applied unnecessarily to a pcc_hdr.flags field that is already in little-endian format. The PCC driver is only enabled on little-endian kernels due to its dependency on ACPI and EFI, making the explicit conversion unnecessary. The redundant conversion occurs in pcc_chan_check_and_ack() for the pcc_hdr.flags field. Drop this unnecessary endianness conversion of pcc_hdr.flags. Also drop the redundant PCC_ACK_FLAG_MASK definition and use the more appropriate and already defined PCC_CMD_COMPLETION_NOTIFY. Acked-by: Huisong Li <lihuisong@huawei.com> Tested-by: Adam Young <admiyo@os.amperecomputing.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com> |
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Josh Poimboeuf
|
4e32645cd8 |
x86/smp: Fix mwait_play_dead() and acpi_processor_ffh_play_dead() noreturn behavior
Fix some related issues (done in a single patch to avoid introducing
intermediate bisect warnings):
1) The SMP version of mwait_play_dead() doesn't return, but its
!SMP counterpart does. Make its calling behavior consistent by
resolving the !SMP version to a BUG(). It should never be called
anyway, this just enforces that at runtime and enables its callers
to be marked as __noreturn.
2) While the SMP definition of mwait_play_dead() is annotated as
__noreturn, the declaration isn't. Nor is it listed in
tools/objtool/noreturns.h. Fix that.
3) Similar to #1, the SMP version of acpi_processor_ffh_play_dead()
doesn't return but its !SMP counterpart does. Make the !SMP
version a BUG(). It should never be called.
4) acpi_processor_ffh_play_dead() doesn't return, but is lacking any
__noreturn annotations. Fix that.
This fixes the following objtool warnings:
vmlinux.o: warning: objtool: acpi_processor_ffh_play_dead+0x67: mwait_play_dead() is missing a __noreturn annotation
vmlinux.o: warning: objtool: acpi_idle_play_dead+0x3c: acpi_processor_ffh_play_dead() is missing a __noreturn annotation
Fixes: a7dd183f0b38 ("x86/smp: Allow calling mwait_play_dead with an arbitrary hint")
Fixes: 541ddf31e300 ("ACPI/processor_idle: Add FFH state handling")
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/e885c6fa9e96a61471b33e48c2162d28b15b14c5.1740962711.git.jpoimboe@kernel.org
|
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Patryk Wlazlyn
|
541ddf31e3 |
ACPI/processor_idle: Add FFH state handling
Recent Intel platforms will depend on the idle driver to pass the correct hint for playing dead via mwait_play_dead_with_hint(). Expand the existing enter_dead interface with handling for FFH states and pass the MWAIT hint to the mwait_play_dead code. Suggested-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/all/20250205155211.329780-3-artem.bityutskiy%40linux.intel.com |
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Linus Torvalds
|
9ff28f2fad |
LoongArch changes for v6.14
1, Migrate to the generic rule for built-in DTB;
2, Disable FIX_EARLYCON_MEM when ARCH_IOREMAP is enabled;
3, Derive timer max_delta from PRCFG1's timer_bits;
4, Correct the cacheinfo sharing information;
5, Add pgprot_nx() implementation;
6, Add debugfs entries to switch SFB/TSO state;
7, Change the maximum number of watchpoints;
8, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Migrate to the generic rule for built-in DTB
- Disable FIX_EARLYCON_MEM when ARCH_IOREMAP is enabled
- Derive timer max_delta from PRCFG1's timer_bits
- Correct the cacheinfo sharing information
- Add pgprot_nx() implementation
- Add debugfs entries to switch SFB/TSO state
- Change the maximum number of watchpoints
- Some bug fixes and other small changes
* tag 'loongarch-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Extend the maximum number of watchpoints
LoongArch: Change 8 to 14 for LOONGARCH_MAX_{BRP,WRP}
LoongArch: Add debugfs entries to switch SFB/TSO state
LoongArch: Fix warnings during S3 suspend
LoongArch: Adjust SETUP_SLEEP and SETUP_WAKEUP
LoongArch: Refactor bug_handler() implementation
LoongArch: Add pgprot_nx() implementation
LoongArch: Correct the __switch_to() prototype in comments
LoongArch: Correct the cacheinfo sharing information
LoongArch: Derive timer max_delta from PRCFG1's timer_bits
LoongArch: Disable FIX_EARLYCON_MEM when ARCH_IOREMAP is enabled
LoongArch: Migrate to the generic rule for built-in DTB
|
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Linus Torvalds
|
9c5968db9e |
The various patchsets are summarized below. Plus of course many
indivudual patches which are described in their changelogs.
- "Allocate and free frozen pages" from Matthew Wilcox reorganizes the
page allocator so we end up with the ability to allocate and free
zero-refcount pages. So that callers (ie, slab) can avoid a refcount
inc & dec.
- "Support large folios for tmpfs" from Baolin Wang teaches tmpfs to use
large folios other than PMD-sized ones.
- "Fix mm/rodata_test" from Petr Tesarik performs some maintenance and
fixes for this small built-in kernel selftest.
- "mas_anode_descend() related cleanup" from Wei Yang tidies up part of
the mapletree code.
- "mm: fix format issues and param types" from Keren Sun implements a
few minor code cleanups.
- "simplify split calculation" from Wei Yang provides a few fixes and a
test for the mapletree code.
- "mm/vma: make more mmap logic userland testable" from Lorenzo Stoakes
continues the work of moving vma-related code into the (relatively) new
mm/vma.c.
- "mm/page_alloc: gfp flags cleanups for alloc_contig_*()" from David
Hildenbrand cleans up and rationalizes handling of gfp flags in the page
allocator.
- "readahead: Reintroduce fix for improper RA window sizing" from Jan
Kara is a second attempt at fixing a readahead window sizing issue. It
should reduce the amount of unnecessary reading.
- "synchronously scan and reclaim empty user PTE pages" from Qi Zheng
addresses an issue where "huge" amounts of pte pagetables are
accumulated
(https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/).
Qi's series addresses this windup by synchronously freeing PTE memory
within the context of madvise(MADV_DONTNEED).
- "selftest/mm: Remove warnings found by adding compiler flags" from
Muhammad Usama Anjum fixes some build warnings in the selftests code
when optional compiler warnings are enabled.
- "mm: don't use __GFP_HARDWALL when migrating remote pages" from David
Hildenbrand tightens the allocator's observance of __GFP_HARDWALL.
- "pkeys kselftests improvements" from Kevin Brodsky implements various
fixes and cleanups in the MM selftests code, mainly pertaining to the
pkeys tests.
- "mm/damon: add sample modules" from SeongJae Park enhances DAMON to
estimate application working set size.
- "memcg/hugetlb: Rework memcg hugetlb charging" from Joshua Hahn
provides some cleanups to memcg's hugetlb charging logic.
- "mm/swap_cgroup: remove global swap cgroup lock" from Kairui Song
removes the global swap cgroup lock. A speedup of 10% for a tmpfs-based
kernel build was demonstrated.
- "zram: split page type read/write handling" from Sergey Senozhatsky
has several fixes and cleaups for zram in the area of zram_write_page().
A watchdog softlockup warning was eliminated.
- "move pagetable_*_dtor() to __tlb_remove_table()" from Kevin Brodsky
cleans up the pagetable destructor implementations. A rare
use-after-free race is fixed.
- "mm/debug: introduce and use VM_WARN_ON_VMG()" from Lorenzo Stoakes
simplifies and cleans up the debugging code in the VMA merging logic.
- "Account page tables at all levels" from Kevin Brodsky cleans up and
regularizes the pagetable ctor/dtor handling. This results in
improvements in accounting accuracy.
- "mm/damon: replace most damon_callback usages in sysfs with new core
functions" from SeongJae Park cleans up and generalizes DAMON's sysfs
file interface logic.
- "mm/damon: enable page level properties based monitoring" from
SeongJae Park increases the amount of information which is presented in
response to DAMOS actions.
- "mm/damon: remove DAMON debugfs interface" from SeongJae Park removes
DAMON's long-deprecated debugfs interfaces. Thus the migration to sysfs
is completed.
- "mm/hugetlb: Refactor hugetlb allocation resv accounting" from Peter
Xu cleans up and generalizes the hugetlb reservation accounting.
- "mm: alloc_pages_bulk: small API refactor" from Luiz Capitulino
removes a never-used feature of the alloc_pages_bulk() interface.
- "mm/damon: extend DAMOS filters for inclusion" from SeongJae Park
extends DAMOS filters to support not only exclusion (rejecting), but
also inclusion (allowing) behavior.
- "Add zpdesc memory descriptor for zswap.zpool" from Alex Shi
"introduces a new memory descriptor for zswap.zpool that currently
overlaps with struct page for now. This is part of the effort to reduce
the size of struct page and to enable dynamic allocation of memory
descriptors."
- "mm, swap: rework of swap allocator locks" from Kairui Song redoes and
simplifies the swap allocator locking. A speedup of 400% was
demonstrated for one workload. As was a 35% reduction for kernel build
time with swap-on-zram.
- "mm: update mips to use do_mmap(), make mmap_region() internal" from
Lorenzo Stoakes reworks MIPS's use of mmap_region() so that
mmap_region() can be made MM-internal.
- "mm/mglru: performance optimizations" from Yu Zhao fixes a few MGLRU
regressions and otherwise improves MGLRU performance.
- "Docs/mm/damon: add tuning guide and misc updates" from SeongJae Park
updates DAMON documentation.
- "Cleanup for memfd_create()" from Isaac Manjarres does that thing.
- "mm: hugetlb+THP folio and migration cleanups" from David Hildenbrand
provides various cleanups in the areas of hugetlb folios, THP folios and
migration.
- "Uncached buffered IO" from Jens Axboe implements the new
RWF_DONTCACHE flag which provides synchronous dropbehind for pagecache
reading and writing. To permite userspace to address issues with
massive buildup of useless pagecache when reading/writing fast devices.
- "selftests/mm: virtual_address_range: Reduce memory" from Thomas
Weißschuh fixes and optimizes some of the MM selftests.
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Merge tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"The various patchsets are summarized below. Plus of course many
indivudual patches which are described in their changelogs.
- "Allocate and free frozen pages" from Matthew Wilcox reorganizes
the page allocator so we end up with the ability to allocate and
free zero-refcount pages. So that callers (ie, slab) can avoid a
refcount inc & dec
- "Support large folios for tmpfs" from Baolin Wang teaches tmpfs to
use large folios other than PMD-sized ones
- "Fix mm/rodata_test" from Petr Tesarik performs some maintenance
and fixes for this small built-in kernel selftest
- "mas_anode_descend() related cleanup" from Wei Yang tidies up part
of the mapletree code
- "mm: fix format issues and param types" from Keren Sun implements a
few minor code cleanups
- "simplify split calculation" from Wei Yang provides a few fixes and
a test for the mapletree code
- "mm/vma: make more mmap logic userland testable" from Lorenzo
Stoakes continues the work of moving vma-related code into the
(relatively) new mm/vma.c
- "mm/page_alloc: gfp flags cleanups for alloc_contig_*()" from David
Hildenbrand cleans up and rationalizes handling of gfp flags in the
page allocator
- "readahead: Reintroduce fix for improper RA window sizing" from Jan
Kara is a second attempt at fixing a readahead window sizing issue.
It should reduce the amount of unnecessary reading
- "synchronously scan and reclaim empty user PTE pages" from Qi Zheng
addresses an issue where "huge" amounts of pte pagetables are
accumulated:
https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/
Qi's series addresses this windup by synchronously freeing PTE
memory within the context of madvise(MADV_DONTNEED)
- "selftest/mm: Remove warnings found by adding compiler flags" from
Muhammad Usama Anjum fixes some build warnings in the selftests
code when optional compiler warnings are enabled
- "mm: don't use __GFP_HARDWALL when migrating remote pages" from
David Hildenbrand tightens the allocator's observance of
__GFP_HARDWALL
- "pkeys kselftests improvements" from Kevin Brodsky implements
various fixes and cleanups in the MM selftests code, mainly
pertaining to the pkeys tests
- "mm/damon: add sample modules" from SeongJae Park enhances DAMON to
estimate application working set size
- "memcg/hugetlb: Rework memcg hugetlb charging" from Joshua Hahn
provides some cleanups to memcg's hugetlb charging logic
- "mm/swap_cgroup: remove global swap cgroup lock" from Kairui Song
removes the global swap cgroup lock. A speedup of 10% for a
tmpfs-based kernel build was demonstrated
- "zram: split page type read/write handling" from Sergey Senozhatsky
has several fixes and cleaups for zram in the area of
zram_write_page(). A watchdog softlockup warning was eliminated
- "move pagetable_*_dtor() to __tlb_remove_table()" from Kevin
Brodsky cleans up the pagetable destructor implementations. A rare
use-after-free race is fixed
- "mm/debug: introduce and use VM_WARN_ON_VMG()" from Lorenzo Stoakes
simplifies and cleans up the debugging code in the VMA merging
logic
- "Account page tables at all levels" from Kevin Brodsky cleans up
and regularizes the pagetable ctor/dtor handling. This results in
improvements in accounting accuracy
- "mm/damon: replace most damon_callback usages in sysfs with new
core functions" from SeongJae Park cleans up and generalizes
DAMON's sysfs file interface logic
- "mm/damon: enable page level properties based monitoring" from
SeongJae Park increases the amount of information which is
presented in response to DAMOS actions
- "mm/damon: remove DAMON debugfs interface" from SeongJae Park
removes DAMON's long-deprecated debugfs interfaces. Thus the
migration to sysfs is completed
- "mm/hugetlb: Refactor hugetlb allocation resv accounting" from
Peter Xu cleans up and generalizes the hugetlb reservation
accounting
- "mm: alloc_pages_bulk: small API refactor" from Luiz Capitulino
removes a never-used feature of the alloc_pages_bulk() interface
- "mm/damon: extend DAMOS filters for inclusion" from SeongJae Park
extends DAMOS filters to support not only exclusion (rejecting),
but also inclusion (allowing) behavior
- "Add zpdesc memory descriptor for zswap.zpool" from Alex Shi
introduces a new memory descriptor for zswap.zpool that currently
overlaps with struct page for now. This is part of the effort to
reduce the size of struct page and to enable dynamic allocation of
memory descriptors
- "mm, swap: rework of swap allocator locks" from Kairui Song redoes
and simplifies the swap allocator locking. A speedup of 400% was
demonstrated for one workload. As was a 35% reduction for kernel
build time with swap-on-zram
- "mm: update mips to use do_mmap(), make mmap_region() internal"
from Lorenzo Stoakes reworks MIPS's use of mmap_region() so that
mmap_region() can be made MM-internal
- "mm/mglru: performance optimizations" from Yu Zhao fixes a few
MGLRU regressions and otherwise improves MGLRU performance
- "Docs/mm/damon: add tuning guide and misc updates" from SeongJae
Park updates DAMON documentation
- "Cleanup for memfd_create()" from Isaac Manjarres does that thing
- "mm: hugetlb+THP folio and migration cleanups" from David
Hildenbrand provides various cleanups in the areas of hugetlb
folios, THP folios and migration
- "Uncached buffered IO" from Jens Axboe implements the new
RWF_DONTCACHE flag which provides synchronous dropbehind for
pagecache reading and writing. To permite userspace to address
issues with massive buildup of useless pagecache when
reading/writing fast devices
- "selftests/mm: virtual_address_range: Reduce memory" from Thomas
Weißschuh fixes and optimizes some of the MM selftests"
* tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (321 commits)
mm/compaction: fix UBSAN shift-out-of-bounds warning
s390/mm: add missing ctor/dtor on page table upgrade
kasan: sw_tags: use str_on_off() helper in kasan_init_sw_tags()
tools: add VM_WARN_ON_VMG definition
mm/damon/core: use str_high_low() helper in damos_wmark_wait_us()
seqlock: add missing parameter documentation for raw_seqcount_try_begin()
mm/page-writeback: consolidate wb_thresh bumping logic into __wb_calc_thresh
mm/page_alloc: remove the incorrect and misleading comment
zram: remove zcomp_stream_put() from write_incompressible_page()
mm: separate move/undo parts from migrate_pages_batch()
mm/kfence: use str_write_read() helper in get_access_type()
selftests/mm/mkdirty: fix memory leak in test_uffdio_copy()
kasan: hw_tags: Use str_on_off() helper in kasan_init_hw_tags()
selftests/mm: virtual_address_range: avoid reading from VM_IO mappings
selftests/mm: vm_util: split up /proc/self/smaps parsing
selftests/mm: virtual_address_range: unmap chunks after validation
selftests/mm: virtual_address_range: mmap() without PROT_WRITE
selftests/memfd/memfd_test: fix possible NULL pointer dereference
mm: add FGP_DONTCACHE folio creation flag
mm: call filemap_fdatawrite_range_kick() after IOCB_DONTCACHE issue
...
|
||
|
Huacai Chen
|
26c0a2d93a |
LoongArch: Fix warnings during S3 suspend
The enable_gpe_wakeup() function calls acpi_enable_all_wakeup_gpes(),
and the later one may call the preempt_schedule_common() function,
resulting in a thread switch and causing the CPU to be in an interrupt
enabled state after the enable_gpe_wakeup() function returns, leading
to the warnings as follow.
[ C0] WARNING: ... at kernel/time/timekeeping.c:845 ktime_get+0xbc/0xc8
[ C0] ...
[ C0] Call Trace:
[ C0] [<90000000002243b4>] show_stack+0x64/0x188
[ C0] [<900000000164673c>] dump_stack_lvl+0x60/0x88
[ C0] [<90000000002687e4>] __warn+0x8c/0x148
[ C0] [<90000000015e9978>] report_bug+0x1c0/0x2b0
[ C0] [<90000000016478e4>] do_bp+0x204/0x3b8
[ C0] [<90000000025b1924>] exception_handlers+0x1924/0x10000
[ C0] [<9000000000343bbc>] ktime_get+0xbc/0xc8
[ C0] [<9000000000354c08>] tick_sched_timer+0x30/0xb0
[ C0] [<90000000003408e0>] __hrtimer_run_queues+0x160/0x378
[ C0] [<9000000000341f14>] hrtimer_interrupt+0x144/0x388
[ C0] [<9000000000228348>] constant_timer_interrupt+0x38/0x48
[ C0] [<90000000002feba4>] __handle_irq_event_percpu+0x64/0x1e8
[ C0] [<90000000002fed48>] handle_irq_event_percpu+0x20/0x80
[ C0] [<9000000000306b9c>] handle_percpu_irq+0x5c/0x98
[ C0] [<90000000002fd4a0>] generic_handle_domain_irq+0x30/0x48
[ C0] [<9000000000d0c7b0>] handle_cpu_irq+0x70/0xa8
[ C0] [<9000000001646b30>] handle_loongarch_irq+0x30/0x48
[ C0] [<9000000001646bc8>] do_vint+0x80/0xe0
[ C0] [<90000000002aea1c>] finish_task_switch.isra.0+0x8c/0x2a8
[ C0] [<900000000164e34c>] __schedule+0x314/0xa48
[ C0] [<900000000164ead8>] schedule+0x58/0xf0
[ C0] [<9000000000294a2c>] worker_thread+0x224/0x498
[ C0] [<900000000029d2f0>] kthread+0xf8/0x108
[ C0] [<9000000000221f28>] ret_from_kernel_thread+0xc/0xa4
[ C0]
[ C0] ---[ end trace 0000000000000000 ]---
The root cause is acpi_enable_all_wakeup_gpes() uses a mutex to protect
acpi_hw_enable_all_wakeup_gpes(), and acpi_ut_acquire_mutex() may cause
a thread switch. Since there is no longer concurrent execution during
loongarch_acpi_suspend(), we can call acpi_hw_enable_all_wakeup_gpes()
directly in enable_gpe_wakeup().
The solution is similar to commit 22db06337f590d01 ("ACPI: sleep: Avoid
breaking S3 wakeup due to might_sleep()").
Fixes: 366bb35a8e48 ("LoongArch: Add suspend (ACPI S3) support")
Signed-off-by: Qunqin Zhao <zhaoqunqin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
|
||
|
Bruno Faccini
|
63db8170bf |
mm/fake-numa: allow later numa node hotplug
Current fake-numa implementation prevents new Numa nodes to be later hot-plugged by drivers. A common symptom of this limitation is the "node <X> was absent from the node_possible_map" message by associated warning in mm/memory_hotplug.c: add_memory_resource(). This comes from the lack of remapping in both pxm_to_node_map[] and node_to_pxm_map[] tables to take fake-numa nodes into account and thus triggers collisions with original and physical nodes only-mapping that had been determined from BIOS tables. This patch fixes this by doing the necessary node-ids translation in both pxm_to_node_map[]/node_to_pxm_map[] tables. node_distance[] table has also been fixed accordingly. Details: When trying to use fake-numa feature on our system where new Numa nodes are being "hot-plugged" upon driver load, this fails with the following type of message and warning with stack : node 8 was absent from the node_possible_map WARNING: CPU: 61 PID: 4259 at mm/memory_hotplug.c:1506 add_memory_resource+0x3dc/0x418 This issue prevents the use of the fake-NUMA debug feature with the system's full configuration, when it has proven to be sometimes extremely useful for performance testing of multi-tasked, memory-bound applications, as it enables better isolation of processes/ranks compared to fat NUMA nodes. Usual numactl output after driver has “hot-plugged”/unveiled some new Numa nodes with and without memory : $ numactl --hardware available: 9 nodes (0-8) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 0 size: 490037 MB node 0 free: 484432 MB node 1 cpus: node 1 size: 97280 MB node 1 free: 97279 MB node 2 cpus: node 2 size: 0 MB node 2 free: 0 MB node 3 cpus: node 3 size: 0 MB node 3 free: 0 MB node 4 cpus: node 4 size: 0 MB node 4 free: 0 MB node 5 cpus: node 5 size: 0 MB node 5 free: 0 MB node 6 cpus: node 6 size: 0 MB node 6 free: 0 MB node 7 cpus: node 7 size: 0 MB node 7 free: 0 MB node 8 cpus: node 8 size: 0 MB node 8 free: 0 MB node distances: node 0 1 2 3 4 5 6 7 8 0: 10 80 80 80 80 80 80 80 80 1: 80 10 255 255 255 255 255 255 255 2: 80 255 10 255 255 255 255 255 255 3: 80 255 255 10 255 255 255 255 255 4: 80 255 255 255 10 255 255 255 255 5: 80 255 255 255 255 10 255 255 255 6: 80 255 255 255 255 255 10 255 255 7: 80 255 255 255 255 255 255 10 255 8: 80 255 255 255 255 255 255 255 10 With recent M.Rapoport set of fake-numa patches in mm-everything and using numa=fake=4 boot parameter : $ numactl --hardware available: 4 nodes (0-3) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 0 size: 122518 MB node 0 free: 117141 MB node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 1 size: 219911 MB node 1 free: 219751 MB node 2 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 2 size: 122599 MB node 2 free: 122541 MB node 3 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 3 size: 122479 MB node 3 free: 122408 MB node distances: node 0 1 2 3 0: 10 10 10 10 1: 10 10 10 10 2: 10 10 10 10 3: 10 10 10 10 With recent M.Rapoport set of fake-numa patches in mm-everything, this patch on top, using numa=fake=4 boot parameter : # numactl —hardware available: 12 nodes (0-11) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 0 size: 122518 MB node 0 free: 116429 MB node 1 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 1 size: 122631 MB node 1 free: 122576 MB node 2 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 2 size: 122599 MB node 2 free: 122544 MB node 3 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 node 3 size: 122479 MB node 3 free: 122419 MB node 4 cpus: node 4 size: 97280 MB node 4 free: 97279 MB node 5 cpus: node 5 size: 0 MB node 5 free: 0 MB node 6 cpus: node 6 size: 0 MB node 6 free: 0 MB node 7 cpus: node 7 size: 0 MB node 7 free: 0 MB node 8 cpus: node 8 size: 0 MB node 8 free: 0 MB node 9 cpus: node 9 size: 0 MB node 9 free: 0 MB node 10 cpus: node 10 size: 0 MB node 10 free: 0 MB node 11 cpus: node 11 size: 0 MB node 11 free: 0 MB node distances: node 0 1 2 3 4 5 6 7 8 9 10 11 0: 10 10 10 10 80 80 80 80 80 80 80 80 1: 10 10 10 10 80 80 80 80 80 80 80 80 2: 10 10 10 10 80 80 80 80 80 80 80 80 3: 10 10 10 10 80 80 80 80 80 80 80 80 4: 80 80 80 80 10 255 255 255 255 255 255 255 5: 80 80 80 80 255 10 255 255 255 255 255 255 6: 80 80 80 80 255 255 10 255 255 255 255 255 7: 80 80 80 80 255 255 255 10 255 255 255 255 8: 80 80 80 80 255 255 255 255 10 255 255 255 9: 80 80 80 80 255 255 255 255 255 10 255 255 10: 80 80 80 80 255 255 255 255 255 255 10 255 11: 80 80 80 80 255 255 255 255 255 255 255 10 Link: https://lkml.kernel.org/r/20250106120659.359610-2-bfaccini@nvidia.com Signed-off-by: Bruno Faccini <bfaccini@nvidia.com> Cc: David Hildenbrand <david@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Mike Rapoport (Microsoft) <rppt@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Ricardo Ribalda
|
78c3227c5e |
ACPI: bus: implement acpi_device_hid when !ACPI
Provide an implementation of acpi_device_hid that can be used when CONFIG_ACPI is not set. Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://patch.msgid.link/20241216-fix-ipu-v5-6-3d6b35ddce7b@chromium.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Ricardo Ribalda
|
46d10e5f9c |
ACPI: bus: implement for_each_acpi_consumer_dev when !ACPI
Provide an implementation of for_each_acpi_consumer_dev that can be use used when CONFIG_ACPI is not set. The expression `false && supplier` is used to avoid "variable not used" warnings. Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://patch.msgid.link/20241216-fix-ipu-v5-5-3d6b35ddce7b@chromium.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Ricardo Ribalda
|
34df77363d |
ACPI: bus: implement acpi_get_physical_device_location when !ACPI
Provide an implementation of acpi_get_physical_device_location that can be used when CONFIG_ACPI is not set. Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://patch.msgid.link/20241216-fix-ipu-v5-3-3d6b35ddce7b@chromium.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Ricardo Ribalda
|
e04efd34d9 |
ACPI: bus: implement for_each_acpi_dev_match when !ACPI
Provide an implementation of for_each_acpi_dev_match that can be used when CONFIG_ACPI is not set. The condition `false && hid && uid && hrv` is used to avoid "variable not used" warnings. Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://patch.msgid.link/20241216-fix-ipu-v5-2-3d6b35ddce7b@chromium.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Ricardo Ribalda
|
79f237bae9 |
ACPI: bus: change the prototype for acpi_get_physical_device_location
It generally is not OK to use acpi_status and/or AE_ error codes without CONFIG_ACPI and they really only should be used in drivers/acpi/ (and not everywhere in there for that matter). So acpi_get_physical_device_location() needs to be redefined to return something different from acpi_status (preferably bool) in order to be used in !CONFIG_ACPI code. Suggested-by: Rafael J. Wysocki <rafael@kernel.org> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://patch.msgid.link/20241216-fix-ipu-v5-1-3d6b35ddce7b@chromium.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Linus Torvalds
|
2c22dc1ee3 |
common: switch back from remove_new() to remove() callback
imx: fix format specifier
zynqmp: setup IPI for each child node
thead: Add th1520 driver and bindings
qcom: add SM8750 and SAR2130p compatibles
fix expected clocks for callbacks
use IRQF_NO_SUSPEND for cpucp
mtk-cmdq: switch to __pm_runtime_put_autosuspend()
fix alloc size of clocks
mpfs: fix reg properties
ti-msgmgr: don't use of_match_ptr helper
enable COMPILE_TEST build
pcc: consider the PCC_ACK_FLAG
arm_mhuv2: fix non-fatal improper reuse of variable
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Merge tag 'mailbox-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
"Common:
- switch back from remove_new() to remove() callback
imx:
- fix format specifier
zynqmp:
- setup IPI for each child node
thead:
- Add th1520 driver and bindings
qcom:
- add SM8750 and SAR2130p compatibles
- fix expected clocks for callbacks
- use IRQF_NO_SUSPEND for cpucp
mtk-cmdq:
- switch to __pm_runtime_put_autosuspend()
- fix alloc size of clocks
mpfs:
- fix reg properties
ti-msgmgr:
- don't use of_match_ptr helper
- enable COMPILE_TEST build
pcc:
- consider the PCC_ACK_FLAG
arm_mhuv2:
- fix non-fatal improper reuse of variable"
* tag 'mailbox-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
mailbox: pcc: Check before sending MCTP PCC response ACK
mailbox: Switch back to struct platform_driver::remove()
mailbox: imx: Modify the incorrect format specifier
mailbox: arm_mhuv2: clean up loop in get_irq_chan_comb()
mailbox: zynqmp: setup IPI for each valid child node
dt-bindings: mailbox: Add thead,th1520-mailbox bindings
mailbox: Introduce support for T-head TH1520 Mailbox driver
mailbox: mtk-cmdq: fix wrong use of sizeof in cmdq_get_clocks()
dt-bindings: mailbox: qcom-ipcc: Add SM8750
dt-bindings: mailbox: qcom,apcs-kpss-global: correct expected clocks for fallbacks
dt-bindings: mailbox: qcom-ipcc: Add SAR2130P compatible
mailbox: ti-msgmgr: Allow building under COMPILE_TEST
mailbox: ti-msgmgr: Remove use of of_match_ptr() helper
mailbox: qcom-cpucp: Mark the irq with IRQF_NO_SUSPEND flag
mailbox: mtk-cmdq-mailbox: Switch to __pm_runtime_put_autosuspend()
mailbox: mpfs: support new, syscon based, devicetree configuration
dt-bindings: mailbox: mpfs: fix reg properties
|
||
|
Linus Torvalds
|
f5f4745a7f |
- The series "resource: A couple of cleanups" from Andy Shevchenko
performs some cleanups in the resource management code.
- The series "Improve the copy of task comm" from Yafang Shao addresses
possible race-induced overflows in the management of task_struct.comm[].
- The series "Remove unnecessary header includes from
{tools/}lib/list_sort.c" from Kuan-Wei Chiu adds some cleanups and a
small fix to the list_sort library code and to its selftest.
- The series "Enhance min heap API with non-inline functions and
optimizations" also from Kuan-Wei Chiu optimizes and cleans up the
min_heap library code.
- The series "nilfs2: Finish folio conversion" from Ryusuke Konishi
finishes off nilfs2's folioification.
- The series "add detect count for hung tasks" from Lance Yang adds more
userspace visibility into the hung-task detector's activity.
- Apart from that, singelton patches in many places - please see the
individual changelogs for details.
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Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- The series "resource: A couple of cleanups" from Andy Shevchenko
performs some cleanups in the resource management code
- The series "Improve the copy of task comm" from Yafang Shao addresses
possible race-induced overflows in the management of
task_struct.comm[]
- The series "Remove unnecessary header includes from
{tools/}lib/list_sort.c" from Kuan-Wei Chiu adds some cleanups and a
small fix to the list_sort library code and to its selftest
- The series "Enhance min heap API with non-inline functions and
optimizations" also from Kuan-Wei Chiu optimizes and cleans up the
min_heap library code
- The series "nilfs2: Finish folio conversion" from Ryusuke Konishi
finishes off nilfs2's folioification
- The series "add detect count for hung tasks" from Lance Yang adds
more userspace visibility into the hung-task detector's activity
- Apart from that, singelton patches in many places - please see the
individual changelogs for details
* tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
gdb: lx-symbols: do not error out on monolithic build
kernel/reboot: replace sprintf() with sysfs_emit()
lib: util_macros_kunit: add kunit test for util_macros.h
util_macros.h: fix/rework find_closest() macros
Improve consistency of '#error' directive messages
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
hung_task: add docs for hung_task_detect_count
hung_task: add detect count for hung tasks
dma-buf: use atomic64_inc_return() in dma_buf_getfile()
fs/proc/kcore.c: fix coccinelle reported ERROR instances
resource: avoid unnecessary resource tree walking in __region_intersects()
ocfs2: remove unused errmsg function and table
ocfs2: cluster: fix a typo
lib/scatterlist: use sg_phys() helper
checkpatch: always parse orig_commit in fixes tag
nilfs2: convert metadata aops from writepage to writepages
nilfs2: convert nilfs_recovery_copy_block() to take a folio
nilfs2: convert nilfs_page_count_clean_buffers() to take a folio
nilfs2: remove nilfs_writepage
nilfs2: convert checkpoint file to be folio-based
...
|
||
|
Adam Young
|
7f9e19f207 |
mailbox: pcc: Check before sending MCTP PCC response ACK
Type 4 PCC channels have an option to send back a response to the platform when they are done processing the request. The flag to indicate whether or not to respond is inside the message body, and thus is not available to the pcc mailbox. If the flag is not set, still set command completion bit after processing message. In order to read the flag, this patch maps the shared buffer to virtual memory. To avoid duplication of mapping the shared buffer is then made available to be used by the driver that uses the mailbox. Signed-off-by: Adam Young <admiyo@os.amperecomputing.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com> |
||
|
Linus Torvalds
|
563cb0b1e7 |
cxl changes for v6.13
- Constify range_contains() input parameters to prevent changes.
- Add support for displaying RCD capabilities in sysfs to support lspci for CXL device.
- Downgrade warning message to debug in cxl_probe_component_regs().
- Add support for adding a printf specifier '$pra' to emit 'struct range' content.
- Add sanity tests for 'struct resource'.
- Add documentation for special case.
- Add %pra for 'struct range'.
- Add %pra usage in CXL code.
- Add preparation code for DCD support
- Add range_overlaps().
- Add CDAT DSMAS table shared and read only flag in ACPICA.
- Add documentation to 'struct dev_dax_range'.
- Delay event buffer allocation in CXL PCI code until needed.
- Use guard() in cxl_dpa_set_mode().
- Refactor create region code to consolidate common code.
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Merge tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl updates from Dave Jiang:
- Constify range_contains() input parameters to prevent changes
- Add support for displaying RCD capabilities in sysfs to support lspci
for CXL device
- Downgrade warning message to debug in cxl_probe_component_regs()
- Add support for adding a printf specifier '%pra' to emit 'struct
range' content:
- Add sanity tests for 'struct resource'
- Add documentation for special case
- Add %pra for 'struct range'
- Add %pra usage in CXL code
- Add preparation code for DCD support:
- Add range_overlaps()
- Add CDAT DSMAS table shared and read only flag in ACPICA
- Add documentation to 'struct dev_dax_range'
- Delay event buffer allocation in CXL PCI code until needed
- Use guard() in cxl_dpa_set_mode()
- Refactor create region code to consolidate common code
* tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/region: Refactor common create region code
cxl/hdm: Use guard() in cxl_dpa_set_mode()
cxl/pci: Delay event buffer allocation
dax: Document struct dev_dax_range
ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values
range: Add range_overlaps()
cxl/cdat: Use %pra for dpa range outputs
printf: Add print format (%pra) for struct range
Documentation/printf: struct resource add start == end special case
test printf: Add very basic struct resource tests
cxl: downgrade a warning message to debug level in cxl_probe_component_regs()
cxl/pci: Add sysfs attribute for CXL 1.1 device link status
cxl/core/regs: Add rcd_pcie_cap initialization
kernel/range: Const-ify range_contains parameters
|
||
|
Linus Torvalds
|
341d041daa |
iommufd 6.13 merge window pull
Several new features and uAPI for iommufd:
- IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the backing
memory for an iommu mapping. To date VFIO/iommufd have used VMA's and
pin_user_pages(), this now allows using memfds and memfd_pin_folios().
Notably this creates a pure folio path from the memfd to the iommu page
table where memory is never broken down to PAGE_SIZE.
- IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between two
processes. Combined with the above this allows iommufd to support a VMM
re-start using exec() where something like qemu would exec() a new
version of itself and fd pass the memfds/iommufd/etc to the new
process. The memfd allows DMA access to the memory to continue while
the new process is getting setup, and the CHANGE_PROCESS updates all
the accounting.
- Support for fault reporting to userspace on non-PRI HW, such as ARM
stall-mode embedded devices.
- IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed virtual
iommu. This will be used by VMMs to access hardware features that are
contained with in a VM. The first use is to inform the kernel of the
virtual SID to physical SID mapping when issuing SID based invalidation
on ARM. Further uses will tie HW features that are directly accessed by
the VM, such as invalidation queue assignment and others.
- IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
device to physical device within a VIOMMU. Minimially this is used to
translate VM issued cache invalidation commands from virtual to physical
device IDs.
- Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work with
the VIOMMU
- ARM SMMuv3 support for nested translation. Using the VIOMMU and VDEVICE
the driver can model this HW's behavior for nested translation. This
includes a shared branch from Will.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Several new features and uAPI for iommufd:
- IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the
backing memory for an iommu mapping. To date VFIO/iommufd have used
VMA's and pin_user_pages(), this now allows using memfds and
memfd_pin_folios(). Notably this creates a pure folio path from the
memfd to the iommu page table where memory is never broken down to
PAGE_SIZE.
- IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between
two processes. Combined with the above this allows iommufd to
support a VMM re-start using exec() where something like qemu would
exec() a new version of itself and fd pass the memfds/iommufd/etc
to the new process. The memfd allows DMA access to the memory to
continue while the new process is getting setup, and the
CHANGE_PROCESS updates all the accounting.
- Support for fault reporting to userspace on non-PRI HW, such as ARM
stall-mode embedded devices.
- IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed
virtual iommu. This will be used by VMMs to access hardware
features that are contained with in a VM. The first use is to
inform the kernel of the virtual SID to physical SID mapping when
issuing SID based invalidation on ARM. Further uses will tie HW
features that are directly accessed by the VM, such as invalidation
queue assignment and others.
- IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
device to physical device within a VIOMMU. Minimially this is used
to translate VM issued cache invalidation commands from virtual to
physical device IDs.
- Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work
with the VIOMMU
- ARM SMMuv3 support for nested translation. Using the VIOMMU and
VDEVICE the driver can model this HW's behavior for nested
translation. This includes a shared branch from Will"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (51 commits)
iommu/arm-smmu-v3: Import IOMMUFD module namespace
iommufd: IOMMU_IOAS_CHANGE_PROCESS selftest
iommufd: Add IOMMU_IOAS_CHANGE_PROCESS
iommufd: Lock all IOAS objects
iommufd: Export do_update_pinned
iommu/arm-smmu-v3: Support IOMMU_HWPT_INVALIDATE using a VIOMMU object
iommu/arm-smmu-v3: Allow ATS for IOMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Use S2FWB for NESTED domains
iommu/arm-smmu-v3: Support IOMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Support IOMMU_VIOMMU_ALLOC
Documentation: userspace-api: iommufd: Update vDEVICE
iommufd/selftest: Add vIOMMU coverage for IOMMU_HWPT_INVALIDATE ioctl
iommufd/selftest: Add IOMMU_TEST_OP_DEV_CHECK_CACHE test command
iommufd/selftest: Add mock_viommu_cache_invalidate
iommufd/viommu: Add iommufd_viommu_find_dev helper
iommu: Add iommu_copy_struct_from_full_user_array helper
iommufd: Allow hwpt_id to carry viommu_id for IOMMU_HWPT_INVALIDATE
iommu/viommu: Add cache_invalidate to iommufd_viommu_ops
iommufd/selftest: Add IOMMU_VDEVICE_ALLOC test coverage
iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl
...
|
||
|
Nataniel Farzan
|
a7306f3c28 |
Improve consistency of '#error' directive messages
Remove the use of contractions and use proper punctuation in #error directive messages that discourage the direct inclusion of header files. Link: https://lkml.kernel.org/r/20241105032231.28833-1-natanielfarzan@gmail.com Signed-off-by: Nataniel Farzan <natanielfarzan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Ira Weiny
|
d62e2ed065 |
ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values
The Coherent Device Attribute Table (CDAT) Device Scoped Memory Affinity Structure (DSMAS) version 1.04 [1] defines flags to indicate if a DPA range is read only and/or shared. Add read only and shareable flag definitions. This change was merged in ACPICA via PR 976.[2] Link: https://uefi.org/sites/default/files/resources/Coherent%20Device%20Attribute%20Table_1.04%20published_0.pdf [1] Link: https://github.com/acpica/acpica/pull/976 [2] Cc: Robert Moore <robert.moore@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: linux-acpi@vger.kernel.org Cc: acpica-devel@lists.linux.dev Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Link: https://patch.msgid.link/20241107-dcd-type2-upstream-v7-2-56a84e66bc36@intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> |
||
|
Mario Limonciello
|
b79276dcac |
ACPI: processor: Move arch_init_invariance_cppc() call later
arch_init_invariance_cppc() is called at the end of
acpi_cppc_processor_probe() in order to configure frequency invariance
based upon the values from _CPC.
This however doesn't work on AMD CPPC shared memory designs that have
AMD preferred cores enabled because _CPC needs to be analyzed from all
cores to judge if preferred cores are enabled.
This issue manifests to users as a warning since commit 21fb59ab4b97
("ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn"):
```
Could not retrieve highest performance (-19)
```
However the warning isn't the cause of this, it was actually
commit 279f838a61f9 ("x86/amd: Detect preferred cores in
amd_get_boost_ratio_numerator()") which exposed the issue.
To fix this problem, change arch_init_invariance_cppc() into a new weak
symbol that is called at the end of acpi_processor_driver_init().
Each architecture that supports it can declare the symbol to override
the weak one.
Define it for x86, in arch/x86/kernel/acpi/cppc.c, and for all of the
architectures using the generic arch_topology.c code.
Fixes: 279f838a61f9 ("x86/amd: Detect preferred cores in amd_get_boost_ratio_numerator()")
Reported-by: Ivan Shapovalov <intelfx@intelfx.name>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219431
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20241104222855.3959267-1-superm1@kernel.org
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
||
|
Nicolin Chen
|
1b8655bb8d |
ACPICA: IORT: Update for revision E.f
ACPICA commit c4f5c083d24df9ddd71d5782c0988408cf0fc1ab
The IORT spec, Issue E.f (April 2024), adds a new CANWBS bit to the Memory
Access Flag field in the Memory Access Properties table, mainly for a PCI
Root Complex.
This CANWBS defines the coherency of memory accesses to be not marked IOWB
cacheable/shareable. Its value further implies the coherency impact from a
pair of mismatched memory attributes (e.g. in a nested translation case):
0x0: Use of mismatched memory attributes for accesses made by this
device may lead to a loss of coherency.
0x1: Coherency of accesses made by this device to locations in
Conventional memory are ensured as follows, even if the memory
attributes for the accesses presented by the device or provided by
the SMMU are different from Inner and Outer Write-back cacheable,
Shareable.
Link: https://github.com/acpica/acpica/commit/c4f5c083
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Donald Dutile <ddutile@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/2-v4-9e99b76f3518+3a8-smmuv3_nesting_jgg@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
|
||
|
Pierre Gondois
|
1c10941e34 |
ACPI: CPPC: Make rmw_lock a raw_spin_lock
The following BUG was triggered: ============================= [ BUG: Invalid wait context ] 6.12.0-rc2-XXX #406 Not tainted ----------------------------- kworker/1:1/62 is trying to lock: ffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370 other info that might help us debug this: context-{5:5} 2 locks held by kworker/1:1/62: #0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50 #1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280 stack backtrace: CPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406 Workqueue: 0x0 (events) Call trace: dump_backtrace+0xa4/0x130 show_stack+0x20/0x38 dump_stack_lvl+0x90/0xd0 dump_stack+0x18/0x28 __lock_acquire+0x480/0x1ad8 lock_acquire+0x114/0x310 _raw_spin_lock+0x50/0x70 cpc_write+0xcc/0x370 cppc_set_perf+0xa0/0x3a8 cppc_cpufreq_fast_switch+0x40/0xc0 cpufreq_driver_fast_switch+0x4c/0x218 sugov_update_shared+0x234/0x280 update_load_avg+0x6ec/0x7b8 dequeue_entities+0x108/0x830 dequeue_task_fair+0x58/0x408 __schedule+0x4f0/0x1070 schedule+0x54/0x130 worker_thread+0xc0/0x2e8 kthread+0x130/0x148 ret_from_fork+0x10/0x20 sugov_update_shared() locks a raw_spinlock while cpc_write() locks a spinlock. To have a correct wait-type order, update rmw_lock to a raw spinlock and ensure that interrupts will be disabled on the CPU holding it. Fixes: 60949b7b8054 ("ACPI: CPPC: Fix MASK_VAL() usage") Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> Link: https://patch.msgid.link/20241028125657.1271512-1-pierre.gondois@arm.com [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Linus Torvalds
|
02824a5fd1 |
Power management updates for 6.12-rc1
- Remove LATENCY_MULTIPLIER from cpufreq (Qais Yousef).
- Add support for Granite Rapids and Sierra Forest in OOB mode to the
intel_pstate cpufreq driver (Srinivas Pandruvada).
- Add basic support for CPU capacity scaling on x86 and make the
intel_pstate driver set asymmetric CPU capacity on hybrid systems
without SMT (Rafael Wysocki).
- Add missing MODULE_DESCRIPTION() macros to the powerpc cpufreq
driver (Jeff Johnson).
- Several OF related cleanups in cpufreq drivers (Rob Herring).
- Enable COMPILE_TEST for ARM drivers (Rob Herrring).
- Introduce quirks for syscon failures and use socinfo to get revision
for TI cpufreq driver (Dhruva Gole, Nishanth Menon).
- Minor cleanups in amd-pstate driver (Anastasia Belova, Dhananjay
Ugwekar).
- Minor cleanups for loongson, cpufreq-dt and powernv cpufreq drivers
(Danila Tikhonov, Huacai Chen, and Liu Jing).
- Make amd-pstate validate return of any attempt to update EPP limits,
which fixes the masking hardware problems (Mario Limonciello).
- Move the calculation of the AMD boost numerator outside of amd-pstate,
correcting acpi-cpufreq on systems with preferred cores (Mario
Limonciello).
- Harden preferred core detection in amd-pstate to avoid potential
false positives (Mario Limonciello).
- Add extra unit test coverage for mode state machine (Mario
Limonciello).
- Fix an "Uninitialized variables" issue in amd-pstste (Qianqiang Liu).
- Add Granite Rapids Xeon support to intel_idle (Artem Bityutskiy).
- Disable promotion to C1E on Jasper Lake and Elkhart Lake in
intel_idle (Kai-Heng Feng).
- Use scoped device node handling to fix missing of_node_put() and
simplify walking OF children in the riscv-sbi cpuidle driver (Krzysztof
Kozlowski).
- Remove dead code from cpuidle_enter_state() (Dhruva Gole).
- Change an error pointer to NULL to fix error handling in the
intel_rapl power capping driver (Dan Carpenter).
- Fix off by one in get_rpi() in the intel_rapl power capping
driver (Dan Carpenter).
- Add support for ArrowLake-U to the intel_rapl power capping
driver (Sumeet Pawnikar).
- Fix the energy-pkg event for AMD CPUs in the intel_rapl power capping
driver (Dhananjay Ugwekar).
- Add support for AMD family 1Ah processors to the intel_rapl power
capping driver (Dhananjay Ugwekar).
- Remove unused stub for saveable_highmem_page() and remove deprecated
macros from power management documentation (Andy Shevchenko).
- Use ysfs_emit() and sysfs_emit_at() in "show" functions in the PM
sysfs interface (Xueqin Luo).
- Update the maintainers information for the operating-points-v2-ti-cpu DT
binding (Dhruva Gole).
- Drop unnecessary of_match_ptr() from ti-opp-supply (Rob Herring).
- Add missing MODULE_DESCRIPTION() macros to devfreq governors (Jeff
Johnson).
- Use devm_clk_get_enabled() in the exynos-bus devfreq driver (Anand
Moon).
- Use of_property_present() instead of of_get_property() in the imx-bus
devfreq driver (Rob Herring).
- Update directory handling and installation process in the pm-graph
Makefile and add .gitignore to ignore sleepgraph.py artifacts to
pm-graph (Amit Vadhavana, Yo-Jung Lin).
- Make cpupower display residency value in idle-info (Aboorva
Devarajan).
- Add missing powercap_set_enabled() stub function to cpupower (John
B. Wyatt IV).
- Add SWIG support to cpupower (John B. Wyatt IV).
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Merge tag 'pm-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"By the number of new lines of code, the most visible change here is
the addition of hybrid CPU capacity scaling support to the
intel_pstate driver. Next are the amd-pstate driver changes related to
the calculation of the AMD boost numerator and preferred core
detection.
As far as new hardware support is concerned, the intel_idle driver
will now handle Granite Rapids Xeon processors natively, the
intel_rapl power capping driver will recognize family 1Ah of AMD
processors and Intel ArrowLake-U chipos, and intel_pstate will handle
Granite Rapids and Sierra Forest chips in the out-of-band (OOB) mode.
Apart from the above, there is a usual collection of assorted fixes
and code cleanups in many places and there are tooling updates.
Specifics:
- Remove LATENCY_MULTIPLIER from cpufreq (Qais Yousef)
- Add support for Granite Rapids and Sierra Forest in OOB mode to the
intel_pstate cpufreq driver (Srinivas Pandruvada)
- Add basic support for CPU capacity scaling on x86 and make the
intel_pstate driver set asymmetric CPU capacity on hybrid systems
without SMT (Rafael Wysocki)
- Add missing MODULE_DESCRIPTION() macros to the powerpc cpufreq
driver (Jeff Johnson)
- Several OF related cleanups in cpufreq drivers (Rob Herring)
- Enable COMPILE_TEST for ARM drivers (Rob Herrring)
- Introduce quirks for syscon failures and use socinfo to get
revision for TI cpufreq driver (Dhruva Gole, Nishanth Menon)
- Minor cleanups in amd-pstate driver (Anastasia Belova, Dhananjay
Ugwekar)
- Minor cleanups for loongson, cpufreq-dt and powernv cpufreq drivers
(Danila Tikhonov, Huacai Chen, and Liu Jing)
- Make amd-pstate validate return of any attempt to update EPP
limits, which fixes the masking hardware problems (Mario
Limonciello)
- Move the calculation of the AMD boost numerator outside of
amd-pstate, correcting acpi-cpufreq on systems with preferred cores
(Mario Limonciello)
- Harden preferred core detection in amd-pstate to avoid potential
false positives (Mario Limonciello)
- Add extra unit test coverage for mode state machine (Mario
Limonciello)
- Fix an "Uninitialized variables" issue in amd-pstste (Qianqiang
Liu)
- Add Granite Rapids Xeon support to intel_idle (Artem Bityutskiy)
- Disable promotion to C1E on Jasper Lake and Elkhart Lake in
intel_idle (Kai-Heng Feng)
- Use scoped device node handling to fix missing of_node_put() and
simplify walking OF children in the riscv-sbi cpuidle driver
(Krzysztof Kozlowski)
- Remove dead code from cpuidle_enter_state() (Dhruva Gole)
- Change an error pointer to NULL to fix error handling in the
intel_rapl power capping driver (Dan Carpenter)
- Fix off by one in get_rpi() in the intel_rapl power capping driver
(Dan Carpenter)
- Add support for ArrowLake-U to the intel_rapl power capping driver
(Sumeet Pawnikar)
- Fix the energy-pkg event for AMD CPUs in the intel_rapl power
capping driver (Dhananjay Ugwekar)
- Add support for AMD family 1Ah processors to the intel_rapl power
capping driver (Dhananjay Ugwekar)
- Remove unused stub for saveable_highmem_page() and remove
deprecated macros from power management documentation (Andy
Shevchenko)
- Use ysfs_emit() and sysfs_emit_at() in "show" functions in the PM
sysfs interface (Xueqin Luo)
- Update the maintainers information for the
operating-points-v2-ti-cpu DT binding (Dhruva Gole)
- Drop unnecessary of_match_ptr() from ti-opp-supply (Rob Herring)
- Add missing MODULE_DESCRIPTION() macros to devfreq governors (Jeff
Johnson)
- Use devm_clk_get_enabled() in the exynos-bus devfreq driver (Anand
Moon)
- Use of_property_present() instead of of_get_property() in the
imx-bus devfreq driver (Rob Herring)
- Update directory handling and installation process in the pm-graph
Makefile and add .gitignore to ignore sleepgraph.py artifacts to
pm-graph (Amit Vadhavana, Yo-Jung Lin)
- Make cpupower display residency value in idle-info (Aboorva
Devarajan)
- Add missing powercap_set_enabled() stub function to cpupower (John
B. Wyatt IV)
- Add SWIG support to cpupower (John B. Wyatt IV)"
* tag 'pm-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (62 commits)
cpufreq/amd-pstate-ut: Fix an "Uninitialized variables" issue
cpufreq/amd-pstate-ut: Add test case for mode switches
cpufreq/amd-pstate: Export symbols for changing modes
amd-pstate: Add missing documentation for `amd_pstate_prefcore_ranking`
cpufreq: amd-pstate: Add documentation for `amd_pstate_hw_prefcore`
cpufreq: amd-pstate: Optimize amd_pstate_update_limits()
cpufreq: amd-pstate: Merge amd_pstate_highest_perf_set() into amd_get_boost_ratio_numerator()
x86/amd: Detect preferred cores in amd_get_boost_ratio_numerator()
x86/amd: Move amd_get_highest_perf() out of amd-pstate
ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn
ACPI: CPPC: Drop check for non zero perf ratio
x86/amd: Rename amd_get_highest_perf() to amd_get_boost_ratio_numerator()
ACPI: CPPC: Adjust return code for inline functions in !CONFIG_ACPI_CPPC_LIB
x86/amd: Move amd_get_highest_perf() from amd.c to cppc.c
PM: hibernate: Remove unused stub for saveable_highmem_page()
pm:cpupower: Add error warning when SWIG is not installed
MAINTAINERS: Add Maintainers for SWIG Python bindings
pm:cpupower: Include test_raw_pylibcpupower.py
pm:cpupower: Add SWIG bindings files for libcpupower
pm:cpupower: Add missing powercap_set_enabled() stub function
...
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Rafael J. Wysocki
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3dd2fcf496 |
Merge branches 'acpi-video', 'acpi-resource', 'acpi-pad' and 'acpi-misc'
Merge ACPI backlight (video) driver update, ACPI resource management updates, an ACPI processor aggregator device (PAD) driver fix, and miscellaneous ACPI updates for 6.12-rc1: - Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI backlight driver (Hans de Goede). - Make the DMI checks related to backlight handling on Lenovo Yoga Tab 3 X90F less strict (Hans de Goede). - Enforce native backlight handling on Apple MacbookPro9,2 (Esther Shimanovich). - Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim Khan, Werner Sembach). - Fix crash in exit_round_robin() in the ACPI processor aggregator device (PAD) driver (Seiji Nishikawa). - Define and use symbols for device and class name lengths in the ACPI bus type code and make the code use strscpy() instead of strcpy() in several places (Muhammad Qasim Abdul Majeed). * acpi-video: ACPI: video: Add force_vendor quirk for Panasonic Toughbook CF-18 ACPI: x86: Make Lenovo Yoga Tab 3 X90F DMI match less strict ACPI: video: Make Lenovo Yoga Tab 3 X90F DMI match less strict ACPI: video: force native for Apple MacbookPro9,2 * acpi-resource: ACPI: resource: Add another DMI match for the TongFang GMxXGxx ACPI: resource: Skip IRQ override on Asus Vivobook Go E1404GAB ACPI: resource: Do IRQ override on MECHREV GM7XG0M * acpi-pad: ACPI: PAD: fix crash in exit_round_robin() * acpi-misc: ACPI: button: Use strscpy() instead of strcpy() ACPI: bus: Define and use symbols for device and class name lengths ACPI: battery : Use strscpy() instead of strcpy() ACPI: acpi_processor: Use strscpy instead() of strcpy() ACPI: PAD: Use strscpy() instead of strcpy() ACPI: AC: Use strscpy() instead of strcpy() |
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Rafael J. Wysocki
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bb19180d71 |
Merge branches 'acpi-battery', 'acpi-pmic', 'acpi-cppc' and 'acpi-processor'
Merge ACPI battery driver, ACPI PMIC driver, ACPI processor driver and ACPI CPPC library updates for 6.12-rc1: - Use the driver core for the async probing management in the ACPI battery driver (Thomas Weißschuh). - Remove redundant initalizations of a local variable to NULL from the ACPI battery driver (Ilpo Järvinen). - Use strscpy() instead of strcpy() in the ACPI battery driver (Muhammad Qasim Abdul Majeed). - Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr Mishin). - Add support for setting the EPP register through the ACPI CPPC sysfs interface if it is in FFH (Mario Limonciello). - Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger). - Reduce the log level of a per-CPU message about idle states in the ACPI processor driver (Li RongQing). * acpi-battery: ACPI: battery: use driver core managed async probing ACPI: battery: Remove redundant NULL initalizations ACPI: battery: Use strscpy() instead of strcpy() * acpi-pmic: ACPI: PMIC: Remove unneeded check in tps68470_pmic_opregion_probe() * acpi-cppc: ACPI: CPPC: Add support for setting EPP register in FFH ACPI: CPPC: Fix MASK_VAL() usage * acpi-processor: ACPI: processor: Reduce the log level of a per-CPU message about idle states |
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Rafael J. Wysocki
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4ed63b31dc |
Merge branches 'acpi-ec', 'acpi-sysfs', 'acpi-utils' and 'acpi-soc'
Merge an ACPI EC driver update, ACPI sysfs interface updates, an ACPI library function update, and an ACPI APD driver update for 6.12-rc1: - Do not release locks during operation region accesses in the ACPI EC driver (Rafael Wysocki). - Fix up the _STR handling in the ACPI device object sysfs interface, make it represent the device object attributes as an attribute group and make it rely on driver core functionality for sysfs attrubute management (Thomas Weißschuh). - Extend error messages printed to the kernel log when acpi_evaluate_dsm() fails to include revision and function number (David Wang). - Add a new AMDI0015 platform device ID to the ACPi APD driver for AMD SoCs (Shyam Sundar S K). * acpi-ec: ACPI: EC: Do not release locks during operation region accesses * acpi-sysfs: ACPI: sysfs: remove return value of acpi_device_setup_files() ACPI: sysfs: manage sysfs attributes through device core ACPI: sysfs: manage attributes as attribute_group ACPI: sysfs: evaluate _STR on each sysfs access ACPI: sysfs: validate return type of _STR method * acpi-utils: ACPI: utils: Add rev/func to message when acpi_evaluate_dsm() fails * acpi-soc: ACPI: APD: Add AMDI0015 as platform device |
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Rafael J. Wysocki
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45de40574f |
Merge branch 'acpi-riscv'
Merge ACPI and irqchip updates related to external interrupt controller support on RISC-V: - Add ACPI device enumeration support for interrupt controller probing including taking dependencies into account (Sunil V L). - Implement ACPI-based interrupt controller probing on RISC-V (Sunil V L). - Add ACPI support for AIA in riscv-intc and add ACPI support to riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L). * acpi-riscv: irqchip/sifive-plic: Add ACPI support irqchip/riscv-aplic: Add ACPI support irqchip/riscv-imsic: Add ACPI support irqchip/riscv-imsic-state: Create separate function for DT irqchip/riscv-intc: Add ACPI support for AIA ACPI: RISC-V: Implement function to add implicit dependencies ACPI: RISC-V: Initialize GSI mapping structures ACPI: RISC-V: Implement function to reorder irqchip probe entries ACPI: RISC-V: Implement PCI related functionality ACPI: pci_link: Clear the dependencies after probe ACPI: bus: Add RINTC IRQ model for RISC-V ACPI: scan: Define weak function to populate dependencies ACPI: scan: Add RISC-V interrupt controllers to honor list ACPI: scan: Refactor dependency creation ACPI: bus: Add acpi_riscv_init() function ACPI: scan: Add a weak arch_sort_irqchip_probe() to order the IRQCHIP probe arm64: PCI: Migrate ACPI related functions to pci-acpi.c |
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Rafael J. Wysocki
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13f4eb6b53 |
Merge branch 'acpica'
Merge ACPICA updates for 6.12-rc1: - Check return value in acpi_db_convert_to_package() (Pei Xiao). - Detect FACS and allow setting the waking vector on reduced-hardware ACPI platforms (Jiaqing Zhao). - Allow ACPICA to represent semaphores as integers (Adrien Destugues). - Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui). - Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to DBG2 (Sia Jee Heng). - Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose Marinho). - Correct the typo in struct acpi_mpam_msc_node member (Punit Agrawal). - Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to prevent a Stall() violation warning from being printed every time this takes place (Vasily Khoruzhick). - Allow PCC Data Type in MCTP resource (Adam Young). - Fix memory leaks on acpi_ps_get_next_namepath() and acpi_ps_get_next_field() failures (Armin Wolf). - Add support for supressing leading zeros in hex strings when converting them to integers and update integer-to-hex-string conversions in ACPICA (Armin Wolf). - Add support for Windows 11 22H2 _OSI string (Armin Wolf). - Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski). - Add extended linear address mode to HMAT MSCIS in ACPICA (Dave Jiang). - Handle empty connection_node in iasl (Aleksandrs Vinarskis). - Allow for more flexibility in _DSM args (Saket Dumbre). - Setup for ACPICA release 20240827 (Saket Dumbre). * acpica: (23 commits) ACPICA: Setup for ACPICA release 20240827 ACPICA: Allow for more flexibility in _DSM args ACPICA: iasl: handle empty connection_node ACPICA: HMAT: Add extended linear address mode to MSCIS ACPICA: Avoid warning for Dump Functions ACPICA: Add support for Windows 11 22H2 _OSI string ACPICA: Update integer-to-hex-string conversions ACPICA: Add support for supressing leading zeros in hex strings ACPICA: Allow for supressing leading zeros when using acpi_ex_convert_to_ascii() ACPICA: Fix memory leak if acpi_ps_get_next_field() fails ACPICA: Fix memory leak if acpi_ps_get_next_namepath() fails ACPICA: Allow PCC Data Type in MCTP resource. ACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec ACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE ACPICA: MPAM: Correct the typo in struct acpi_mpam_msc_node member ACPICA: Implement the Dword_PCC Resource Descriptor Macro ACPICA: Headers: Add RISC-V SBI Subtype to DBG2 ACPICA: SPCR: Update the SPCR table to version 4 ACPICA: Complete CXL 3.0 CXIMS structures ACPICA: haiku: Fix invalid value used for semaphores ... |
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Rafael J. Wysocki
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9bcf30348f |
second round of amd-pstate changes for 6.12 (second try):
* Move the calculation of the AMD boost numerator outside of amd-pstate, correcting acpi-cpufreq on systems with preferred cores * Harden preferred core detection to avoid potential false positives * Add extra unit test coverage for mode state machine -----BEGIN PGP SIGNATURE----- iQJOBAABCgA4FiEECwtuSU6dXvs5GA2aLRkspiR3AnYFAmbhviEaHG1hcmlvLmxp bW9uY2llbGxvQGFtZC5jb20ACgkQLRkspiR3AnYqDA//TrvmXcpk1mnVJw3Y7MG0 /n8dsLpxqVtEf+USnlGR+iRhgSQ/W/Kr7b5a+jmdCwpHChuWHt2FnNgcHLIxDnZC vmEJ02/2BCRoPKvcvV4VTh0ATu3O9nqwQiBVWBdNjDy+Dzr0pzA+SQopt1hCIsO2 mzUodhpiBqYKlMf/i6+aM1gZCGGqoRC40aGqnJsgegb61vl7zIc2ZcbTxUQlyTfv t6J73IXLx8+YtrjejBYc7mRHhMQ2hCKy92C/8cNoGocj5faSKsAA3OUDcWq8qX0U zK3GGGdW8MLHSbt3VyntstnfiLL7TnzowcjvrMudIWpjC1987GlE9BApbN9VRZ8e ARN3Y7/ltjut/1fRB97BwjI9aDpzA0122Qzy4UOcK8o+be1eIr+ihV3Z9EN/snWg 0L/oq5+rGHvvIzf1BwGhoPSvgBIu7eMIYDcRxKPlEiKsbXrL4DdJC/nXgaZ/HiGO eHx1dNy7LFrdnEwVI1frZWC6ZuZcpmOBdhnfU+leVxzB3Z++Qc266rsxKBsc5taZ PPV18pxfbbl3iL85KDIbuBUCmA0aY8WEdCKtfXpl7zlB5g0fZQLyYeUbvahK08Sk vyQAnPECbX/4v1Vx54Z70GPk0XD2+TXdg8yApnXrmRc36z/SLdprk5hPKbKhZu/r iPxFUnvd0HCtjsLrsq/qUiQ= =R4HZ -----END PGP SIGNATURE----- Merge tag 'amd-pstate-v6.12-2024-09-11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux Merge the second round of amd-pstate changes for 6.12 from Mario Limonciello: "* Move the calculation of the AMD boost numerator outside of amd-pstate, correcting acpi-cpufreq on systems with preferred cores * Harden preferred core detection to avoid potential false positives * Add extra unit test coverage for mode state machine" * tag 'amd-pstate-v6.12-2024-09-11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux: cpufreq/amd-pstate-ut: Fix an "Uninitialized variables" issue cpufreq/amd-pstate-ut: Add test case for mode switches cpufreq/amd-pstate: Export symbols for changing modes amd-pstate: Add missing documentation for `amd_pstate_prefcore_ranking` cpufreq: amd-pstate: Add documentation for `amd_pstate_hw_prefcore` cpufreq: amd-pstate: Optimize amd_pstate_update_limits() cpufreq: amd-pstate: Merge amd_pstate_highest_perf_set() into amd_get_boost_ratio_numerator() x86/amd: Detect preferred cores in amd_get_boost_ratio_numerator() x86/amd: Move amd_get_highest_perf() out of amd-pstate ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn ACPI: CPPC: Drop check for non zero perf ratio x86/amd: Rename amd_get_highest_perf() to amd_get_boost_ratio_numerator() ACPI: CPPC: Adjust return code for inline functions in !CONFIG_ACPI_CPPC_LIB x86/amd: Move amd_get_highest_perf() from amd.c to cppc.c |
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Mario Limonciello
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279f838a61 |
x86/amd: Detect preferred cores in amd_get_boost_ratio_numerator()
AMD systems that support preferred cores will use "166" as their numerator for max frequency calculations instead of "255". Add a function for detecting preferred cores by looking at the highest perf value on all cores. If preferred cores are enabled return 166 and if disabled the value in the highest perf register. As the function will be called multiple times, cache the values for the boost numerator and if preferred cores will be enabled in global variables. Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> |
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Mario Limonciello
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2819bfef64 |
x86/amd: Move amd_get_highest_perf() out of amd-pstate
amd_pstate_get_highest_perf() is a helper used to get the highest perf value on AMD systems. It's used in amd-pstate as part of preferred core handling, but applicable for acpi-cpufreq as well. Move it out to cppc handling code as amd_get_highest_perf(). Reviewed-by: Perry Yuan <perry.yuan@amd.com> Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> |
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Mario Limonciello
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6c09e3b445 |
x86/amd: Rename amd_get_highest_perf() to amd_get_boost_ratio_numerator()
The function name is ambiguous because it returns an intermediate value for calculating maximum frequency rather than the CPPC 'Highest Perf' register. Rename the function to clarify its use and allow the function to return errors. Adjust the consumer in acpi-cpufreq to catch errors. Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> |
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Mario Limonciello
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01ced022e1 |
ACPI: CPPC: Adjust return code for inline functions in !CONFIG_ACPI_CPPC_LIB
Checkpath emits the following warning: ``` WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP ``` Adjust the code accordingly. Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> |
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Clément Léger
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60949b7b80 |
ACPI: CPPC: Fix MASK_VAL() usage
MASK_VAL() was added as a way to handle bit_offset and bit_width for
registers located in system memory address space. However, while suited
for reading, it does not work for writing and result in corrupted
registers when writing values with bit_offset > 0. Moreover, when a
register is collocated with another one at the same address but with a
different mask, the current code results in the other registers being
overwritten with 0s. The write procedure for SYSTEM_MEMORY registers
should actually read the value, mask it, update it and write it with the
updated value. Moreover, since registers can be located in the same
word, we must take care of locking the access before doing it. We should
potentially use a global lock since we don't know in if register
addresses aren't shared with another _CPC package but better not
encourage vendors to do so. Assume that registers can use the same word
inside a _CPC package and thus, use a per _CPC package lock.
Fixes: 2f4a4d63a193 ("ACPI: CPPC: Use access_width over bit_width for system memory accesses")
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://patch.msgid.link/20240826101648.95654-1-cleger@rivosinc.com
[ rjw: Dropped redundant semicolon ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Saket Dumbre
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9af32b4a25 |
ACPICA: Setup for ACPICA release 20240827
ACPICA commit 86c762afe5bf915e8101a0455513368e2a60dd80 Link: https://github.com/acpica/acpica/commit/86c762af Signed-off-by: Saket Dumbre <saket.dumbre@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Dave Jiang
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6143f96166 |
ACPICA: HMAT: Add extended linear address mode to MSCIS
ACPICA commit aaa08569b81aa4d9ff59f91f00e589e98d499e6c
Redefine the 2 reserved bytes at offset 28 of Memory Side Cache Information
Structure as "Address Mode" and add defines of the new value.
* 0 - Reserved (Unkown Address Mode)
* 1 - Extended-linear (N direct-map aliases linearly mapped)
* 2..65535 - Reserved (Unknown Address Mode)
Link: https://github.com/acpica/acpica/commit/aaa08569
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Armin Wolf
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dd067afe3f |
ACPICA: Add support for Windows 11 22H2 _OSI string
ACPICA commit f56218c4e4dc1d1f699662d0726ad9e7a0d58548
See:
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Vasily Khoruzhick
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632b746b10 |
ACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE
ACPICA commit 2ad4e6e7c4118f4cdfcad321c930b836cec77406 In some cases it is not practical nor useful to nag user about some firmware errors that they cannot fix. Add a macro that will print a warning or error only once to be used in these cases. Link: https://github.com/acpica/acpica/commit/2ad4e6e7 Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Punit Agrawal
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cf94e10a03 |
ACPICA: MPAM: Correct the typo in struct acpi_mpam_msc_node member
ACPICA commit 3da3f7d776d17e9bfbb15de88317de8d7397ce38 A member of the struct acpi_mpam_msc_node that represents a Memory System Controller node structure - num_resource_nodes has a typo. Fix the typo No functional change. Link: https://github.com/acpica/acpica/commit/3da3f7d7 Signed-off-by: Punit Agrawal <punit.agrawal@bytedance.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Sia Jee Heng
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4aca2bef90 |
ACPICA: Headers: Add RISC-V SBI Subtype to DBG2
ACPICA commit 6f4c900bcf9ca065129353f17a83773aa58095aa Include the RISC-V SBI debugging subtype as documented in DBG2 dated April 10, 2023 [1]. Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table # [1] Link: https://github.com/acpica/acpica/commit/6f4c900b Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Sia Jee Heng
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7741e3c5f8 |
ACPICA: SPCR: Update the SPCR table to version 4
ACPICA commit 1eeff52124a45d5cd887ba5687bbad0116e4d211 The Microsoft Serial Port Console Redirection (SPCR) specification revision 1.09 comprises additional fields [1]. The newly added fields are: - RISC-V SBI - Precise Baud Rate - namespace_string_length - namespace_string_offset - namespace_string Additionaly, this code will support up to SPCR revision 1.10, as it includes only minor wording changes. Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table # [1] Link: https://github.com/acpica/acpica/commit/1eeff521 Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Zhang Rui
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ff418f34ba |
ACPICA: Complete CXL 3.0 CXIMS structures
ACPICA commit eb2a2ff303416fb3f6c425d519dbcd6988dbd91f
Commit 2d8dc0383d3c9 ("Add CXL 3.0 structures (CXIMS & RDPAS) to the
CEDT table") introduces basic support for CXL XOR Interleave Math
Structure (CXIMS).
Complete the CXIMS structures.
No functional change.
Link: https://github.com/acpica/acpica/commit/eb2a2ff3
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Adrien Destugues
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7afea7bc49 |
ACPICA: haiku: Fix invalid value used for semaphores
ACPICA commit 49fe4f25483feec2f685b204ef19e28d92979e95 In Haiku, semaphores are represented by integers, not pointers. So, we can't use NULL as the invalid/destroyed value, the correct value is -1. Introduce a platform overridable define to allow this. Fixes #162 (which was closed after coming to the conclusion that this should be done, but the change was never done). Link: https://github.com/acpica/acpica/commit/49fe4f25 Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Jiaqing Zhao
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36b5c1dc4b |
ACPICA: Allow setting waking vector on reduced hardware platforms
Allow setting waking vector in FACS table on reduced hardware platforms
to support S3 wakeup.
Link:
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Jiaqing Zhao
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36b531aace |
ACPICA: Detect FACS in reduced hardware build
According to Section 5.2.10 of ACPI Specification, FACS is optional
in reduced hardware model. Enable the detection for "Hardware-reduced
ACPI support only" build (CONFIG_ACPI_REDUCED_HARDWARE_ONLY=y) also.
Link:
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Sunil V L
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8cf252737b |
ACPI: scan: Define weak function to populate dependencies
Some architectures like RISC-V need to add dependencies without explicit _DEP. Define a weak function which can be implemented by the architecture. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Tested-by: Björn Töpel <bjorn@rivosinc.com> Link: https://patch.msgid.link/20240812005929.113499-7-sunilvl@ventanamicro.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Sunil V L
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76d749c58f |
ACPI: scan: Refactor dependency creation
Some architectures like RISC-V will use implicit dependencies like GSI map to create dependencies between interrupt controller and devices. To support doing that, the function which creates the dependency, is refactored bit and made public so that dependency can be added from outside of scan.c as well. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Tested-by: Björn Töpel <bjorn@rivosinc.com> Link: https://patch.msgid.link/20240812005929.113499-5-sunilvl@ventanamicro.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |