included in this merge do the following:
- Kemeng Shi has contributed some compation maintenance work in the
series "Fixes and cleanups to compaction".
- Joel Fernandes has a patchset ("Optimize mremap during mutual
alignment within PMD") which fixes an obscure issue with mremap()'s
pagetable handling during a subsequent exec(), based upon an
implementation which Linus suggested.
- More DAMON/DAMOS maintenance and feature work from SeongJae Park i the
following patch series:
mm/damon: misc fixups for documents, comments and its tracepoint
mm/damon: add a tracepoint for damos apply target regions
mm/damon: provide pseudo-moving sum based access rate
mm/damon: implement DAMOS apply intervals
mm/damon/core-test: Fix memory leaks in core-test
mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval
- In the series "Do not try to access unaccepted memory" Adrian Hunter
provides some fixups for the recently-added "unaccepted memory' feature.
To increase the feature's checking coverage. "Plug a few gaps where
RAM is exposed without checking if it is unaccepted memory".
- In the series "cleanups for lockless slab shrink" Qi Zheng has done
some maintenance work which is preparation for the lockless slab
shrinking code.
- Qi Zheng has redone the earlier (and reverted) attempt to make slab
shrinking lockless in the series "use refcount+RCU method to implement
lockless slab shrink".
- David Hildenbrand contributes some maintenance work for the rmap code
in the series "Anon rmap cleanups".
- Kefeng Wang does more folio conversions and some maintenance work in
the migration code. Series "mm: migrate: more folio conversion and
unification".
- Matthew Wilcox has fixed an issue in the buffer_head code which was
causing long stalls under some heavy memory/IO loads. Some cleanups
were added on the way. Series "Add and use bdev_getblk()".
- In the series "Use nth_page() in place of direct struct page
manipulation" Zi Yan has fixed a potential issue with the direct
manipulation of hugetlb page frames.
- In the series "mm: hugetlb: Skip initialization of gigantic tail
struct pages if freed by HVO" has improved our handling of gigantic
pages in the hugetlb vmmemmep optimizaton code. This provides
significant boot time improvements when significant amounts of gigantic
pages are in use.
- Matthew Wilcox has sent the series "Small hugetlb cleanups" - code
rationalization and folio conversions in the hugetlb code.
- Yin Fengwei has improved mlock()'s handling of large folios in the
series "support large folio for mlock"
- In the series "Expose swapcache stat for memcg v1" Liu Shixin has
added statistics for memcg v1 users which are available (and useful)
under memcg v2.
- Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
prctl so that userspace may direct the kernel to not automatically
propagate the denial to child processes. The series is named "MDWE
without inheritance".
- Kefeng Wang has provided the series "mm: convert numa balancing
functions to use a folio" which does what it says.
- In the series "mm/ksm: add fork-exec support for prctl" Stefan Roesch
makes is possible for a process to propagate KSM treatment across
exec().
- Huang Ying has enhanced memory tiering's calculation of memory
distances. This is used to permit the dax/kmem driver to use "high
bandwidth memory" in addition to Optane Data Center Persistent Memory
Modules (DCPMM). The series is named "memory tiering: calculate
abstract distance based on ACPI HMAT"
- In the series "Smart scanning mode for KSM" Stefan Roesch has
optimized KSM by teaching it to retain and use some historical
information from previous scans.
- Yosry Ahmed has fixed some inconsistencies in memcg statistics in the
series "mm: memcg: fix tracking of pending stats updates values".
- In the series "Implement IOCTL to get and optionally clear info about
PTEs" Peter Xu has added an ioctl to /proc/<pid>/pagemap which permits
us to atomically read-then-clear page softdirty state. This is mainly
used by CRIU.
- Hugh Dickins contributed the series "shmem,tmpfs: general maintenance"
- a bunch of relatively minor maintenance tweaks to this code.
- Matthew Wilcox has increased the use of the VMA lock over file-backed
page faults in the series "Handle more faults under the VMA lock". Some
rationalizations of the fault path became possible as a result.
- In the series "mm/rmap: convert page_move_anon_rmap() to
folio_move_anon_rmap()" David Hildenbrand has implemented some cleanups
and folio conversions.
- In the series "various improvements to the GUP interface" Lorenzo
Stoakes has simplified and improved the GUP interface with an eye to
providing groundwork for future improvements.
- Andrey Konovalov has sent along the series "kasan: assorted fixes and
improvements" which does those things.
- Some page allocator maintenance work from Kemeng Shi in the series
"Two minor cleanups to break_down_buddy_pages".
- In thes series "New selftest for mm" Breno Leitao has developed
another MM self test which tickles a race we had between madvise() and
page faults.
- In the series "Add folio_end_read" Matthew Wilcox provides cleanups
and an optimization to the core pagecache code.
- Nhat Pham has added memcg accounting for hugetlb memory in the series
"hugetlb memcg accounting".
- Cleanups and rationalizations to the pagemap code from Lorenzo
Stoakes, in the series "Abstract vma_merge() and split_vma()".
- Audra Mitchell has fixed issues in the procfs page_owner code's new
timestamping feature which was causing some misbehaviours. In the
series "Fix page_owner's use of free timestamps".
- Lorenzo Stoakes has fixed the handling of new mappings of sealed files
in the series "permit write-sealed memfd read-only shared mappings".
- Mike Kravetz has optimized the hugetlb vmemmap optimization in the
series "Batch hugetlb vmemmap modification operations".
- Some buffer_head folio conversions and cleanups from Matthew Wilcox in
the series "Finish the create_empty_buffers() transition".
- As a page allocator performance optimization Huang Ying has added
automatic tuning to the allocator's per-cpu-pages feature, in the series
"mm: PCP high auto-tuning".
- Roman Gushchin has contributed the patchset "mm: improve performance
of accounted kernel memory allocations" which improves their performance
by ~30% as measured by a micro-benchmark.
- folio conversions from Kefeng Wang in the series "mm: convert page
cpupid functions to folios".
- Some kmemleak fixups in Liu Shixin's series "Some bugfix about
kmemleak".
- Qi Zheng has improved our handling of memoryless nodes by keeping them
off the allocation fallback list. This is done in the series "handle
memoryless nodes more appropriately".
- khugepaged conversions from Vishal Moola in the series "Some
khugepaged folio conversions".
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Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Many singleton patches against the MM code. The patch series which are
included in this merge do the following:
- Kemeng Shi has contributed some compation maintenance work in the
series 'Fixes and cleanups to compaction'
- Joel Fernandes has a patchset ('Optimize mremap during mutual
alignment within PMD') which fixes an obscure issue with mremap()'s
pagetable handling during a subsequent exec(), based upon an
implementation which Linus suggested
- More DAMON/DAMOS maintenance and feature work from SeongJae Park i
the following patch series:
mm/damon: misc fixups for documents, comments and its tracepoint
mm/damon: add a tracepoint for damos apply target regions
mm/damon: provide pseudo-moving sum based access rate
mm/damon: implement DAMOS apply intervals
mm/damon/core-test: Fix memory leaks in core-test
mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval
- In the series 'Do not try to access unaccepted memory' Adrian
Hunter provides some fixups for the recently-added 'unaccepted
memory' feature. To increase the feature's checking coverage. 'Plug
a few gaps where RAM is exposed without checking if it is
unaccepted memory'
- In the series 'cleanups for lockless slab shrink' Qi Zheng has done
some maintenance work which is preparation for the lockless slab
shrinking code
- Qi Zheng has redone the earlier (and reverted) attempt to make slab
shrinking lockless in the series 'use refcount+RCU method to
implement lockless slab shrink'
- David Hildenbrand contributes some maintenance work for the rmap
code in the series 'Anon rmap cleanups'
- Kefeng Wang does more folio conversions and some maintenance work
in the migration code. Series 'mm: migrate: more folio conversion
and unification'
- Matthew Wilcox has fixed an issue in the buffer_head code which was
causing long stalls under some heavy memory/IO loads. Some cleanups
were added on the way. Series 'Add and use bdev_getblk()'
- In the series 'Use nth_page() in place of direct struct page
manipulation' Zi Yan has fixed a potential issue with the direct
manipulation of hugetlb page frames
- In the series 'mm: hugetlb: Skip initialization of gigantic tail
struct pages if freed by HVO' has improved our handling of gigantic
pages in the hugetlb vmmemmep optimizaton code. This provides
significant boot time improvements when significant amounts of
gigantic pages are in use
- Matthew Wilcox has sent the series 'Small hugetlb cleanups' - code
rationalization and folio conversions in the hugetlb code
- Yin Fengwei has improved mlock()'s handling of large folios in the
series 'support large folio for mlock'
- In the series 'Expose swapcache stat for memcg v1' Liu Shixin has
added statistics for memcg v1 users which are available (and
useful) under memcg v2
- Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
prctl so that userspace may direct the kernel to not automatically
propagate the denial to child processes. The series is named 'MDWE
without inheritance'
- Kefeng Wang has provided the series 'mm: convert numa balancing
functions to use a folio' which does what it says
- In the series 'mm/ksm: add fork-exec support for prctl' Stefan
Roesch makes is possible for a process to propagate KSM treatment
across exec()
- Huang Ying has enhanced memory tiering's calculation of memory
distances. This is used to permit the dax/kmem driver to use 'high
bandwidth memory' in addition to Optane Data Center Persistent
Memory Modules (DCPMM). The series is named 'memory tiering:
calculate abstract distance based on ACPI HMAT'
- In the series 'Smart scanning mode for KSM' Stefan Roesch has
optimized KSM by teaching it to retain and use some historical
information from previous scans
- Yosry Ahmed has fixed some inconsistencies in memcg statistics in
the series 'mm: memcg: fix tracking of pending stats updates
values'
- In the series 'Implement IOCTL to get and optionally clear info
about PTEs' Peter Xu has added an ioctl to /proc/<pid>/pagemap
which permits us to atomically read-then-clear page softdirty
state. This is mainly used by CRIU
- Hugh Dickins contributed the series 'shmem,tmpfs: general
maintenance', a bunch of relatively minor maintenance tweaks to
this code
- Matthew Wilcox has increased the use of the VMA lock over
file-backed page faults in the series 'Handle more faults under the
VMA lock'. Some rationalizations of the fault path became possible
as a result
- In the series 'mm/rmap: convert page_move_anon_rmap() to
folio_move_anon_rmap()' David Hildenbrand has implemented some
cleanups and folio conversions
- In the series 'various improvements to the GUP interface' Lorenzo
Stoakes has simplified and improved the GUP interface with an eye
to providing groundwork for future improvements
- Andrey Konovalov has sent along the series 'kasan: assorted fixes
and improvements' which does those things
- Some page allocator maintenance work from Kemeng Shi in the series
'Two minor cleanups to break_down_buddy_pages'
- In thes series 'New selftest for mm' Breno Leitao has developed
another MM self test which tickles a race we had between madvise()
and page faults
- In the series 'Add folio_end_read' Matthew Wilcox provides cleanups
and an optimization to the core pagecache code
- Nhat Pham has added memcg accounting for hugetlb memory in the
series 'hugetlb memcg accounting'
- Cleanups and rationalizations to the pagemap code from Lorenzo
Stoakes, in the series 'Abstract vma_merge() and split_vma()'
- Audra Mitchell has fixed issues in the procfs page_owner code's new
timestamping feature which was causing some misbehaviours. In the
series 'Fix page_owner's use of free timestamps'
- Lorenzo Stoakes has fixed the handling of new mappings of sealed
files in the series 'permit write-sealed memfd read-only shared
mappings'
- Mike Kravetz has optimized the hugetlb vmemmap optimization in the
series 'Batch hugetlb vmemmap modification operations'
- Some buffer_head folio conversions and cleanups from Matthew Wilcox
in the series 'Finish the create_empty_buffers() transition'
- As a page allocator performance optimization Huang Ying has added
automatic tuning to the allocator's per-cpu-pages feature, in the
series 'mm: PCP high auto-tuning'
- Roman Gushchin has contributed the patchset 'mm: improve
performance of accounted kernel memory allocations' which improves
their performance by ~30% as measured by a micro-benchmark
- folio conversions from Kefeng Wang in the series 'mm: convert page
cpupid functions to folios'
- Some kmemleak fixups in Liu Shixin's series 'Some bugfix about
kmemleak'
- Qi Zheng has improved our handling of memoryless nodes by keeping
them off the allocation fallback list. This is done in the series
'handle memoryless nodes more appropriately'
- khugepaged conversions from Vishal Moola in the series 'Some
khugepaged folio conversions'"
[ bcachefs conflicts with the dynamically allocated shrinkers have been
resolved as per Stephen Rothwell in
https://lore.kernel.org/all/20230913093553.4290421e@canb.auug.org.au/
with help from Qi Zheng.
The clone3 test filtering conflict was half-arsed by yours truly ]
* tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (406 commits)
mm/damon/sysfs: update monitoring target regions for online input commit
mm/damon/sysfs: remove requested targets when online-commit inputs
selftests: add a sanity check for zswap
Documentation: maple_tree: fix word spelling error
mm/vmalloc: fix the unchecked dereference warning in vread_iter()
zswap: export compression failure stats
Documentation: ubsan: drop "the" from article title
mempolicy: migration attempt to match interleave nodes
mempolicy: mmap_lock is not needed while migrating folios
mempolicy: alloc_pages_mpol() for NUMA policy without vma
mm: add page_rmappable_folio() wrapper
mempolicy: remove confusing MPOL_MF_LAZY dead code
mempolicy: mpol_shared_policy_init() without pseudo-vma
mempolicy trivia: use pgoff_t in shared mempolicy tree
mempolicy trivia: slightly more consistent naming
mempolicy trivia: delete those ancient pr_debug()s
mempolicy: fix migrate_pages(2) syscall return nr_failed
kernfs: drop shared NUMA mempolicy hooks
hugetlbfs: drop shared NUMA mempolicy pretence
mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets()
...
The ia64 architecture gets its well-earned retirement as planned,
now that there is one last (mostly) working release that will
be maintained as an LTS kernel.
The architecture specific system call tables are updated for
the added map_shadow_stack() syscall and to remove references
to the long-gone sys_lookup_dcookie() syscall.
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Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull ia64 removal and asm-generic updates from Arnd Bergmann:
- The ia64 architecture gets its well-earned retirement as planned,
now that there is one last (mostly) working release that will be
maintained as an LTS kernel.
- The architecture specific system call tables are updated for the
added map_shadow_stack() syscall and to remove references to the
long-gone sys_lookup_dcookie() syscall.
* tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
hexagon: Remove unusable symbols from the ptrace.h uapi
asm-generic: Fix spelling of architecture
arch: Reserve map_shadow_stack() syscall number for all architectures
syscalls: Cleanup references to sys_lookup_dcookie()
Documentation: Drop or replace remaining mentions of IA64
lib/raid6: Drop IA64 support
Documentation: Drop IA64 from feature descriptions
kernel: Drop IA64 support from sig_fault handlers
arch: Remove Itanium (IA-64) architecture
* Major refactoring of the CPU capability detection logic resulting in
the removal of the cpus_have_const_cap() function and migrating the
code to "alternative" branches where possible
* Backtrace/kgdb: use IPIs and pseudo-NMI
* Perf and PMU:
- Add support for Ampere SoC PMUs
- Multi-DTC improvements for larger CMN configurations with multiple
Debug & Trace Controllers
- Rework the Arm CoreSight PMU driver to allow separate registration of
vendor backend modules
- Fixes: add missing MODULE_DEVICE_TABLE to the amlogic perf
driver; use device_get_match_data() in the xgene driver; fix NULL
pointer dereference in the hisi driver caused by calling
cpuhp_state_remove_instance(); use-after-free in the hisi driver
* HWCAP updates:
- FEAT_SVE_B16B16 (BFloat16)
- FEAT_LRCPC3 (release consistency model)
- FEAT_LSE128 (128-bit atomic instructions)
* SVE: remove a couple of pseudo registers from the cpufeature code.
There is logic in place already to detect mismatched SVE features
* Miscellaneous:
- Reduce the default swiotlb size (currently 64MB) if no ZONE_DMA
bouncing is needed. The buffer is still required for small kmalloc()
buffers
- Fix module PLT counting with !RANDOMIZE_BASE
- Restrict CPU_BIG_ENDIAN to LLVM IAS 15.x or newer move
synchronisation code out of the set_ptes() loop
- More compact cpufeature displaying enabled cores
- Kselftest updates for the new CPU features
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"No major architecture features this time around, just some new HWCAP
definitions, support for the Ampere SoC PMUs and a few fixes/cleanups.
The bulk of the changes is reworking of the CPU capability checking
code (cpus_have_cap() etc).
- Major refactoring of the CPU capability detection logic resulting
in the removal of the cpus_have_const_cap() function and migrating
the code to "alternative" branches where possible
- Backtrace/kgdb: use IPIs and pseudo-NMI
- Perf and PMU:
- Add support for Ampere SoC PMUs
- Multi-DTC improvements for larger CMN configurations with
multiple Debug & Trace Controllers
- Rework the Arm CoreSight PMU driver to allow separate
registration of vendor backend modules
- Fixes: add missing MODULE_DEVICE_TABLE to the amlogic perf
driver; use device_get_match_data() in the xgene driver; fix
NULL pointer dereference in the hisi driver caused by calling
cpuhp_state_remove_instance(); use-after-free in the hisi driver
- HWCAP updates:
- FEAT_SVE_B16B16 (BFloat16)
- FEAT_LRCPC3 (release consistency model)
- FEAT_LSE128 (128-bit atomic instructions)
- SVE: remove a couple of pseudo registers from the cpufeature code.
There is logic in place already to detect mismatched SVE features
- Miscellaneous:
- Reduce the default swiotlb size (currently 64MB) if no ZONE_DMA
bouncing is needed. The buffer is still required for small
kmalloc() buffers
- Fix module PLT counting with !RANDOMIZE_BASE
- Restrict CPU_BIG_ENDIAN to LLVM IAS 15.x or newer move
synchronisation code out of the set_ptes() loop
- More compact cpufeature displaying enabled cores
- Kselftest updates for the new CPU features"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (83 commits)
arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer
arm64: module: Fix PLT counting when CONFIG_RANDOMIZE_BASE=n
arm64, irqchip/gic-v3, ACPI: Move MADT GICC enabled check into a helper
perf: hisi: Fix use-after-free when register pmu fails
drivers/perf: hisi_pcie: Initialize event->cpu only on success
drivers/perf: hisi_pcie: Check the type first in pmu::event_init()
arm64: cpufeature: Change DBM to display enabled cores
arm64: cpufeature: Display the set of cores with a feature
perf/arm-cmn: Enable per-DTC counter allocation
perf/arm-cmn: Rework DTC counters (again)
perf/arm-cmn: Fix DTC domain detection
drivers: perf: arm_pmuv3: Drop some unused arguments from armv8_pmu_init()
drivers: perf: arm_pmuv3: Read PMMIR_EL1 unconditionally
drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process
clocksource/drivers/arm_arch_timer: limit XGene-1 workaround
arm64: Remove system_uses_lse_atomics()
arm64: Mark the 'addr' argument to set_ptes() and __set_pte_at() as unused
drivers/perf: xgene: Use device_get_match_data()
perf/amlogic: add missing MODULE_DEVICE_TABLE
arm64/mm: Hoist synchronization out of set_ptes() loop
...
- Add a kselftest to check for unprobed DT devices
- Fix address translation for some 3 address cells cases
- Refactor firmware node refcounting for AMBA bus
- Add bindings for qcom,sm4450-pdc, Qualcomm Kryo 465 CPU, and Freescale
QMC HDLC
- Add Marantec vendor prefix
- Convert qcom,pm8921-keypad, cnxt,cx92755-wdt, da9062-wdt,
and atmel,at91rm9200-wdt bindings to DT schema
- Several additionalProperties/unevaluatedProperties on child node
schemas fixes
- Drop reserved-memory bindings which now live in dtschema project
- Fix a reference to rockchip,inno-usb2phy.yaml
- Remove backlight nodes from display panel examples
- Expand example for using DT_SCHEMA_FILES
- Merge simple LVDS panel bindings to one binding doc
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Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Add a kselftest to check for unprobed DT devices
- Fix address translation for some 3 address cells cases
- Refactor firmware node refcounting for AMBA bus
- Add bindings for qcom,sm4450-pdc, Qualcomm Kryo 465 CPU, and
Freescale QMC HDLC
- Add Marantec vendor prefix
- Convert qcom,pm8921-keypad, cnxt,cx92755-wdt, da9062-wdt, and
atmel,at91rm9200-wdt bindings to DT schema
- Several additionalProperties/unevaluatedProperties on child node
schemas fixes
- Drop reserved-memory bindings which now live in dtschema project
- Fix a reference to rockchip,inno-usb2phy.yaml
- Remove backlight nodes from display panel examples
- Expand example for using DT_SCHEMA_FILES
- Merge simple LVDS panel bindings to one binding doc
* tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (34 commits)
dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Add support for QMC HDLC
dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Add 'additionalProperties: false' in child nodes
dt-bindings: soc: fsl: cpm_qe: cpm1-scc-qmc: Fix example property name
dt-bindings: arm,coresight-cti: Add missing additionalProperties on child nodes
dt-bindings: arm,coresight-cti: Drop type for 'cpu' property
dt-bindings: soundwire: Add reference to soundwire-controller.yaml schema
dt-bindings: input: syna,rmi4: Make "additionalProperties: true" explicit
media: dt-bindings: ti,ds90ub960: Add missing type for "i2c-alias"
dt-bindings: input: qcom,pm8921-keypad: convert to YAML format
of: overlay: unittest: overlay_bad_unresolved: Spelling s/ok/okay/
of: address: Consolidate bus .map() functions
of: address: Store number of bus flag cells rather than bool
of: unittest: Add tests for address translations
of: address: Remove duplicated functions
of: address: Fix address translation when address-size is greater than 2
dt-bindings: watchdog: cnxt,cx92755-wdt: convert txt to yaml
dt-bindings: watchdog: da9062-wdt: convert txt to yaml
dt-bindings: watchdog: fsl,scu-wdt: Document imx8dl
dt-bindings: watchdog: atmel,at91rm9200-wdt: convert txt to yaml
dt-bindings: usb: rockchip,dwc3: update inno usb2 phy binding name
...
- Untangle the initialization and updates of passive and active trip
points in the ACPI thermal driver (Rafael Wysocki).
- Reduce code duplication related to the initialization and updates
of trip points in the ACPI thermal driver (Rafael Wysocki).
- Use trip pointers for cooling device binding in the ACPI thermal
driver (Rafael Wysocki).
- Simplify critical and hot trips representation in the ACPI thermal
driver (Rafael Wysocki).
- Use trip pointers in thermal governors and in the related part of
the thermal core (Rafael Wysocki).
- Drop the trips_disabled bitmask that has become redundant from the
thermal core (Rafael Wysocki).
- Avoid updating trip points when the thermal zone temperature falls
into a trip point's hysteresis range (Ãcolas F. R. A. Prado).
- Add power floor notifications support to the int340x thermal control
driver (Srinivas Pandruvada).
- Rework updating trip points in the int340x thermal driver so that it
does not access thermal zone internals directly (Rafael Wysocki).
- Use param_get_byte() instead of param_get_int() as the max_idle module
parameter .get() callback in the Intel powerclamp thermal driver to
avoid possible out-of-bounds access (David Arcari).
- Add workload hints support to the int340x thermal driver (Srinivas
Pandruvada).
- Add support for Mediatek LVTS MT8192 along with suspend/resume
routines (Balsam Chihi).
- Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
Schneider-Pargmann).
- Remove duplicate error message from the max76620 driver when
thermal_of_zone_register() fails (Thierry Reding).
- Add i.MX7D compatible bindings to fix a warning from dtbs_check for
the imx6ul platform (Alexander Stein).
- Add sa8775p compatible to the QCom tsens driver (Priyansh Jain).
- Fix error check in lvts_debugfs_init() to be against PTR_ERR() in the
LVTS Mediatek driver (Minjie Du).
- Remove unused variable in thermal/tools (Kuan-Wei Chiu).
- Document the imx8dl thermal sensor (Fabio Estevam).
- Add variable names in callback prototypes to prevent warning from
checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel).
- Add missing unevaluatedProperties on child node schemas for tegra124
(Rob Herring)
- Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich).
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Merge tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These further rework the ACPI thermal driver, after the changes made
to it in the previous cycle, to make it easier to grasp, get rid of
redundant pieces of internal data structures and eliminate its
reliance on a specific ordering of trip point objects in the thermal
core, make thermal core adjustments needed for the ACPI thermal driver
rework, modify the thermal governor interface so as to use trip
pointers for representing trip points in it, switch over multiple
thermal drivers to using void platform driver remove callbacks, add
support for 2 hardware features to the Intel int340x thermal driver,
add support for new hardware on ARM platforms, update documentation,
fix problems, clean up code and update the MAINTAINERS record for
thermal control.
Specifics:
- Untangle the initialization and updates of passive and active trip
points in the ACPI thermal driver (Rafael Wysocki)
- Reduce code duplication related to the initialization and updates
of trip points in the ACPI thermal driver (Rafael Wysocki)
- Use trip pointers for cooling device binding in the ACPI thermal
driver (Rafael Wysocki)
- Simplify critical and hot trips representation in the ACPI thermal
driver (Rafael Wysocki)
- Use trip pointers in thermal governors and in the related part of
the thermal core (Rafael Wysocki)
- Drop the trips_disabled bitmask that has become redundant from the
thermal core (Rafael Wysocki)
- Avoid updating trip points when the thermal zone temperature falls
into a trip point's hysteresis range (Ãcolas F. R. A. Prado)
- Add power floor notifications support to the int340x thermal
control driver (Srinivas Pandruvada)
- Rework updating trip points in the int340x thermal driver so that
it does not access thermal zone internals directly (Rafael
Wysocki)
- Use param_get_byte() instead of param_get_int() as the max_idle
module parameter .get() callback in the Intel powerclamp thermal
driver to avoid possible out-of-bounds access (David Arcari)
- Add workload hints support to the int340x thermal driver (Srinivas
Pandruvada)
- Add support for Mediatek LVTS MT8192 along with suspend/resume
routines (Balsam Chihi)
- Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
Schneider-Pargmann)
- Remove duplicate error message from the max76620 driver when
thermal_of_zone_register() fails (Thierry Reding)
- Add i.MX7D compatible bindings to fix a warning from dtbs_check for
the imx6ul platform (Alexander Stein)
- Add sa8775p compatible to the QCom tsens driver (Priyansh Jain)
- Fix error check in lvts_debugfs_init() to be against PTR_ERR() in
the LVTS Mediatek driver (Minjie Du)
- Remove unused variable in thermal/tools (Kuan-Wei Chiu)
- Document the imx8dl thermal sensor (Fabio Estevam)
- Add variable names in callback prototypes to prevent warning from
checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel)
- Add missing unevaluatedProperties on child node schemas for
tegra124 (Rob Herring)
- Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich)"
* tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (111 commits)
thermal: ACPI: Include the right header file
thermal: core: Don't update trip points inside the hysteresis range
thermal: core: Pass trip pointer to governor throttle callback
thermal: gov_step_wise: Fold update_passive_instance() into its caller
thermal: gov_power_allocator: Use trip pointers instead of trip indices
thermal: gov_fair_share: Rearrange get_trip_level()
thermal: trip: Define for_each_trip() macro
thermal: trip: Simplify computing trip indices
thermal/qcom/tsens: Drop ops_v0_1
thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation
thermal/drivers/mediatek/lvts_thermal: Add mt8192 support
thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for mt8192
thermal/drivers/mediatek: Fix probe for THERMAL_V2
thermal/drivers/max77620: Remove duplicate error message
dt-bindings: timer: add imx7d compatible
dt-bindings: net: microchip: Allow nvmem-cell usage
dt-bindings: imx-thermal: Add #thermal-sensor-cells property
dt-bindings: thermal: tsens: Add sa8775p compatible
thermal/drivers/mediatek/lvts_thermal: Fix error check in lvts_debugfs_init()
...
- Add new NX-stack self-test
- Improve NUMA partial-CFMWS handling
- Fix #VC handler bugs resulting in SEV-SNP boot failures
- Drop the 4MB memory size restriction on minimal NUMA nodes
- Reorganize headers a bit, in preparation to header dependency reduction efforts
- Misc cleanups & fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm handling updates from Ingo Molnar:
- Add new NX-stack self-test
- Improve NUMA partial-CFMWS handling
- Fix #VC handler bugs resulting in SEV-SNP boot failures
- Drop the 4MB memory size restriction on minimal NUMA nodes
- Reorganize headers a bit, in preparation to header dependency
reduction efforts
- Misc cleanups & fixes
* tag 'x86-mm-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size
selftests/x86/lam: Zero out buffer for readlink()
x86/sev: Drop unneeded #include
x86/sev: Move sev_setup_arch() to mem_encrypt.c
x86/tdx: Replace deprecated strncpy() with strtomem_pad()
selftests/x86/mm: Add new test that userspace stack is in fact NX
x86/sev: Make boot_ghcb_page[] static
x86/boot: Move x86_cache_alignment initialization to correct spot
x86/sev-es: Set x86_virt_bits to the correct value straight away, instead of a two-phase approach
x86/sev-es: Allow copy_from_kernel_nofault() in earlier boot
x86_64: Show CR4.PSE on auxiliaries like on BSP
x86/iommu/docs: Update AMD IOMMU specification document URL
x86/sev/docs: Update document URL in amd-memory-encryption.rst
x86/mm: Move arch_memory_failure() and arch_is_platform_page() definitions from <asm/processor.h> to <asm/pgtable.h>
ACPI/NUMA: Apply SRAT proximity domain to entire CFMWS window
x86/numa: Introduce numa_fill_memblks()
Merge updates of the ACPI AC and ACPI PAD drivers and PNP updates for
6.7-rc1:
- Switch over the ACPI AC and ACPI PAD drivers to using the platform
driver interface which, is more logically consistent than binding a
driver directly to an ACPI device object, and clean them up (Michal
Wilczynski).
- Replace strncpy() in the PNP code with either memcpy() or strscpy()
as appropriate (Justin Stitt).
- Clean up coding style in pnp.h (GuoHua Cheng).
* acpi-ac:
ACPI: AC: Rename ACPI device from device to adev
ACPI: AC: Replace acpi_driver with platform_driver
ACPI: AC: Use string_choices API instead of ternary operator
ACPI: AC: Remove redundant checks
* acpi-pad:
ACPI: acpi_pad: Rename ACPI device from device to adev
ACPI: acpi_pad: Use dev groups for sysfs
ACPI: acpi_pad: Replace acpi_driver with platform_driver
* pnp:
PNP: replace deprecated strncpy() with memcpy()
PNP: ACPI: replace deprecated strncpy() with strscpy()
PNP: Clean up coding style in pnp.h
Merge ACPI bus type driver updates for 6.7-rc1:
- Add context argument to acpi_dev_install_notify_handler() (Rafael
Wysocki).
- Clarify ACPI bus concepts in the ACPI device enumeration
documentation (Rafael Wysocki).
* acpi-bus:
ACPI: bus: Add context argument to acpi_dev_install_notify_handler()
ACPI: docs: enumeration: Clarify ACPI bus concepts
Merge ACPI EC driver updates, ACPI sysfs interface updates, misc updates
related to ACPI and changes related to ACPI _UID handling for 6.7-rc1:
- Add EC GPE detection quirk for HP 250 G7 Notebook PC (Jonathan
Denose).
- Fix and clean up create_pnp_modalias() and create_of_modalias()
(Christophe JAILLET).
- Modify 2 pieces of code to use acpi_evaluate_dsm_typed() (Andy
Shevchenko).
- Define acpi_dev_uid_match() for matching _UID and use it in several
places (Raag Jadav).
- Use acpi_device_uid() for fetching _UID in 2 places (Raag Jadav).
* acpi-ec:
ACPI: EC: Add quirk for HP 250 G7 Notebook PC
* acpi-sysfs:
ACPI: sysfs: Clean up create_pnp_modalias() and create_of_modalias()
ACPI: sysfs: Fix create_pnp_modalias() and create_of_modalias()
* acpi-misc:
ACPI: x86: s2idle: Switch to use acpi_evaluate_dsm_typed()
ACPI: PCI: Switch to use acpi_evaluate_dsm_typed()
* acpi-uid:
perf: arm_cspmu: use acpi_dev_hid_uid_match() for matching _HID and _UID
ACPI: x86: use acpi_dev_uid_match() for matching _UID
ACPI: utils: use acpi_dev_uid_match() for matching _UID
pinctrl: intel: use acpi_dev_uid_match() for matching _UID
ACPI: utils: Introduce acpi_dev_uid_match() for matching _UID
perf: qcom: use acpi_device_uid() for fetching _UID
ACPI: sysfs: use acpi_device_uid() for fetching _UID
Merge ACPI utilities updates, ACPI resource management updates, ACPI
device properties management updates and ACPI LPSS (Intel SoC) driver
update for 6.7-rc1:
- Rework acpi_handle_list handling so as to manage it dynamically,
including size computation (Rafael Wysocki).
- Clean up ACPI utilities code so as to make it follow the kernel
coding style (Jonathan Bergh).
- Consolidate IRQ trigger-type override DMI tables and drop .ident
values from dmi_system_id tables used for ACPI resources management
quirks (Hans de Goede).
- Add ACPI IRQ override for TongFang GMxXGxx (Werner Sembach).
- Allow _DSD buffer data only for byte accessors and document the _DSD
data buffer GUID (Andy Shevchenko).
- Drop BayTrail and Lynxpoint pinctrl device IDs from the ACPI LPSS
driver, because it does not need them (Raag Jadav).
* acpi-utils:
ACPI: utils: Remove redundant braces around individual statement
ACPI: utils: Fix up white space in a few places
ACPI: utils: Dynamically determine acpi_handle_list size
ACPI: thermal: Merge trip initialization functions
ACPI: thermal: Collapse trip devices update function wrappers
ACPI: thermal: Collapse trip devices update functions
ACPI: thermal: Add device list to struct acpi_thermal_trip
ACPI: thermal: Fix a small leak in acpi_thermal_add()
ACPI: thermal: Drop valid flag from struct acpi_thermal_trip
ACPI: thermal: Drop redundant trip point flags
ACPI: thermal: Untangle initialization and updates of active trips
ACPI: thermal: Untangle initialization and updates of the passive trip
ACPI: thermal: Simplify critical and hot trips representation
ACPI: thermal: Create and populate trip points table earlier
ACPI: thermal: Determine the number of trip points earlier
ACPI: thermal: Fold acpi_thermal_get_info() into its caller
ACPI: thermal: Simplify initialization of critical and hot trips
* acpi-resource:
ACPI: resource: Do IRQ override on TongFang GMxXGxx
ACPI: resource: Drop .ident values from dmi_system_id tables
ACPI: resource: Consolidate IRQ trigger-type override DMI tables
* acpi-property:
ACPI: property: Document the _DSD data buffer GUID
ACPI: property: Allow _DSD buffer data only for byte accessors
* acpi-soc:
ACPI: LPSS: drop BayTrail and Lynxpoint pinctrl HIDs
Merge ACPI updates related to device enumeration, low-level interface
for ACPICA (OSL), _OSI handling and table parsing for 6.7-rc1:
- Use the acpi_device_is_present() helper in more places and rename
acpi_scan_device_not_present() to be about enumeration (James Morse).
- Add __printf format attribute to acpi_os_vprintf() (Su Hui).
- Clean up departures from kernel coding style in the low-level
interface for ACPICA (Jonathan Bergh).
- Replace strncpy() with strscpy() in acpi_osi_setup() (Justin Stitt).
- Fail FPDT parsing on zero length records and add proper handling for
fpdt_process_subtable() to acpi_init_fpdt() (Vasily Khoruzhick).
* acpi-scan:
ACPI: scan: Rename acpi_scan_device_not_present() to be about enumeration
ACPI: scan: Use the acpi_device_is_present() helper in more places
* acpi-osl:
ACPI: OSL: Add empty lines after local variable declarations
ACPI: OSL: Remove redundant parentheses in return statements
ACPI: OSL: Fix up white space in parameter lists
ACPI: OSL: add __printf format attribute to acpi_os_vprintf()
* acpi-osi:
ACPI: OSI: refactor deprecated strncpy()
* acpi-tables:
ACPI: FPDT: properly handle invalid FPDT subtables
The TongFang GMxXGxx/TUXEDO Stellaris/Pollaris Gen5 needs IRQ overriding
for the keyboard to work.
Adding an entry for this laptop to the override_table makes the internal
keyboard functional.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add GPE quirk entry for HP 250 G7 Notebook PC.
This change allows the lid switch to be identified as the lid switch
and not a keyboard button. With the lid switch properly identified, the
device triggers suspend correctly on lid close.
Signed-off-by: Jonathan Denose <jdenose@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Convert manual _UID references to use the standard ACPI helper.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Convert manual _UID references to use the standard ACPI helper.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce acpi_dev_uid_match() helper that matches the device with
supplied _UID string.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
'modalias' is only written with snprintf() and it is already guaranteed
to be nul-terminated, so remove the unneeded (but harmless) writes of a
trailing '\0' to it.
Also snprintf() never returns negative values, so remove redundant (but
harmless) checks for it.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ rjw: Merge two patches into one, combine changelogs, add subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
snprintf() does not return negative values on error.
To know if the buffer was too small, the returned value needs to be
compared with the length of the passed buffer. If it is greater or
equal, the output has been truncated, so add checks for the truncation
to create_pnp_modalias() and create_of_modalias(). Also make them
return -ENOMEM in that case, as they already do that elsewhere.
Moreover, the remaining size of the buffer used by snprintf() needs to
be updated after the first write to avoid out-of-bounds access as
already done correctly in create_pnp_modalias(), but not in
create_of_modalias(), so change the latter accordingly.
Fixes: 8765c5ba19 ("ACPI / scan: Rework modalias creation when "compatible" is present")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ rjw: Merge two patches into one, combine changelogs, add subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since transformation from ACPI driver to platform driver there are two
devices on which the driver operates - ACPI device and platform device.
For the sake of reader this calls for the distinction in their naming,
to avoid confusion. Rename device to adev, as corresponding
platform device is called pdev.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Change the way sysfs files are created. Use dev_groups, as it's a
better approach - it allows to declare attributes, and the core code
would take care of the lifecycle of those objects.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The acpi_pad driver uses struct acpi_driver to register itself while it
would be more logically consistent to use struct platform_driver for this
purpose, because the corresponding platform device is present and the
role of struct acpi_device is to amend the other bus types. ACPI devices
are not meant to be used as proper representation of hardware entities,
but to collect information on those hardware entities provided by the
platform firmware.
Use struct platform_driver for registering the acpi_pad driver.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Slow devices such as flash may not meet the default 1ms timeout value,
so use the ERST max execution time value that they provide as the
timeout if it is larger.
Signed-off-by: Jeshua Smith <jeshuas@nvidia.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPI, irqchip and the architecture code all inspect the MADT
enabled bit for a GICC entry in the MADT.
The addition of an 'online capable' bit means all these sites need
updating.
Move the current checks behind a helper to make future updates easier.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Acked-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/E1quv5D-00AeNJ-U8@rmk-PC.armlinux.org.uk
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
acpi_scan_device_not_present() is called when a device in the
hierarchy is not available for enumeration. Historically enumeration
was only based on whether the device was present.
To add support for only enumerating devices that are both present
and enabled, this helper should be renamed. It was only ever about
enumeration, rename it acpi_scan_device_not_enumerated().
No change in behaviour is intended.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If there is no NFIT at startup, it will return 0 immediately in function
acpi_nfit_add() and will not install Notify() handler. If hotplugging
a nvdimm device later, it will not be identified as there is no Notify()
handler.
Install the handler before getting NFI table in function acpi_nfit_add()
to avoid above issue.
Fixes: dcca12ab62 ("ACPI: NFIT: Install Notify() handler directly")
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Convert manual _UID references to use the standard ACPI helper.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_device_is_present() checks the present or functional bits
from the cached copy of _STA.
A few places open-code this check. Use the helper instead to
improve readability.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_agdi_init() in acpi_arm_init() will register a SDEI event, so
it needs the SDEI subsystem to be initialized (which is done in
acpi_ghes_init()) before the AGDI driver probing.
In commit fcea0ccf4f ("ACPI: bus: Consolidate all arm specific
initialisation into acpi_arm_init()"), the acpi_agdi_init() was
called before acpi_ghes_init() and it causes following failure:
| [ 0.515864] sdei: Failed to create event 1073741825: -5
| [ 0.515866] agdi agdi.0: Failed to register for SDEI event 1073741825
| [ 0.515867] agdi: probe of agdi.0 failed with error -5
| ...
| [ 0.516022] sdei: SDEIv1.0 (0x0) detected in firmware.
Fix it by moving acpi_arm_init() to the place of after
acpi_ghes_init().
Fixes: fcea0ccf4f ("ACPI: bus: Consolidate all arm specific initialisation into acpi_arm_init()")
Reported-by: D Scott Phillips <scott@os.amperecomputing.com>
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: D Scott Phillips <scott@os.amperecomputing.com>
Cc: 6.5+ <stable@vger.kernel.org> # 6.5+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_register_gsi() should return a negative value in case of failure.
Currently, it returns the return value from irq_create_fwspec_mapping().
However, irq_create_fwspec_mapping() returns 0 for failure. Fix the
issue by returning -EINVAL if irq_create_fwspec_mapping() returns zero.
Fixes: d44fa3d460 ("ACPI: Add support for ResourceSource/IRQ domain mapping")
Cc: 4.11+ <stable@vger.kernel.org> # 4.11+
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
[ rjw: Rename a new local variable ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently the ACPI code doesn't bump the reference count of
the firmware node, while OF counter part does. Not that it's
a problem right now, since ACPI doesn't really use the reference
counting for firmware nodes, it still makes sense to make code
robust against any changes done there. For this,
- switch ACPI case to use device_set_node() to be unified with OF
- move reference counting to amba_device_add()
- switch to use firmware nodes instead of OF ones
In the result we will have reference counting done in the same module
for all callers independently on the nature of firmware node behind.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231006145732.3419115-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Rob Herring <robh@kernel.org>
Since transformation from ACPI driver to platform driver there are two
devices on which the driver operates - ACPI device and platform device.
For the sake of reader this calls for the distinction in their naming,
to avoid confusion. Rename device to adev, as corresponding
platform device is called pdev.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
A memory tiering abstract distance calculation algorithm based on ACPI
HMAT is implemented. The basic idea is as follows.
The performance attributes of system default DRAM nodes are recorded as
the base line. Whose abstract distance is MEMTIER_ADISTANCE_DRAM. Then,
the ratio of the abstract distance of a memory node (target) to
MEMTIER_ADISTANCE_DRAM is scaled based on the ratio of the performance
attributes of the node to that of the default DRAM nodes.
The functions to record the read/write latency/bandwidth of the default
DRAM nodes and calculate abstract distance according to read/write
latency/bandwidth ratio will be used by CXL CDAT (Coherent Device
Attribute Table) and other memory device drivers. So, they are put in
memory-tiers.c.
Link: https://lkml.kernel.org/r/20230926060628.265989-4-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Tested-by: Bharata B Rao <bharata@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Rafael J Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Previously, in hmat_register_target_initiators(), the performance
attributes are calculated and the corresponding sysfs links and files are
created too. Which is called during memory onlining.
But now, to calculate the abstract distance of a memory target before
memory onlining, we need to calculate the performance attributes for a
memory target without creating sysfs links and files.
To do that, hmat_register_target_initiators() is refactored to make it
possible to calculate performance attributes separately.
Link: https://lkml.kernel.org/r/20230926060628.265989-3-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Alistair Popple <apopple@nvidia.com>
Tested-by: Alistair Popple <apopple@nvidia.com>
Tested-by: Bharata B Rao <bharata@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Rafael J Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
prototypes between architectures.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
"Fix a Longsoon build warning by harmonizing the
arch_[un]register_cpu() prototypes between architectures"
* tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu-hotplug: Provide prototypes for arch CPU registration
The AC driver uses struct acpi_driver to register itself while it would
be more logically consistent to use struct platform_driver for this
purpose, because the corresponding platform device is present and the
role of struct acpi_device is to amend the other bus types. ACPI devices
are not meant to be used as proper representation of hardware entities,
but to collect information on those hardware entities provided by the
platform firmware.
Use struct platform_driver for registering the AC driver.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Changelog edits, acpi_ac_notify() modifications fixup ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Use modern string_choices API instead of manually determining the
output using ternary operator.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Remove unnecessary checks against NULL for pointers that can't be NULL
when the checks are done.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge ACPI EC driver and ACPI resources handlig changes for 6.6-rc6:
- Add EC GPE fixup quirk for HP Pavilion Gaming 15-dk1xxx (Hans de
Goede).
- Add ACPI IRQ override quirks for TongFang GM6BGEQ, GM6BG5Q and
GM6BG0Q, and for ASUS ExpertBook B1402CBA (ans de Goede).
* acpi-ec:
ACPI: EC: Add quirk for the HP Pavilion Gaming 15-dk1xxx
* acpi-resource:
ACPI: resource: Add TongFang GM6BGEQ, GM6BG5Q and GM6BG0Q to irq1_edge_low_force_override[]
ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CBA
Provide common prototypes for arch_register_cpu() and
arch_unregister_cpu(). These are called by acpi_processor.c, with weak
versions, so the prototype for this is already set. It is generally not
necessary for function prototypes to be conditional on preprocessor macros.
Some architectures (e.g. Loongarch) are missing the prototype for this, and
rather than add it to Loongarch's asm/cpu.h, do the job once for everyone.
Since this covers everyone, remove the now unnecessary prototypes in
asm/cpu.h, and therefore remove the 'static' from one of ia64's
arch_register_cpu() definitions.
[ tglx: Bring back the ia64 part and remove the ACPI prototypes ]
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/E1qkoRr-0088Q8-Da@rmk-PC.armlinux.org.uk
The TongFang GM6BGEQ, GM6BG5Q and GM6BG0Q are 3 GPU variants of a TongFang
barebone design which is sold under various brand names.
The ACPI IRQ override for the keyboard IRQ must be used on these AMD Zen
laptops in order for the IRQ to work.
Adjust the pcspecialist_laptop[] DMI match table for this:
1. Drop the sys-vendor match from the existing PCSpecialist Elimina Pro 16
entry for the GM6BGEQ (RTX3050 GPU) model so that it will also match
the laptop when sold by other vendors such as hyperbook.pl.
2. Add board-name matches for the GM6BG5Q (RTX4050) and GM6B0Q (RTX4060)
models.
Note the .ident values of the dmi_system_id structs are left unset
since these are not used.
Suggested-by: August Wikerfors <git@augustwikerfors.se>
Reported-by: Francesco <f.littarru@outlook.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217394
Link: https://laptopparts4less.frl/index.php?route=product/search&filter_name=GM6BG
Link: https://hyperbook.pl/en/content/14-hyperbook-drivers
Link: https://linux-hardware.org/?probe=bfa70344e3
Link: https://bbs.archlinuxcn.org/viewtopic.php?id=13313
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
First found this typo as reviewing memory tier code. Fix it by sed like:
$ sed -i 's/sibiling/sibling/g' $(git grep -l sibiling)
so the acpi one will be corrected as well.
Link: https://lkml.kernel.org/r/20230802092856.819328-1-lizhijian@cn.fujitsu.com
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Huang, Ying <ying.huang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Add void *context arrgument to the list of arguments of
acpi_dev_install_notify_handler() and modify it to pass that argument
as context to acpi_install_notify_handler() instead of its first
argument which is problematic in general (for example, if platform
drivers used it, they would rather get struct platform_device pointers
or pointers to their private data from the context arguments of their
notify handlers).
Make all of the current callers of acpi_dev_install_notify_handler()
take this change into account so as to avoid altering the general
functionality.
Co-developed-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Workaround for Cortex-A520 erratum #2966298
- Fix typo in Arm CMN PMU driver that breaks counter overflow handling
- Fix timer handling across idle for Qualcomm custom CPUs
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A typo fix for a PMU driver, a workround for a side-channel erratum on
Cortex-A520 and a fix for the local timer save/restore when using ACPI
with Qualcomm's custom CPUs:
- Workaround for Cortex-A520 erratum #2966298
- Fix typo in Arm CMN PMU driver that breaks counter overflow handling
- Fix timer handling across idle for Qualcomm custom CPUs"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
cpuidle, ACPI: Evaluate LPI arch_flags for broadcast timer
arm64: errata: Add Cortex-A520 speculative unprivileged load workaround
arm64: Add Cortex-A520 CPU part definition
perf/arm-cmn: Fix the unhandled overflow status of counter 4 to 7
Rearrange the code handling notifications from the platform firmware
regarding trip point updates to carry out one loop over trip points
instead of two of them by using thermal_zone_for_each_trip() for that,
which is more straightforward than using a combination of
thermal_zone_device_exec() and for_each_thermal_trip(), each with its
own callback function.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Combine acpi_thermal_update_passive_trip() and
acpi_thermal_update_active_trip() into one common function called
acpi_thermal_update_trip(), so as to reduce code duplication and
prepare the code in question for subsequent changes.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Put the get_active_temp() function next to the analogous
get_passive_temp() one to allow subsequent changes to be easier to
follow.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
