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Rather than incurring a division or requesting too many random bytes for
the given range, use the prandom_u32_max() function, which only takes
the minimum required bytes from the RNG and avoids divisions. This was
done mechanically with this coccinelle script:
@basic@
expression E;
type T;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u64;
@@
(
- ((T)get_random_u32() % (E))
+ prandom_u32_max(E)
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- ((T)get_random_u32() & ((E) - 1))
+ prandom_u32_max(E * XXX_MAKE_SURE_E_IS_POW2)
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- ((u64)(E) * get_random_u32() >> 32)
+ prandom_u32_max(E)
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- ((T)get_random_u32() & ~PAGE_MASK)
+ prandom_u32_max(PAGE_SIZE)
)
@multi_line@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
identifier RAND;
expression E;
@@
- RAND = get_random_u32();
... when != RAND
- RAND %= (E);
+ RAND = prandom_u32_max(E);
// Find a potential literal
@literal_mask@
expression LITERAL;
type T;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
position p;
@@
((T)get_random_u32()@p & (LITERAL))
// Add one to the literal.
@script:python add_one@
literal << literal_mask.LITERAL;
RESULT;
@@
value = None
if literal.startswith('0x'):
value = int(literal, 16)
elif literal[0] in '123456789':
value = int(literal, 10)
if value is None:
print("I don't know how to handle %s" % (literal))
cocci.include_match(False)
elif value == 2**32 - 1 or value == 2**31 - 1 or value == 2**24 - 1 or value == 2**16 - 1 or value == 2**8 - 1:
print("Skipping 0x%x for cleanup elsewhere" % (value))
cocci.include_match(False)
elif value & (value + 1) != 0:
print("Skipping 0x%x because it's not a power of two minus one" % (value))
cocci.include_match(False)
elif literal.startswith('0x'):
coccinelle.RESULT = cocci.make_expr("0x%x" % (value + 1))
else:
coccinelle.RESULT = cocci.make_expr("%d" % (value + 1))
// Replace the literal mask with the calculated result.
@plus_one@
expression literal_mask.LITERAL;
position literal_mask.p;
expression add_one.RESULT;
identifier FUNC;
@@
- (FUNC()@p & (LITERAL))
+ prandom_u32_max(RESULT)
@collapse_ret@
type T;
identifier VAR;
expression E;
@@
{
- T VAR;
- VAR = (E);
- return VAR;
+ return E;
}
@drop_var@
type T;
identifier VAR;
@@
{
- T VAR;
... when != VAR
}
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: KP Singh <kpsingh@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz> # for ext4 and sbitmap
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> # for drbd
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Heiko Carstens <hca@linux.ibm.com> # for s390
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc
Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"There is nothing exciting going on, no core changes, just a few
drivers and cleanups.
New drivers:
- Cypress CY8C95x0 chip pin control support, along with an immediate
cleanup
- Mediatek MT8188 SoC pin control support
- Qualcomm SM8450 and SC8280XP LPASS (low power audio subsystem) pin
control support
- Qualcomm PM7250, PM8450
- Rockchip RV1126 SoC pin control support
Improvements:
- Fix some missing pins in the Armada 37xx driver
- Convert Broadcom and Nomadik drivers to use PINCTRL_PINGROUP()
macro
- Fix some GPIO irq_chips to be immutable
- Massive Qualcomm device tree binding cleanup, with more to come"
* tag 'pinctrl-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (119 commits)
MAINTAINERS: adjust STARFIVE JH7100 PINCTRL DRIVER after file movement
pinctrl: starfive: Rename "pinctrl-starfive" to "pinctrl-starfive-jh7100"
pinctrl: Create subdirectory for StarFive drivers
dt-bindings: pinctrl: st,stm32: Document interrupt-controller property
dt-bindings: pinctrl: st,stm32: Document gpio-hog pattern property
dt-bindings: pinctrl: st,stm32: Document gpio-line-names
pinctrl: st: stop abusing of_get_named_gpio()
pinctrl: wpcm450: Correct the fwnode_irq_get() return value check
pinctrl: bcm: Remove unused struct bcm6328_pingroup
pinctrl: qcom: restrict drivers per ARM/ARM64
pinctrl: bcm: ns: Remove redundant dev_err call
gpio: rockchip: request GPIO mux to pinctrl when setting direction
pinctrl: rockchip: add pinmux_ops.gpio_set_direction callback
pinctrl: cy8c95x0: Align function names in cy8c95x0_pmxops
pinctrl: cy8c95x0: Drop atomicity on operations on push_pull
pinctrl: cy8c95x0: Lock register accesses in cy8c95x0_set_mux()
pinctrl: sunxi: sun50i-h5: Switch to use dev_err_probe() helper
pinctrl: stm32: Switch to use dev_err_probe() helper
dt-bindings: qcom-pmic-gpio: Add PM7250B and PM8450 bindings
pinctrl: qcom: spmi-gpio: Add compatible for PM7250B
...
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Commit 987f20a9dcce ("a.out: Remove the a.out implementation") removes
CONFIG_OSF4_COMPAT and its functionality. Hence, sys_osf_{readv,writev}
are now just aliases of sys_{readv,writev}.
Remove these needless aliases.
[ Identical patch also posted by Jason A. Donenfeld ]
Link: https://lore.kernel.org/lkml/CAHk-=wjwvBc3VQMNtUVUrMBVoMPSPu26OuatZ_+1gZ2m-PmmRA@mail.gmail.com/
Link: https://lore.kernel.org/all/20221004135301.1420873-1-Jason@zx2c4.com/
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The merge of the kbuild tree dropped the renaming of the FSL_BOOKE
kconfig option.
Fixes: 8afc66e8d43b ("Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
linux-next for a couple of months without, to my knowledge, any
negative reports (or any positive ones, come to that).
- Also the Maple Tree from Liam Howlett. An overlapping range-based
tree for vmas. It it apparently slightly more efficient in its own
right, but is mainly targeted at enabling work to reduce mmap_lock
contention.
Liam has identified a number of other tree users in the kernel which
could be beneficially onverted to mapletrees.
Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
at [1]. This has yet to be addressed due to Liam's unfortunately
timed vacation. He is now back and we'll get this fixed up.
- Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer. It uses
clang-generated instrumentation to detect used-unintialized bugs down
to the single bit level.
KMSAN keeps finding bugs. New ones, as well as the legacy ones.
- Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
memory into THPs.
- Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to
support file/shmem-backed pages.
- userfaultfd updates from Axel Rasmussen
- zsmalloc cleanups from Alexey Romanov
- cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and
memory-failure
- Huang Ying adds enhancements to NUMA balancing memory tiering mode's
page promotion, with a new way of detecting hot pages.
- memcg updates from Shakeel Butt: charging optimizations and reduced
memory consumption.
- memcg cleanups from Kairui Song.
- memcg fixes and cleanups from Johannes Weiner.
- Vishal Moola provides more folio conversions
- Zhang Yi removed ll_rw_block() :(
- migration enhancements from Peter Xu
- migration error-path bugfixes from Huang Ying
- Aneesh Kumar added ability for a device driver to alter the memory
tiering promotion paths. For optimizations by PMEM drivers, DRM
drivers, etc.
- vma merging improvements from Jakub Matěn.
- NUMA hinting cleanups from David Hildenbrand.
- xu xin added aditional userspace visibility into KSM merging
activity.
- THP & KSM code consolidation from Qi Zheng.
- more folio work from Matthew Wilcox.
- KASAN updates from Andrey Konovalov.
- DAMON cleanups from Kaixu Xia.
- DAMON work from SeongJae Park: fixes, cleanups.
- hugetlb sysfs cleanups from Muchun Song.
- Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.
Link: https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com [1]
* tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (555 commits)
hugetlb: allocate vma lock for all sharable vmas
hugetlb: take hugetlb vma_lock when clearing vma_lock->vma pointer
hugetlb: fix vma lock handling during split vma and range unmapping
mglru: mm/vmscan.c: fix imprecise comments
mm/mglru: don't sync disk for each aging cycle
mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
mm: memcontrol: use do_memsw_account() in a few more places
mm: memcontrol: deprecate swapaccounting=0 mode
mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
mm/secretmem: remove reduntant return value
mm/hugetlb: add available_huge_pages() func
mm: remove unused inline functions from include/linux/mm_inline.h
selftests/vm: add selftest for MADV_COLLAPSE of uffd-minor memory
selftests/vm: add file/shmem MADV_COLLAPSE selftest for cleared pmd
selftests/vm: add thp collapse shmem testing
selftests/vm: add thp collapse file and tmpfs testing
selftests/vm: modularize thp collapse memory operations
selftests/vm: dedup THP helpers
mm/khugepaged: add tracepoint to hpage_collapse_scan_file()
mm/madvise: add file and shmem support to MADV_COLLAPSE
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Dave Hansen:
"There are some small things here, plus one big one.
The big one detected and refused to create W+X kernel mappings. This
caused a bit of trouble and it is entirely disabled on 32-bit due to
known unfixable EFI issues. It also oopsed on some systemd eBPF use,
which kept some users from booting.
The eBPF issue is fixed, but those troubles were caught relatively
recently which made me nervous that there are more lurking. The final
commit in here retains the warnings, but doesn't actually refuse to
create W+X mappings.
Summary:
- Detect insecure W+X mappings and warn about them, including a few
bug fixes and relaxing the enforcement
- Do a long-overdue defconfig update and enabling W+X boot-time
detection
- Cleanup _PAGE_PSE handling (follow-up on an earlier bug)
- Rename a change_page_attr function"
* tag 'x86_mm_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Ease W^X enforcement back to just a warning
x86/mm: Disable W^X detection and enforcement on 32-bit
x86/mm: Add prot_sethuge() helper to abstract out _PAGE_PSE handling
x86/mm/32: Fix W^X detection when page tables do not support NX
x86/defconfig: Enable CONFIG_DEBUG_WX=y
x86/defconfig: Refresh the defconfigs
x86/mm: Refuse W^X violations
x86/mm: Rename set_memory_present() to set_memory_p()
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Pull xtensa updates from Max Filippov:
- add support for FDPIC and static PIE executable formats for noMMU
* tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa:
xtensa: add FDPIC and static PIE support for noMMU
xtensa: clean up ELF_PLAT_INIT macro
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"Just a couple of changes. Fixes to compilation of the old/legacy
Freescale 68328 targets in some kernel configurations, and some
default configuration updates.
Summary:
- fix build problems for legacy 68328 targets
- clean out configs of removed options"
* tag 'm68knommu-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: update config files
m68knommu: fix non-mmu classic 68000 legacy timer tick selection
m68knommu: fix non-specific 68328 choice interrupt build failure
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Remove unnecessary delay while probing for VMBus (Stanislav
Kinsburskiy)
- Optimize vmbus_on_event (Saurabh Sengar)
- Fix a race in Hyper-V DRM driver (Saurabh Sengar)
- Miscellaneous clean-up patches from various people
* tag 'hyperv-next-signed-20221009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
x86/hyperv: Replace kmap() with kmap_local_page()
drm/hyperv: Add ratelimit on error message
hyperv: simplify and rename generate_guest_id
Drivers: hv: vmbus: Split memcpy of flex-array
scsi: storvsc: remove an extraneous "to" in a comment
Drivers: hv: vmbus: Don't wait for the ACPI device upon initialization
Drivers: hv: vmbus: Use PCI_VENDOR_ID_MICROSOFT for better discoverability
Drivers: hv: vmbus: Fix kernel-doc
drm/hyperv: Don't overwrite dirt_needed value set by host
Drivers: hv: vmbus: Optimize vmbus_on_event
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- fix a regression in the ARM dma-direct conversion (Christoph Hellwig)
- use memcpy_{from,to}_page (Fabio M. De Francesco)
- cleanup the swiotlb MAINTAINERS entry (Lukas Bulwahn)
- make SG table pool allocation less fragile (Masahiro Yamada)
- don't panic on swiotlb initialization failure (Robin Murphy)
* tag 'dma-mapping-6.1-2022-10-10' of git://git.infradead.org/users/hch/dma-mapping:
ARM/dma-mapping: remove the dma_coherent member of struct dev_archdata
ARM/dma-mappіng: don't override ->dma_coherent when set from a bus notifier
lib/sg_pool: change module_init(sg_pool_init) to subsys_initcall
MAINTAINERS: merge SWIOTLB SUBSYSTEM into DMA MAPPING HELPERS
swiotlb: don't panic!
swiotlb: replace kmap_atomic() with memcpy_{from,to}_page()
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- remove the bus_set_iommu() interface which became unnecesary because
of IOMMU per-device probing
- make the dma-iommu.h header private
- Intel VT-d changes from Lu Baolu:
- Decouple PASID and PRI from SVA
- Add ESRTPS & ESIRTPS capability check
- Cleanups
- Apple DART support for the M1 Pro/MAX SOCs
- support for AMD IOMMUv2 page-tables for the DMA-API layer.
The v2 page-tables are compatible with the x86 CPU page-tables. Using
them for DMA-API prepares support for hardware-assisted IOMMU
virtualization
- support for MT6795 Helio X10 M4Us in the Mediatek IOMMU driver
- some smaller fixes and cleanups
* tag 'iommu-updates-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (59 commits)
iommu/vt-d: Avoid unnecessary global DMA cache invalidation
iommu/vt-d: Avoid unnecessary global IRTE cache invalidation
iommu/vt-d: Rename cap_5lp_support to cap_fl5lp_support
iommu/vt-d: Remove pasid_set_eafe()
iommu/vt-d: Decouple PASID & PRI enabling from SVA
iommu/vt-d: Remove unnecessary SVA data accesses in page fault path
dt-bindings: iommu: arm,smmu-v3: Relax order of interrupt names
iommu: dart: Support t6000 variant
iommu/io-pgtable-dart: Add DART PTE support for t6000
iommu/io-pgtable: Add DART subpage protection support
iommu/io-pgtable: Move Apple DART support to its own file
iommu/mediatek: Add support for MT6795 Helio X10 M4Us
iommu/mediatek: Introduce new flag TF_PORT_TO_ADDR_MT8173
dt-bindings: mediatek: Add bindings for MT6795 M4U
iommu/iova: Fix module config properly
iommu/amd: Fix sparse warning
iommu/amd: Remove outdated comment
iommu/amd: Free domain ID after domain_flush_pages
iommu/amd: Free domain id in error path
iommu/virtio: Fix compile error with viommu_capable()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Feed untrusted RNGs into /dev/random
- Allow HWRNG sleeping to be more interruptible
- Create lib/utils module
- Setting private keys no longer required for akcipher
- Remove tcrypt mode=1000
- Reorganised Kconfig entries
Algorithms:
- Load x86/sha512 based on CPU features
- Add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher
Drivers:
- Add HACE crypto driver aspeed"
* tag 'v6.1-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (124 commits)
crypto: aspeed - Remove redundant dev_err call
crypto: scatterwalk - Remove unused inline function scatterwalk_aligned()
crypto: aead - Remove unused inline functions from aead
crypto: bcm - Simplify obtain the name for cipher
crypto: marvell/octeontx - use sysfs_emit() to instead of scnprintf()
hwrng: core - start hwrng kthread also for untrusted sources
crypto: zip - remove the unneeded result variable
crypto: qat - add limit to linked list parsing
crypto: octeontx2 - Remove the unneeded result variable
crypto: ccp - Remove the unneeded result variable
crypto: aspeed - Fix check for platform_get_irq() errors
crypto: virtio - fix memory-leak
crypto: cavium - prevent integer overflow loading firmware
crypto: marvell/octeontx - prevent integer overflows
crypto: aspeed - fix build error when only CRYPTO_DEV_ASPEED is enabled
crypto: hisilicon/qm - fix the qos value initialization
crypto: sun4i-ss - use DEFINE_SHOW_ATTRIBUTE to simplify sun4i_ss_debugfs
crypto: tcrypt - add async speed test for aria cipher
crypto: aria-avx - add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher
crypto: aria - prepare generic module for optimized implementations
...
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Pull bitmap updates from Yury Norov:
- Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES (Phil Auld)
- cleanup nr_cpu_ids vs nr_cpumask_bits mess (me)
This series cleans that mess and adds new config FORCE_NR_CPUS that
allows to optimize cpumask subsystem if the number of CPUs is known
at compile-time.
- optimize find_bit() functions (me)
Reworks find_bit() functions based on new FIND_{FIRST,NEXT}_BIT()
macros.
- add find_nth_bit() (me)
Adds find_nth_bit(), which is ~70 times faster than bitcounting with
for_each() loop:
for_each_set_bit(bit, mask, size)
if (n-- == 0)
return bit;
Also adds bitmap_weight_and() to let people replace this pattern:
tmp = bitmap_alloc(nbits);
bitmap_and(tmp, map1, map2, nbits);
weight = bitmap_weight(tmp, nbits);
bitmap_free(tmp);
with a single bitmap_weight_and() call.
- repair cpumask_check() (me)
After switching cpumask to use nr_cpu_ids, cpumask_check() started
generating many false-positive warnings. This series fixes it.
- Add for_each_cpu_andnot() and for_each_cpu_andnot() (Valentin
Schneider)
Extends the API with one more function and applies it in sched/core.
* tag 'bitmap-6.1-rc1' of https://github.com/norov/linux: (28 commits)
sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu_andnot()
lib/test_cpumask: Add for_each_cpu_and(not) tests
cpumask: Introduce for_each_cpu_andnot()
lib/find_bit: Introduce find_next_andnot_bit()
cpumask: fix checking valid cpu range
lib/bitmap: add tests for for_each() loops
lib/find: optimize for_each() macros
lib/bitmap: introduce for_each_set_bit_wrap() macro
lib/find_bit: add find_next{,_and}_bit_wrap
cpumask: switch for_each_cpu{,_not} to use for_each_bit()
net: fix cpu_max_bits_warn() usage in netif_attrmask_next{,_and}
cpumask: add cpumask_nth_{,and,andnot}
lib/bitmap: remove bitmap_ord_to_pos
lib/bitmap: add tests for find_nth_bit()
lib: add find_nth{,_and,_andnot}_bit()
lib/bitmap: add bitmap_weight_and()
lib/bitmap: don't call __bitmap_weight() in kernel code
tools: sync find_bit() implementation
lib/find_bit: optimize find_next_bit() functions
lib/find_bit: create find_first_zero_bit_le()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
"Major changes:
- Changed location of tracing repo from personal git repo to:
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
- Added Masami Hiramatsu as co-maintainer
- Updated MAINTAINERS file to separate out FTRACE as it is more than
just TRACING.
Minor changes:
- Added Mark Rutland as FTRACE reviewer
- Updated user_events to make it on its way to remove the BROKEN tag.
The changes should now be acceptable but will run it through a
cycle and hopefully we can remove the BROKEN tag next release.
- Added filtering to eprobes
- Added a delta time to the benchmark trace event
- Have the histogram and filter callbacks called via a switch
statement instead of indirect functions. This speeds it up to avoid
retpolines.
- Add a way to wake up ring buffer waiters waiting for the ring
buffer to fill up to its watermark.
- New ioctl() on the trace_pipe_raw file to wake up ring buffer
waiters.
- Wake up waiters when the ring buffer is disabled. A reader may
block when the ring buffer is disabled, but if it was blocked when
the ring buffer is disabled it should then wake up.
Fixes:
- Allow splice to read partially read ring buffer pages. This fixes
splice never moving forward.
- Fix inverted compare that made the "shortest" ring buffer wait
queue actually the longest.
- Fix a race in the ring buffer between resetting a page when a
writer goes to another page, and the reader.
- Fix ftrace accounting bug when function hooks are added at boot up
before the weak functions are set to "disabled".
- Fix bug that freed a user allocated snapshot buffer when enabling a
tracer.
- Fix possible recursive locks in osnoise tracer
- Fix recursive locking direct functions
- Other minor clean ups and fixes"
* tag 'trace-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (44 commits)
ftrace: Create separate entry in MAINTAINERS for function hooks
tracing: Update MAINTAINERS to reflect new tracing git repo
tracing: Do not free snapshot if tracer is on cmdline
ftrace: Still disable enabled records marked as disabled
tracing/user_events: Move pages/locks into groups to prepare for namespaces
tracing: Add Masami Hiramatsu as co-maintainer
tracing: Remove unused variable 'dups'
MAINTAINERS: add myself as a tracing reviewer
ring-buffer: Fix race between reset page and reading page
tracing/user_events: Update ABI documentation to align to bits vs bytes
tracing/user_events: Use bits vs bytes for enabled status page data
tracing/user_events: Use refcount instead of atomic for ref tracking
tracing/user_events: Ensure user provided strings are safely formatted
tracing/user_events: Use WRITE instead of READ for io vector import
tracing/user_events: Use NULL for strstr checks
tracing: Fix spelling mistake "preapre" -> "prepare"
tracing: Wake up waiters when tracing is disabled
tracing: Add ioctl() to force ring buffer waiters to wake up
tracing: Wake up ring buffer waiters on closing of the file
ring-buffer: Add ring_buffer_wake_waiters()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove potentially incomplete targets when Kbuid is interrupted by
SIGINT etc in case GNU Make may miss to do that when stderr is piped
to another program.
- Rewrite the single target build so it works more correctly.
- Fix rpm-pkg builds with V=1.
- List top-level subdirectories in ./Kbuild.
- Ignore auto-generated __kstrtab_* and __kstrtabns_* symbols in
kallsyms.
- Avoid two different modules in lib/zstd/ having shared code, which
potentially causes building the common code as build-in and modular
back-and-forth.
- Unify two modpost invocations to optimize the build process.
- Remove head-y syntax in favor of linker scripts for placing
particular sections in the head of vmlinux.
- Bump the minimal GNU Make version to 3.82.
- Clean up misc Makefiles and scripts.
* tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (41 commits)
docs: bump minimal GNU Make version to 3.82
ia64: simplify esi object addition in Makefile
Revert "kbuild: Check if linker supports the -X option"
kbuild: rebuild .vmlinux.export.o when its prerequisite is updated
kbuild: move modules.builtin(.modinfo) rules to Makefile.vmlinux_o
zstd: Fixing mixed module-builtin objects
kallsyms: ignore __kstrtab_* and __kstrtabns_* symbols
kallsyms: take the input file instead of reading stdin
kallsyms: drop duplicated ignore patterns from kallsyms.c
kbuild: reuse mksysmap output for kallsyms
mksysmap: update comment about __crc_*
kbuild: remove head-y syntax
kbuild: use obj-y instead extra-y for objects placed at the head
kbuild: hide error checker logs for V=1 builds
kbuild: re-run modpost when it is updated
kbuild: unify two modpost invocations
kbuild: move vmlinux.o rule to the top Makefile
kbuild: move .vmlinux.objs rule to Makefile.modpost
kbuild: list sub-directories in ./Kbuild
Makefile.compiler: replace cc-ifversion with compiler-specific macros
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- Disable preemption in rwsem_write_trylock()'s attempt to take the
rwsem, to avoid RT tasks hogging the CPU, which managed to preempt
this function after the owner has been cleared but before a new owner
is set. Also add debug checks to enforce this.
- Add __lockfunc to more slow path functions and add __sched to
semaphore functions.
- Mark spinlock APIs noinline when the respective CONFIG_INLINE_SPIN_*
toggles are disabled, to reduce LTO text size.
- Print more debug information when lockdep gets confused in
look_up_lock_class().
- Improve header file abuse checks.
- Misc cleanups
* tag 'locking-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Print more debug information - report name and key when look_up_lock_class() got confused
locking: Add __sched to semaphore functions
locking/rwsem: Disable preemption while trying for rwsem lock
locking: Detect includes rwlock.h outside of spinlock.h
locking: Add __lockfunc to slow path functions
locking/spinlocks: Mark spinlocks noinline when inline spinlocks are disabled
selftests: futex: Fix 'the the' typo in comment
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar:
"PMU driver updates:
- Add AMD Last Branch Record Extension Version 2 (LbrExtV2) feature
support for Zen 4 processors.
- Extend the perf ABI to provide branch speculation information, if
available, and use this on CPUs that have it (eg. LbrExtV2).
- Improve Intel PEBS TSC timestamp handling & integration.
- Add Intel Raptor Lake S CPU support.
- Add 'perf mem' and 'perf c2c' memory profiling support on AMD CPUs
by utilizing IBS tagged load/store samples.
- Clean up & optimize various x86 PMU details.
HW breakpoints:
- Big rework to optimize the code for systems with hundreds of CPUs
and thousands of breakpoints:
- Replace the nr_bp_mutex global mutex with the bp_cpuinfo_sem
per-CPU rwsem that is read-locked during most of the key
operations.
- Improve the O(#cpus * #tasks) logic in toggle_bp_slot() and
fetch_bp_busy_slots().
- Apply micro-optimizations & cleanups.
- Misc cleanups & enhancements"
* tag 'perf-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
perf/hw_breakpoint: Annotate tsk->perf_event_mutex vs ctx->mutex
perf: Fix pmu_filter_match()
perf: Fix lockdep_assert_event_ctx()
perf/x86/amd/lbr: Adjust LBR regardless of filtering
perf/x86/utils: Fix uninitialized var in get_branch_type()
perf/uapi: Define PERF_MEM_SNOOPX_PEER in kernel header file
perf/x86/amd: Support PERF_SAMPLE_PHY_ADDR
perf/x86/amd: Support PERF_SAMPLE_ADDR
perf/x86/amd: Support PERF_SAMPLE_{WEIGHT|WEIGHT_STRUCT}
perf/x86/amd: Support PERF_SAMPLE_DATA_SRC
perf/x86/amd: Add IBS OP_DATA2 DataSrc bit definitions
perf/mem: Introduce PERF_MEM_LVLNUM_{EXTN_MEM|IO}
perf/x86/uncore: Add new Raptor Lake S support
perf/x86/cstate: Add new Raptor Lake S support
perf/x86/msr: Add new Raptor Lake S support
perf/x86: Add new Raptor Lake S support
bpf: Check flags for branch stack in bpf_read_branch_records helper
perf, hw_breakpoint: Fix use-after-free if perf_event_open() fails
perf: Use sample_flags for raw_data
perf: Use sample_flags for addr
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Remove our now never-true definitions for pgd_huge() and p4d_leaf().
- Add pte_needs_flush() and huge_pmd_needs_flush() for 64-bit.
- Add support for syscall wrappers.
- Add support for KFENCE on 64-bit.
- Update 64-bit HV KVM to use the new guest state entry/exit accounting
API.
- Support execute-only memory when using the Radix MMU (P9 or later).
- Implement CONFIG_PARAVIRT_TIME_ACCOUNTING for pseries guests.
- Updates to our linker script to move more data into read-only
sections.
- Allow the VDSO to be randomised on 32-bit.
- Many other small features and fixes.
Thanks to Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira
Rajeev, Christophe Leroy, David Hildenbrand, Disha Goel, Fabiano Rosas,
Gaosheng Cui, Gustavo A. R. Silva, Haren Myneni, Hari Bathini, Jilin
Yuan, Joel Stanley, Kajol Jain, Kees Cook, Krzysztof Kozlowski, Laurent
Dufour, Liang He, Li Huafei, Lukas Bulwahn, Madhavan Srinivasan, Nathan
Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Pali
Rohár, Rohan McLure, Russell Currey, Sachin Sant, Segher Boessenkool,
Shrikanth Hegde, Tyrel Datwyler, Wolfram Sang, ye xingchen, and Zheng
Yongjun.
* tag 'powerpc-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (214 commits)
KVM: PPC: Book3S HV: Fix stack frame regs marker
powerpc: Don't add __powerpc_ prefix to syscall entry points
powerpc/64s/interrupt: Fix stack frame regs marker
powerpc/64: Fix msr_check_and_set/clear MSR[EE] race
powerpc/64s/interrupt: Change must-hard-mask interrupt check from BUG to WARN
powerpc/pseries: Add firmware details to the hardware description
powerpc/powernv: Add opal details to the hardware description
powerpc: Add device-tree model to the hardware description
powerpc/64: Add logical PVR to the hardware description
powerpc: Add PVR & CPU name to hardware description
powerpc: Add hardware description string
powerpc/configs: Enable PPC_UV in powernv_defconfig
powerpc/configs: Update config files for removed/renamed symbols
powerpc/mm: Fix UBSAN warning reported on hugetlb
powerpc/mm: Always update max/min_low_pfn in mem_topology_setup()
powerpc/mm/book3s/hash: Rename flush_tlb_pmd_range
powerpc: Drops STABS_DEBUG from linker scripts
powerpc/64s: Remove lost/old comment
powerpc/64s: Remove old STAB comment
powerpc: remove orphan systbl_chk.sh
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Make use of the IBM z16 processor activity instrumentation facility
extension to count neural network processor assist operations: add a
new PMU device driver so that perf can make use of this.
- Rework memcpy_real() to avoid DAT-off mode.
- Rework absolute lowcore access code.
- Various small fixes and improvements all over the code.
* tag 's390-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: remove unused bus_next field from struct zpci_dev
s390/cio: remove unused ccw_device_force_console() declaration
s390/pai: Add support for PAI Extension 1 NNPA counters
s390/mm: fix no previous prototype warnings in maccess.c
s390/mm: uninline copy_oldmem_kernel() function
s390/mm,ptdump: add real memory copy page markers
s390/mm: rework memcpy_real() to avoid DAT-off mode
s390/dump: save IPL CPU registers once DAT is available
s390/pci: convert high_memory to physical address
s390/smp,ptdump: add absolute lowcore markers
s390/smp: rework absolute lowcore access
s390/smp: call smp_reinit_ipl_cpu() before scheduler is available
s390/ptdump: add missing amode31 markers
s390/mm: split lowcore pages with set_memory_4k()
s390/mm: remove unused access parameter from do_fault_error()
s390/delay: sync comment within __delay() with reality
s390: move from strlcpy with unused retval to strscpy
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Improvements to the CPU topology subsystem, which fix some issues
where RISC-V would report bad topology information.
- The default NR_CPUS has increased to XLEN, and the maximum
configurable value is 512.
- The CD-ROM filesystems have been enabled in the defconfig.
- Support for THP_SWAP has been added for rv64 systems.
There are also a handful of cleanups and fixes throughout the tree.
* tag 'riscv-for-linus-6.1-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: enable THP_SWAP for RV64
RISC-V: Print SSTC in canonical order
riscv: compat: s/failed/unsupported if compat mode isn't supported
RISC-V: Increase range and default value of NR_CPUS
cpuidle: riscv-sbi: Fix CPU_PM_CPU_IDLE_ENTER_xyz() macro usage
perf: RISC-V: throttle perf events
perf: RISC-V: exclude invalid pmu counters from SBI calls
riscv: enable CD-ROM file systems in defconfig
riscv: topology: fix default topology reporting
arm64: topology: move store_cpu_topology() to shared code
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Pull microblaze updates from Michal Simek:
"This adds architecture support for error injection which can be done
only via local memory (BRAM) with enabling path for recovery after
reset.
These patches targets Triple Modular Redundacy (TMR) configuration
where 3 Microblazes are running in parallel with monitoring logic.
When an error happens (or is injected) system goes to break handler
with full CPU reset and system recovery back to origin context. More
information can be found at [1]"
Link: https://www.xilinx.com/content/dam/xilinx/support/documents/ip_documentation/tmr/v1_0/pg268-tmr.pdf [1]
* tag 'microblaze-v6.1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Add support for error injection
microblaze: Add custom break vector handler for mb manager
microblaze: Add xmb_manager_register function
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Pull kvm updates from Paolo Bonzini:
"The first batch of KVM patches, mostly covering x86.
ARM:
- Account stage2 page table allocations in memory stats
x86:
- Account EPT/NPT arm64 page table allocations in memory stats
- Tracepoint cleanups/fixes for nested VM-Enter and emulated MSR
accesses
- Drop eVMCS controls filtering for KVM on Hyper-V, all known
versions of Hyper-V now support eVMCS fields associated with
features that are enumerated to the guest
- Use KVM's sanitized VMCS config as the basis for the values of
nested VMX capabilities MSRs
- A myriad event/exception fixes and cleanups. Most notably, pending
exceptions morph into VM-Exits earlier, as soon as the exception is
queued, instead of waiting until the next vmentry. This fixed a
longstanding issue where the exceptions would incorrecly become
double-faults instead of triggering a vmexit; the common case of
page-fault vmexits had a special workaround, but now it's fixed for
good
- A handful of fixes for memory leaks in error paths
- Cleanups for VMREAD trampoline and VMX's VM-Exit assembly flow
- Never write to memory from non-sleepable kvm_vcpu_check_block()
- Selftests refinements and cleanups
- Misc typo cleanups
Generic:
- remove KVM_REQ_UNHALT"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (94 commits)
KVM: remove KVM_REQ_UNHALT
KVM: mips, x86: do not rely on KVM_REQ_UNHALT
KVM: x86: never write to memory from kvm_vcpu_check_block()
KVM: x86: Don't snapshot pending INIT/SIPI prior to checking nested events
KVM: nVMX: Make event request on VMXOFF iff INIT/SIPI is pending
KVM: nVMX: Make an event request if INIT or SIPI is pending on VM-Enter
KVM: SVM: Make an event request if INIT or SIPI is pending when GIF is set
KVM: x86: lapic does not have to process INIT if it is blocked
KVM: x86: Rename kvm_apic_has_events() to make it INIT/SIPI specific
KVM: x86: Rename and expose helper to detect if INIT/SIPI are allowed
KVM: nVMX: Make an event request when pending an MTF nested VM-Exit
KVM: x86: make vendor code check for all nested events
mailmap: Update Oliver's email address
KVM: x86: Allow force_emulation_prefix to be written without a reload
KVM: selftests: Add an x86-only test to verify nested exception queueing
KVM: selftests: Use uapi header to get VMX and SVM exit reasons/codes
KVM: x86: Rename inject_pending_events() to kvm_check_and_inject_events()
KVM: VMX: Update MTF and ICEBP comments to document KVM's subtle behavior
KVM: x86: Treat pending TRIPLE_FAULT requests as pending exceptions
KVM: x86: Morph pending exceptions to pending VM-Exits at queue time
...
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"A bit more going on than usual in the EFI subsystem. The main driver
for this has been the introduction of the LoonArch architecture last
cycle, which inspired some cleanup and refactoring of the EFI code.
Another driver for EFI changes this cycle and in the future is
confidential compute.
The LoongArch architecture does not use either struct bootparams or DT
natively [yet], and so passing information between the EFI stub and
the core kernel using either of those is undesirable. And in general,
overloading DT has been a source of issues on arm64, so using DT for
this on new architectures is a to avoid for the time being (even if we
might converge on something DT based for non-x86 architectures in the
future). For this reason, in addition to the patch that enables EFI
boot for LoongArch, there are a number of refactoring patches applied
on top of which separate the DT bits from the generic EFI stub bits.
These changes are on a separate topich branch that has been shared
with the LoongArch maintainers, who will include it in their pull
request as well. This is not ideal, but the best way to manage the
conflicts without stalling LoongArch for another cycle.
Another development inspired by LoongArch is the newly added support
for EFI based decompressors. Instead of adding yet another
arch-specific incarnation of this pattern for LoongArch, we are
introducing an EFI app based on the existing EFI libstub
infrastructure that encapulates the decompression code we use on other
architectures, but in a way that is fully generic. This has been
developed and tested in collaboration with distro and systemd folks,
who are eager to start using this for systemd-boot and also for arm64
secure boot on Fedora. Note that the EFI zimage files this introduces
can also be decompressed by non-EFI bootloaders if needed, as the
image header describes the location of the payload inside the image,
and the type of compression that was used. (Note that Fedora's arm64
GRUB is buggy [0] so you'll need a recent version or switch to
systemd-boot in order to use this.)
Finally, we are adding TPM measurement of the kernel command line
provided by EFI. There is an oversight in the TCG spec which results
in a blind spot for command line arguments passed to loaded images,
which means that either the loader or the stub needs to take the
measurement. Given the combinatorial explosion I am anticipating when
it comes to firmware/bootloader stacks and firmware based attestation
protocols (SEV-SNP, TDX, DICE, DRTM), it is good to set a baseline now
when it comes to EFI measured boot, which is that the kernel measures
the initrd and command line. Intermediate loaders can measure
additional assets if needed, but with the baseline in place, we can
deploy measured boot in a meaningful way even if you boot into Linux
straight from the EFI firmware.
Summary:
- implement EFI boot support for LoongArch
- implement generic EFI compressed boot support for arm64, RISC-V and
LoongArch, none of which implement a decompressor today
- measure the kernel command line into the TPM if measured boot is in
effect
- refactor the EFI stub code in order to isolate DT dependencies for
architectures other than x86
- avoid calling SetVirtualAddressMap() on arm64 if the configured
size of the VA space guarantees that doing so is unnecessary
- move some ARM specific code out of the generic EFI source files
- unmap kernel code from the x86 mixed mode 1:1 page tables"
* tag 'efi-next-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (24 commits)
efi/arm64: libstub: avoid SetVirtualAddressMap() when possible
efi: zboot: create MemoryMapped() device path for the parent if needed
efi: libstub: fix up the last remaining open coded boot service call
efi/arm: libstub: move ARM specific code out of generic routines
efi/libstub: measure EFI LoadOptions
efi/libstub: refactor the initrd measuring functions
efi/loongarch: libstub: remove dependency on flattened DT
efi: libstub: install boot-time memory map as config table
efi: libstub: remove DT dependency from generic stub
efi: libstub: unify initrd loading between architectures
efi: libstub: remove pointless goto kludge
efi: libstub: simplify efi_get_memory_map() and struct efi_boot_memmap
efi: libstub: avoid efi_get_memory_map() for allocating the virt map
efi: libstub: drop pointless get_memory_map() call
efi: libstub: fix type confusion for load_options_size
arm64: efi: enable generic EFI compressed boot
loongarch: efi: enable generic EFI compressed boot
riscv: efi: enable generic EFI compressed boot
efi/libstub: implement generic EFI zboot
efi/libstub: move efi_system_table global var into separate object
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"We have some late breaking reports that a patch series to rework clk
rate range support broke boot on some devices, so I've left that
branch out of this. Hopefully we can get to that next week, or punt on
it and let it bake another cycle. That means we don't really have any
changes to the core framework this time around besides a few typo
fixes. Instead this is all clk driver updates and fixes.
The usual suspects are here (again), with Qualcomm dominating the
diffstat. We look to have gained support for quite a few new Qualcomm
SoCs and Dmitry worked on updating many of the existing Qualcomm
drivers to use clk_parent_data. After that we have MediaTek drivers
getting some much needed updates, in particular to support GPU DVFS.
There are also quite a few Samsung clk driver patches, but that's
mostly because there was a maintainer change and so last release we
missed some of those patches.
Overall things look normal, but I'm slowly reviewing core framework
code nowadays and that shows given the rate range patches had to be
yanked last minute. Let's hope this situation changes soon.
New Drivers:
- Support for Renesas VersaClock7 clock generator family
- Add Spreadtrum UMS512 SoC clk support
- New clock drivers for MediaTek Helio X10 MT6795
- Display clks for Qualcomm SM6115, SM8450
- GPU clks for Qualcomm SC8280XP
- Qualcomm MSM8909 and SM6375 global and SMD RPM clk drivers
Deleted Drivers:
- Remove DaVinci DM644x and DM646x clk driver support
Updates:
- Convert Baikal-T1 CCU driver to platform driver
- Split reset support out of primary Baikal-T1 CCU driver
- Add some missing clks required for RPiVid Video Decoder on
RaspberryPi
- Mark PLLC critical on bcm2835
- More devm helpers for fixed rate registration
- Various PXA168 clk driver fixes
- Add resets for MediaTek MT8195 PCIe and USB
- Miscellaneous of_node_put() fixes
- Nuke dt-bindings/clk path (again) by moving headers to
dt-bindings/clock
- Convert gpio-clk-gate binding to YAML
- Various fixes to AMD/Xilinx Zynqmp clk driver
- Graduate AMD/Xilinx "clocking wizard" driver from staging
- Add missing DPI1_HDMI clock in MT8195 VDOSYS1
- Clock driver changes to support GPU DVFS on MT8183, MT8192, MT8195
- Fix GPU clock topology on MT8195
- Propogate rate changes from GPU clock gate up the tree
- Clock mux notifiers for GPU-related PLLs
- Conversion of more "simple" drivers to mtk_clk_simple_probe()
- Hook up mtk_clk_simple_remove() for "simple" MT8192 clock drivers
- Fixes to previous |struct clk| to |struct clk_hw| conversion on
MediaTek
- Shrink MT8192 clock driver by deduplicating clock parent lists
- Change order between 'sim_enet_root_clk' and 'enet_qos_root_clk'
clocks for i.MX8MP
- Drop unnecessary newline in i.MX8MM dt-bindings
- Add more MU1 and SAI clocks dt-bindings Ids
- Introduce slice busy bit check for i.MX93 composite clock
- Introduce white list bit check for i.MX93 composite clock
- Add new i.MX93 clock gate
- Add MU1 and MU2 clocks to i.MX93 clock provider
- Add SAI IPG clocks to i.MX93 clock provider
- add generic clocks for U(S)ART available on SAMA5D2 SoCs
- reset controller support for Polarfire clocks
- .round_rate and .set rate support for clk-mpfs
- code cleanup for clk-mpfs
- PLL support for PolarFire SoC's Clock Conditioning Circuitry
- Add watchdog, I2C, pin control/GPIO, and Ethernet clocks on R-Car
V4H
- Add SDHI, Timer (CMT/TMU), and SPI (MSIOF) clocks on R-Car S4-8
- Add I2C clocks and resets on RZ/V2M
- Document clock support for the RZ/Five SoC
- mux-variant clock using the table variant to select parents
- clock controller for the rv1126 soc
- conversion of rk3128 to yaml and relicensing of the yaml bindings
to gpl2+MIT (following dt-binding guildelines)
- Exynos7885: add FSYS, TREX and MFC clock controllers
- Exynos850: add IS and AUD (audio) clock controllers with bindings
- ExynosAutov9: add FSYS clock controllers with bindings
- ExynosAutov9: correct clock IDs in bindings of Peric 0 and 1 clock
controllers, due to duplicated entries. This is an acceptable ABI
break: recently developed/added platform so without legacies, acked
by known users/developers
- ExynosAutov9: add few missing Peric 0/1 gates
- ExynosAutov9: correct register offsets of few Peric 0/1 clocks
- Minor code improvements (use of_device_get_match_data() helper,
code style)
- Add Krzysztof Kozlowski as co-maintainer of Samsung SoC clocks, as
he already maintainers that architecture/platform
- Keep Qualcomm GDSCs enabled when PWRSTS_RET flag is there, solving
retention issues during suspend of USB on Qualcomm sc7180/sc7280
and SC8280XP
- Qualcomm SM6115 and QCM2260 are moved to reuse PLL configuration
- Qualcomm SDM660 SDCC1 moved to floor clk ops
- Support for the APCS PLLs for Qualcomm IPQ8064, IPQ8074 and IPQ6018
was added/fixed
- The Qualcomm MSM8996 CPU clocks are updated with support for ACD
- Support for Qualcomm SDM670 GCC and RPMh clks was added
- Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
num_parents was done for many Qualcomm SoCs
- Support for per-reset defined delay on Qualcomm was introduced"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (283 commits)
clk: qcom: gcc-sm6375: Ensure unsigned long type
clk: qcom: gcc-sm6375: Remove unused variables
clk: qcom: kpss-xcc: convert to parent data API
clk: introduce (devm_)hw_register_mux_parent_data_table API
clk: allow building lan966x as a module
clk: clk-xgene: simplify if-if to if-else
clk: ast2600: BCLK comes from EPLL
clk: clocking-wizard: Depend on HAS_IOMEM
clk: clocking-wizard: Use dev_err_probe() helper
clk: nxp: fix typo in comment
clk: pxa: add a check for the return value of kzalloc()
clk: vc5: Add support for IDT/Renesas VersaClock 5P49V6975
dt-bindings: clock: vc5: Add 5P49V6975
clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
clk: Renesas versaclock7 ccf device driver
dt-bindings: Renesas versaclock7 device tree bindings
clk: ti: Balance of_node_get() calls for of_find_node_by_name()
clk: imx: scu: fix memleak on platform_device_add() fails
clk: vc5: Use regmap_{set,clear}_bits() where appropriate
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the large set of char/misc and other small driver subsystem
changes for 6.1-rc1. Loads of different things in here:
- IIO driver updates, additions, and changes. Probably the largest
part of the diffstat
- habanalabs driver update with support for new hardware and
features, the second largest part of the diff.
- fpga subsystem driver updates and additions
- mhi subsystem updates
- Coresight driver updates
- gnss subsystem updates
- extcon driver updates
- icc subsystem updates
- fsi subsystem updates
- nvmem subsystem and driver updates
- misc driver updates
- speakup driver additions for new features
- lots of tiny driver updates and cleanups
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
w1: Split memcpy() of struct cn_msg flexible array
spmi: pmic-arb: increase SPMI transaction timeout delay
spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
spmi: pmic-arb: correct duplicate APID to PPID mapping logic
spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
spmi: pmic-arb: check apid against limits before calling irq handler
spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
spmi: pmic-arb: handle spurious interrupt
spmi: pmic-arb: add a print in cleanup_irq
drivers: spmi: Directly use ida_alloc()/free()
MAINTAINERS: add TI ECAP driver info
counter: ti-ecap-capture: capture driver support for ECAP
Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
dt-bindings: counter: add ti,am62-ecap-capture.yaml
counter: Introduce the COUNTER_COMP_ARRAY component type
counter: Consolidate Counter extension sysfs attribute creation
counter: Introduce the Count capture component
counter: 104-quad-8: Add Signal polarity component
counter: Introduce the Signal polarity component
counter: interrupt-cnt: Implement watch_validate callback
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core and debug printk changes for
6.1-rc1. Included in here is:
- dynamic debug updates for the core and the drm subsystem. The drm
changes have all been acked by the relevant maintainers
- kernfs fixes for syzbot reported problems
- kernfs refactors and updates for cgroup requirements
- magic number cleanups and removals from the kernel tree (they were
not being used and they really did not actually do anything)
- other tiny cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (74 commits)
docs: filesystems: sysfs: Make text and code for ->show() consistent
Documentation: NBD_REQUEST_MAGIC isn't a magic number
a.out: restore CMAGIC
device property: Add const qualifier to device_get_match_data() parameter
drm_print: add _ddebug descriptor to drm_*dbg prototypes
drm_print: prefer bare printk KERN_DEBUG on generic fn
drm_print: optimize drm_debug_enabled for jump-label
drm-print: add drm_dbg_driver to improve namespace symmetry
drm-print.h: include dyndbg header
drm_print: wrap drm_*_dbg in dyndbg descriptor factory macro
drm_print: interpose drm_*dbg with forwarding macros
drm: POC drm on dyndbg - use in core, 2 helpers, 3 drivers.
drm_print: condense enum drm_debug_category
debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops
driver core: use IS_ERR_OR_NULL() helper in device_create_groups_vargs()
Documentation: ENI155_MAGIC isn't a magic number
Documentation: NBD_REPLY_MAGIC isn't a magic number
nbd: remove define-only NBD_MAGIC, previously magic number
Documentation: FW_HEADER_MAGIC isn't a magic number
Documentation: EEPROM_MAGIC_VALUE isn't a magic number
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver changes for 6.1-rc1.
Nothing major in here, lots of little things with new devices
supported and updates for a few drivers. Highlights include:
- thunderbolt/USB4 devices supported a bit better than before, and
some new ids to enable new hardware devices
- USB gadget uvc updates for newer video formats and better v4l
integration (the v4l portions were acked by those maintainers)
- typec updates for tiny issues and more typec drivers for new chips.
- xhci tiny updates for minor issues
- big usb-serial ftdi_sio driver update to handle new devices better
- lots of tiny dwc3 fixes and updates for the IP block that is
showing up everywhere these days
- dts updates for new devices being supported
- other tiny janitorial and cleanups fixes for lots of different USB
drivers. Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
usb: gadget: uvc: don't put item still in use
usb: gadget: uvc: Fix argument to sizeof() in uvc_register_video()
usb: host: ehci-exynos: switch to using gpiod API
Revert "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
Revert "USB: fixup for merge issue with "usb: dwc3: Don't switch OTG -> peripheral if extcon is present""
dt-bindings: usb: Convert FOTG210 to dt schema
usb: mtu3: fix failed runtime suspend in host only mode
USB: omap_udc: Fix spelling mistake: "tranceiver_ctrl" -> "transceiver_ctrl"
usb: typec: ucsi_ccg: Disable UCSI ALT support on Tegra
usb: typec: Replace custom implementation of device_match_fwnode()
usb: typec: ucsi: Don't warn on probe deferral
usb: add quirks for Lenovo OneLink+ Dock
MAINTAINERS: switch dwc3 to Thinh
usb: idmouse: fix an uninit-value in idmouse_open
USB: PHY: JZ4770: Switch to use dev_err_probe() helper
usb: phy: generic: Switch to use dev_err_probe() helper
usb: ulpi: use DEFINE_SHOW_ATTRIBUTE to simplify ulpi_regs
usb: cdns3: remove dead code
usb: cdc-wdm: Use skb_put_data() instead of skb_put/memcpy pair
usb: musb: sunxi: Switch to use dev_err_probe() helper
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of TTY and Serial driver updates for 6.1-rc1.
Lots of cleanups in here, no real new functionality this time around,
with the diffstat being that we removed more lines than we added!
Included in here are:
- termios unification cleanups from Al Viro, it's nice to finally get
this work done
- tty serial transmit cleanups in various drivers in preparation for
more cleanup and unification in future releases (that work was not
ready for this release)
- n_gsm fixes and updates
- ktermios cleanups and code reductions
- dt bindings json conversions and updates for new devices
- some serial driver updates for new devices
- lots of other tiny cleanups and janitorial stuff. Full details in
the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (102 commits)
serial: cpm_uart: Don't request IRQ too early for console port
tty: serial: do unlock on a common path in altera_jtaguart_console_putc()
tty: serial: unify TX space reads under altera_jtaguart_tx_space()
tty: serial: use FIELD_GET() in lqasc_tx_ready()
tty: serial: extend lqasc_tx_ready() to lqasc_console_putchar()
tty: serial: allow pxa.c to be COMPILE_TESTed
serial: stm32: Fix unused-variable warning
tty: serial: atmel: Add COMMON_CLK dependency to SERIAL_ATMEL
serial: 8250: Fix restoring termios speed after suspend
serial: Deassert Transmit Enable on probe in driver-specific way
serial: 8250_dma: Convert to use uart_xmit_advance()
serial: 8250_omap: Convert to use uart_xmit_advance()
MAINTAINERS: Solve warning regarding inexistent atmel-usart binding
serial: stm32: Deassert Transmit Enable on ->rs485_config()
serial: ar933x: Deassert Transmit Enable on ->rs485_config()
tty: serial: atmel: Use FIELD_PREP/FIELD_GET
tty: serial: atmel: Make the driver aware of the existence of GCLK
tty: serial: atmel: Only divide Clock Divisor if the IP is USART
tty: serial: atmel: Separate mode clearing between UART and USART
dt-bindings: serial: atmel,at91-usart: Add gclk as a possible USART clock
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Fix 'mfd_of_node_list' OF node entry resource leak
New Drivers:
- Add support for Ocelot VSC7512 Networking Chip
- Add support for MediaTek MT6370 subPMIC
- Add support for Richtek RT5120 (I2C) PMIC
New Device Support:
- Add support for Rockchip RV1126 and RK3588 to Syscon
- Add support for Rockchip RK817 Battery Charger to RK808
- Add support for Silergy SY7636a Voltage Regulator to Simple MFD
- Add support for Qualcomm PMP8074 PMIC to QCOM SPMI
- Add support for Secure Update to Intel M10 BMC
New Functionality:
- Provide SSP type to Intel's LPSS (PCI) SPI driver
Fix-ups:
- Remove legacy / unused code; stmpe, intel_soc_pmic_crc, syscon
- Unify / simplify; intel_soc_pmic_crc
- Trivial reordering / spelling, etc; Makefile, twl-core
- Convert to managed resources; intel_soc_pmic_crc
- Use appropriate APIs; intel_soc_pmic_crc
- strscpy() conversion; htc-i2cpld, lpc_ich, mfd-core
- GPIOD conversion; htc-i2cpld, stmpe
- Add missing header file includes; twl4030-irq
- DT goodies; stmpe, mediatek,mt6370, x-powers,axp152,
aspeed,ast2x00-scu, mediatek,mt8195-scpsys, qcom,spmi-pmic, syscon,
qcom,tcsr, rockchip,rk817, sprd,ums512-glbreg, dlg,da9063
Bug Fixes:
- Properly check return values; sm501, htc-i2cpld
- Repair Two-Wire Bus Mode; da9062-core
- Fix error handling; intel_soc_pmic_core, fsl-imx25-tsadc, lp8788,
lp8788-irq"
* tag 'mfd-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (60 commits)
mfd: syscon: Remove repetition of the regmap_get_val_endian()
mfd: ocelot-spi: Add missing MODULE_DEVICE_TABLE
power: supply: Add charger driver for Rockchip RK817
dt-bindings: mfd: mt6370: Fix the indentation in the example
mfd: da9061: Fix Failed to set Two-Wire Bus Mode.
mfd: htc-i2cpld: Fix an IS_ERR() vs NULL bug in htcpld_core_probe()
dt-bindings: mfd: qcom,tcsr: Drop simple-mfd from IPQ6018
mfd: sm501: Add check for platform_driver_register()
dt-bindings: mfd: mediatek: Add scpsys compatible for mt8186
mfd: twl4030: Add missed linux/device.h header
dt-bindings: mfd: dlg,da9063: Add missing regulator patterns
dt-bindings: mfd: sprd: Add bindings for ums512 global registers
mfd: intel_soc_pmic_chtdc_ti: Switch from __maybe_unused to pm_sleep_ptr() etc
dt-bindings: mfd: syscon: Add rk3588 QoS register compatible
mfd: stmpe: Switch to using gpiod API
mfd: qcom-spmi-pmic: Add pm7250b compatible
dt-bindings: mfd: Add missing (unevaluated|additional)Properties on child nodes
mfd/omap1: htc-i2cpld: Convert to a pure GPIO driver
mfd: intel-m10-bmc: Add d5005 bmc secure update driver
dt-bindings: mfd: syscon: Drop ref from reg-io-width
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
- Print the timeout value for internal command failures due to a
timeout (from Tomas)
- Improve parameter names in ata_dev_set_feature() to clarify this
function use (from Niklas)
- Improve the ahci driver low power mode setting initialization to
allow more flexibility for the user (from Rafael)
- Several patches to remove redundant variables in libata-core,
libata-eh and the pata_macio driver and to fix typos in comments
(from Jinpeng, Shaomin, Ye)
- Some code simplifications and macro renaming (for clarity) in various
functions of libata-core (from me)
- Add a missing check for a potential failure of sata_scr_read() in
sata_print_link_status() (from Li)
- Cleanup of libata Kconfig PATA_PLATFORM and PATA_OF_PLATFORM options
(from Lukas)
- Cleanups of ata dt-bindings and improvements of libahci_platform,
ahci and libahci code (from Serge)
- New driver for Synopsys AHCI SATA controllers, based of the generic
ahci code (from Serge). One compilation warning fix is added for this
driver (from me)
- Several fixes to macros used to discover a drive capabilities to be
consistent with the ACS specifications (from Niklas)
- A couple of simplifcations to some libata functions, removing
unnecessary arguments (from Niklas)
- An improvements to libata-eh code to avoid unnecessary link reset
when revalidating a drive after a failed command. In practice, this
extra, unneeded reset, reset does not cause any arm beyond slightly
slowing down error recovery (from Niklas)
* tag 'ata-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (45 commits)
ata: libata-eh: avoid needless hard reset when revalidating link
ata: libata: drop superfluous ata_eh_analyze_tf() parameter
ata: libata: drop superfluous ata_eh_request_sense() parameter
ata: fix ata_id_has_dipm()
ata: fix ata_id_has_ncq_autosense()
ata: fix ata_id_has_devslp()
ata: fix ata_id_sense_reporting_enabled() and ata_id_has_sense_reporting()
ata: libata-eh: Remove the unneeded result variable
ata: ahci_st: Enable compile test
ata: ahci_st: Fix compilation warning
MAINTAINERS: Add maintainers for DWC AHCI SATA driver
ata: ahci-dwc: Add Baikal-T1 AHCI SATA interface support
ata: ahci-dwc: Add platform-specific quirks support
dt-bindings: ata: ahci: Add Baikal-T1 AHCI SATA controller DT schema
ata: ahci: Add DWC AHCI SATA controller support
ata: libahci_platform: Add function returning a clock-handle by id
dt-bindings: ata: ahci: Add DWC AHCI SATA controller DT schema
ata: ahci: Introduce firmware-specific caps initialization
ata: ahci: Convert __ahci_port_base to accepting hpriv as arguments
ata: libahci: Don't read AHCI version twice in the save-config method
...
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Pull block updates from Jens Axboe:
- NVMe pull requests via Christoph:
- handle number of queue changes in the TCP and RDMA drivers
(Daniel Wagner)
- allow changing the number of queues in nvmet (Daniel Wagner)
- also consider host_iface when checking ip options (Daniel
Wagner)
- don't map pages which can't come from HIGHMEM (Fabio M. De
Francesco)
- avoid unnecessary flush bios in nvmet (Guixin Liu)
- shrink and better pack the nvme_iod structure (Keith Busch)
- add comment for unaligned "fake" nqn (Linjun Bao)
- print actual source IP address through sysfs "address" attr
(Martin Belanger)
- various cleanups (Jackie Liu, Wolfram Sang, Genjian Zhang)
- handle effects after freeing the request (Keith Busch)
- copy firmware_rev on each init (Keith Busch)
- restrict management ioctls to admin (Keith Busch)
- ensure subsystem reset is single threaded (Keith Busch)
- report the actual number of tagset maps in nvme-pci (Keith
Busch)
- small fabrics authentication fixups (Christoph Hellwig)
- add common code for tagset allocation and freeing (Christoph
Hellwig)
- stop using the request_queue in nvmet (Christoph Hellwig)
- set min_align_mask before calculating max_hw_sectors (Rishabh
Bhatnagar)
- send a rediscover uevent when a persistent discovery controller
reconnects (Sagi Grimberg)
- misc nvmet-tcp fixes (Varun Prakash, zhenwei pi)
- MD pull request via Song:
- Various raid5 fix and clean up, by Logan Gunthorpe and David
Sloan.
- Raid10 performance optimization, by Yu Kuai.
- sbitmap wakeup hang fixes (Hugh, Keith, Jan, Yu)
- IO scheduler switching quisce fix (Keith)
- s390/dasd block driver updates (Stefan)
- support for recovery for the ublk driver (ZiyangZhang)
- rnbd drivers fixes and updates (Guoqing, Santosh, ye, Christoph)
- blk-mq and null_blk map fixes (Bart)
- various bcache fixes (Coly, Jilin, Jules)
- nbd signal hang fix (Shigeru)
- block writeback throttling fix (Yu)
- optimize the passthrough mapping handling (me)
- prepare block cgroups to being gendisk based (Christoph)
- get rid of an old PSI hack in the block layer, moving it to the
callers instead where it belongs (Christoph)
- blk-throttle fixes and cleanups (Yu)
- misc fixes and cleanups (Liu Shixin, Liu Song, Miaohe, Pankaj,
Ping-Xiang, Wolfram, Saurabh, Li Jinlin, Li Lei, Lin, Li zeming,
Miaohe, Bart, Coly, Gaosheng
* tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux: (162 commits)
sbitmap: fix lockup while swapping
block: add rationale for not using blk_mq_plug() when applicable
block: adapt blk_mq_plug() to not plug for writes that require a zone lock
s390/dasd: use blk_mq_alloc_disk
blk-cgroup: don't update the blkg lookup hint in blkg_conf_prep
nvmet: don't look at the request_queue in nvmet_bdev_set_limits
nvmet: don't look at the request_queue in nvmet_bdev_zone_mgmt_emulate_all
blk-mq: use quiesced elevator switch when reinitializing queues
block: replace blk_queue_nowait with bdev_nowait
nvme: remove nvme_ctrl_init_connect_q
nvme-loop: use the tagset alloc/free helpers
nvme-loop: store the generic nvme_ctrl in set->driver_data
nvme-loop: initialize sqsize later
nvme-fc: use the tagset alloc/free helpers
nvme-fc: store the generic nvme_ctrl in set->driver_data
nvme-fc: keep ctrl->sqsize in sync with opts->queue_size
nvme-rdma: use the tagset alloc/free helpers
nvme-rdma: store the generic nvme_ctrl in set->driver_data
nvme-tcp: use the tagset alloc/free helpers
nvme-tcp: store the generic nvme_ctrl in set->driver_data
...
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The hard-coded marker is out of date now, fix it using the nice define.
Fixes: 17773afdcd15 ("powerpc/64: use 32-bit immediate for STACK_FRAME_REGS_MARKER")
Reported-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221006143345.129077-1-npiggin@gmail.com
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I have a Sipeed Lichee RV dock board which only has 512MB DDR, so
memory optimizations such as swap on zram are helpful. As is seen
in commit d0637c505f8a ("arm64: enable THP_SWAP for arm64") and
commit bd4c82c22c367e ("mm, THP, swap: delay splitting THP after
swapped out"), THP_SWAP can improve the swap throughput significantly.
Enable THP_SWAP for RV64, testing the micro-benchmark which is
introduced by commit d0637c505f8a ("arm64: enable THP_SWAP for arm64")
shows below numbers on the Lichee RV dock board:
swp out bandwidth w/o patch: 66908 bytes/ms (mean of 10 tests)
swp out bandwidth w/ patch: 322638 bytes/ms (mean of 10 tests)
Improved by 382%!
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220829145742.3139-1-jszhang@kernel.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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This got out of order during a merge conflict, fix it by putting the
entries in the correct order.
Fixes: 7ab52f75a9cf ("RISC-V: Add Sstc extension support")
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220920204518.10988-1-palmer@rivosinc.com/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Pull vfs constification updates from Al Viro:
"whack-a-mole: constifying struct path *"
* tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ecryptfs: constify path
spufs: constify path
nd_jump_link(): constify path
audit_init_parent(): constify path
__io_setxattr(): constify path
do_proc_readlink(): constify path
overlayfs: constify path
fs/notify: constify path
may_linkat(): constify path
do_sys_name_to_handle(): constify path
->getprocattr(): attribute name is const char *, TYVM...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull file_inode() updates from Al Vrio:
"whack-a-mole: cropped up open-coded file_inode() uses..."
* tag 'pull-file_inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
orangefs: use ->f_mapping
_nfs42_proc_copy(): use ->f_mapping instead of file_inode()->i_mapping
dma_buf: no need to bother with file_inode()->i_mapping
nfs_finish_open(): don't open-code file_inode()
bprm_fill_uid(): don't open-code file_inode()
sgx: use ->f_mapping...
exfat_iterate(): don't open-code file_inode(file)
ibmvmc: don't open-code file_inode()
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Pull vfs file updates from Al Viro:
"struct file-related stuff"
* tag 'pull-file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
dma_buf_getfile(): don't bother with ->f_flags reassignments
Change calling conventions for filldir_t
locks: fix TOCTOU race when granting write lease
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"This contains a series from Linus Walleij to unify the linux/io.h
interface by making the ia64, alpha, parisc and sparc include
asm-generic/io.h.
All functions provided by the generic header are now available to all
drivers, but the architectures can still override this.
For the moment, mips and sh still don't include asm-generic/io.h but
provide a full set of functions themselves.
There are also a few minor cleanups unrelated to this"
* tag 'asm-generic-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
alpha: add full ioread64/iowrite64 implementation
parisc: Drop homebrewn io[read|write]64_[lo_hi|hi_lo]
parisc: hide ioread64 declaration on 32-bit
ia64: export memory_add_physaddr_to_nid to fix cxl build error
asm-generic: Remove empty #ifdef SA_RESTORER
parisc: Use the generic IO helpers
parisc: Remove 64bit access on 32bit machines
sparc: Fix the generic IO helpers
alpha: Use generic <asm-generic/io.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- arm64 perf: DDR PMU driver for Alibaba's T-Head Yitian 710 SoC, SVE
vector granule register added to the user regs together with SVE perf
extensions documentation.
- SVE updates: add HWCAP for SVE EBF16, update the SVE ABI
documentation to match the actual kernel behaviour (zeroing the
registers on syscall rather than "zeroed or preserved" previously).
- More conversions to automatic system registers generation.
- vDSO: use self-synchronising virtual counter access in gettimeofday()
if the architecture supports it.
- arm64 stacktrace cleanups and improvements.
- arm64 atomics improvements: always inline assembly, remove LL/SC
trampolines.
- Improve the reporting of EL1 exceptions: rework BTI and FPAC
exception handling, better EL1 undefs reporting.
- Cortex-A510 erratum 2658417: remove BF16 support due to incorrect
result.
- arm64 defconfig updates: build CoreSight as a module, enable options
necessary for docker, memory hotplug/hotremove, enable all PMUs
provided by Arm.
- arm64 ptrace() support for TPIDR2_EL0 (register provided with the SME
extensions).
- arm64 ftraces updates/fixes: fix module PLTs with mcount, remove
unused function.
- kselftest updates for arm64: simple HWCAP validation, FP stress test
improvements, validation of ZA regs in signal handlers, include
larger SVE and SME vector lengths in signal tests, various cleanups.
- arm64 alternatives (code patching) improvements to robustness and
consistency: replace cpucap static branches with equivalent
alternatives, associate callback alternatives with a cpucap.
- Miscellaneous updates: optimise kprobe performance of patching
single-step slots, simplify uaccess_mask_ptr(), move MTE registers
initialisation to C, support huge vmalloc() mappings, run softirqs on
the per-CPU IRQ stack, compat (arm32) misalignment fixups for
multiword accesses.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (126 commits)
arm64: alternatives: Use vdso/bits.h instead of linux/bits.h
arm64/kprobe: Optimize the performance of patching single-step slot
arm64: defconfig: Add Coresight as module
kselftest/arm64: Handle EINTR while reading data from children
kselftest/arm64: Flag fp-stress as exiting when we begin finishing up
kselftest/arm64: Don't repeat termination handler for fp-stress
ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
arm64/mm: fold check for KFENCE into can_set_direct_map()
arm64: ftrace: fix module PLTs with mcount
arm64: module: Remove unused plt_entry_is_initialized()
arm64: module: Make plt_equals_entry() static
arm64: fix the build with binutils 2.27
kselftest/arm64: Don't enable v8.5 for MTE selftest builds
arm64: uaccess: simplify uaccess_mask_ptr()
arm64: asm/perf_regs.h: Avoid C++-style comment in UAPI header
kselftest/arm64: Fix typo in hwcap check
arm64: mte: move register initialization to C
arm64: mm: handle ARM64_KERNEL_USES_PMD_MAPS in vmemmap_populate()
arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()
arm64/sve: Add Perf extensions documentation
...
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Pull ARM SoC updates from Arnd Bergmann:
"The main changes this time are for the organization of the Kconfig
files, introducing per-vendor top-level options on arm64 to match
those on arm32, and making the platform selection on arm32 more
uniform, in particular for the remaining StrongARM platforms that
still have a couple of special cases compared to the more recent ones.
I also did a cleanup of the old Footbridge platform, which was the
last holdout for the phys_to_dma()/dma_to_phys() interface that is now
completely gone from arm32, completing work started by Christoph
Hellwig"
* tag 'arm-soc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (21 commits)
ARM: aspeed: Kconfig: Fix indentation
ARM: Drop CMDLINE_* dependency on ATAGS
ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
ARM: s3c: remove orphan declarations from arch/arm/mach-s3c/devs.h
pxa: Drop if with an always false condition
ARM: orion: fix include path
ARM: shmobile: Drop selecting SOC_BUS
arm64: renesas: Drop selecting SOC_BUS
ARM: disallow PCI with MMU=n again
ARM: footbridge: remove custom DMA address handling
MAINTAINERS: Add BCM4908 maintainer to BCMBCA entry
ARM: footbridge: move isa-dma support into footbridge
ARM: footbridge: remove leftover from personal-server
ARM: footbridge: remove addin mode
arm64: Kconfig.platforms: Group NXP platforms together
arm64: Kconfig.platforms: Re-organized Broadcom menu
ARM: make ARCH_MULTIPLATFORM user-visible
ARM: fix XIP_KERNEL dependencies
ARM: Kconfig: clean up platform selection
ARM: simplify machdirs/platdirs handling
...
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Pull ARM devicetree updates from Arnd Bergmann:
"Most of the changes fall into one of three categories: adding support
for additional devices on existing machines, cleaning up issues found
by the ongoing conversion to machine-readable bindings, and addressing
minor mistakes in the existing DT data.
Across SoC vendors, Qualcomm and Freescale stick out as getting the
most updates, which corresponds to their dominance in the mobile phone
and embedded industrial markets, respectively.
There are 636 non-merge changeset in this branch, which is a little
lower than most times, but more importantly we only add 36 machine
files, which is about half of what we had the past few releases.
Eight new SoCs are added, but all of them are variations of already
supported SoC families, and most of them come with one reference board
design from the SoC vendor:
- Mediatek MT8186 is a Chromebook/Tablet type SoC, similar to the
MT65xx series of phone SoCs, with two Cortex-A76 and six Cortex-A55
cores.
- TI AM62A is another member of the K3 family with Cortex-A53 cores,
this one is targetted at Video/Vision processing for industrial and
automotive applications.
- NXP i.MX8DXL is another chip for this market in the ever-growing
i.MX8 family, this one again with two Cortex-A35 cores.
- Renesas R-Car H3Ne-1.7G (R8A779MB) and R-Car V3H2 (R8A77980A) are
minor updates of R8A77951 and R8A77980, respectively.
- Qualcomm IPQ8064-v2.0, IPQ8062 and IPQ8065 are all variants of the
IPQ8064 chip, with minimally different features.
The AMD Pensando Elba and Apple M1 Ultra SoC support was getting close
this time, but in the end did not make the cut.
The new machines based on existing SoC support are fairly uneventful:
- Sony Xperia 1 IV is a fairly recent phone based on Qualcomm
Snapdragon 8 Gen 1.
- Three Samsung phones based on Snapdragon 410: Galaxy E5, E7 and
Grand Max. These are added for both 32-bit and 64-bit kernels, as
they originally shipped running 32-bit code.
- Two new servers using AST2600 BMCs: AMD DaytonaX and Ampere Mt.
Mitchell
- Three new machines based on Rockchips RK3399 and RK3566: Anberic
RG353P and RG503, Pine64 Pinephone Pro, Open AI Lab
- Multiple NXP i.MX6/i.MX8 based boards: Kontron SL/BL i.MX8MM OSM-S,
i.MX8MM Gateworks GW7904, MSC SM2S-IMX8PLUS SoM and carrier board
- Two development boards in the Microchip AT91 family: SAMA5D3-EDS
and lan966x-pcb8290.
- Minor variants of existing boards using Amlogic, Broadcom, Marvell,
Rockchips, Freescale Layerscape and Socionext Uniphier SoCs"
* tag 'arm-dt-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (617 commits)
Revert "ARM: dts: BCM5301X: Add basic PCI controller properties"
ARM: dts: s5pv210: correct double "pins" in pinmux node
ARM: dts: exynos: fix polarity of VBUS GPIO of Origen
arm64: dts: exynos: fix polarity of "enable" line of NFC chip in TM2
arm64: dts: uniphier: Add L2 cache node
arm64: dts: uniphier: Remove compatible "snps,dw-pcie" from pcie node
arm64: dts: uniphier: Fix opp-table node name for LD20
arm64: dts: uniphier: Add USB-device support for PXs3 reference board
arm64: dts: uniphier: Add ahci controller nodes for PXs3
arm64: dts: uniphier: Use GIC interrupt definitions
arm64: dts: uniphier: Rename gpio-hog nodes
arm64: dts: uniphier: Rename usb-glue node for USB3 to usb-controller
arm64: dts: uniphier: Rename usb-phy node for USB2 to usb-controller
arm64: dts: uniphier: Rename pvtctl node to thermal-sensor
ARM: dts: uniphier: Remove compatible "snps,dw-pcie-ep" from pcie-ep node
ARM: dts: uniphier: Move interrupt-parent property to each child node in uniphier-support-card
ARM: dts: uniphier: Add ahci controller nodes for PXs2
ARM: dts: uniphier: Add ahci controller nodes for Pro4
ARM: dts: uniphier: Use GIC interrupt definitions
ARM: dts: uniphier: Rename gpio-hog node
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"The drivers branch for 6.1 is a bit larger than for most releases.
Most of the changes come from SoC maintainers for the drivers/soc
subsystem:
- A new driver for error handling on the NVIDIA Tegra 'control
backbone' bus.
- A new driver for Qualcomm LLCC/DDR bandwidth measurement
- New Rockchip rv1126 and rk3588 power domain drivers
- DT binding updates for memory controllers, older Rockchip SoCs,
various Mediatek devices, Qualcomm SCM firmware
- Minor updates to Hisilicon LPC bus, the Allwinner SRAM driver, the
Apple rtkit firmware driver, Tegra firmware
- Minor updates for SoC drivers (Samsung, Mediatek, Renesas, Tegra,
Qualcomm, Broadcom, NXP, ...)
There are also some separate subsystem with downstream maintainers
that merge updates this way:
- Various updates and new drivers in the memory controller subsystem
for Mediatek and Broadcom SoCs
- Small set of changes in preparation to add support for FF-A v1.1
specification later, in the Arm FF-A firmware subsystem
- debugfs support in the PSCI firmware subsystem"
* tag 'arm-drivers-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (149 commits)
ARM: remove check for CONFIG_DEBUG_LL_SER3
firmware/psci: Add debugfs support to ease debugging
firmware/psci: Print a warning if PSCI doesn't accept PC mode
dt-bindings: memory: snps,dw-umctl2-ddrc: Extend schema with IRQs/resets/clocks props
dt-bindings: memory: snps,dw-umctl2-ddrc: Replace opencoded numbers with macros
dt-bindings: memory: snps,dw-umctl2-ddrc: Use more descriptive device name
dt-bindings: memory: synopsys,ddrc-ecc: Detach Zynq DDRC controller support
soc: sunxi: sram: Add support for the D1 system control
soc: sunxi: sram: Export the LDO control register
soc: sunxi: sram: Save a pointer to the OF match data
soc: sunxi: sram: Return void from the release function
soc: apple: rtkit: Add apple_rtkit_poll
soc: imx: add i.MX93 media blk ctrl driver
soc: imx: add i.MX93 SRC power domain driver
soc: imx: imx8m-blk-ctrl: Use genpd_xlate_onecell
soc: imx: imx8mp-blk-ctrl: handle PCIe PHY resets
soc: imx: imx8m-blk-ctrl: add i.MX8MP VPU blk ctrl
soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR
soc: imx: add icc paths for i.MX8MP hsio/hdmi blk ctrl
soc: imx: add icc paths for i.MX8MP media blk ctrl
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM defconfig updates from Arnd Bergmann:
"As usual, we enable newly added device drivers in the various
defconfig files.
This time, there is also a larger cleanup series that just reorders
symbols according to what 'make savedefconfig' outputs and then tracks
down the most common removed or renamed symbols on top"
* tag 'arm-defconfig-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (43 commits)
ARM: config: aspeed_g5: Enable PECI
ARM: configs: aspeed_g4: Remove appended DTB and ATAG
ARM: configs: aspeed: Refresh defconfigs
ARM: config: aspeed: Enable namespaces
ARM: configs: aspeed_g4: Enable IPV6 options
ARM: configs: aspeed_g4: Enable OCC and NBD drivers
ARM: configs: aspeed_g5: Enable MCTP stack
ARM: configs: aspeed_g5: Add PL2303 USB serial driver
ARM: configs: aspeed_g5: Add TPM TIS I2C driver
ARM: configs: aspeed_g5: Add mp5023 driver
ARM: configs: aspeed: Add support for USB flash drives
arm64: configs: Enable all PMUs provided by Arm
arm64: defconfig: Enable Synopsys DWC MSHC driver
arm64: defconfig: Enabled SC8180x configs
arm64: defconfig: Make TEGRA186_GPC_DMA built-in
arm64: tegra: Enable Tegra SPI & QSPI in deconfig
arm64: defconfig: enable newer Qualcomm SoC sound drivers
ARM: config: ixp4xx: Disable legacy EEPROM driver
arm64: defconfig: Enable devfreq cooling device
arm64: defconfig: enable ARCH_NXP
...
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Pull ARM updates from Russell King:
- Print an un-hashed userspace PC on undefined instruction exception
- Disable FDPIC ABI
- Remove redundant vfp_flush/release_thread functions
- Use raw_cpu_* rather than this_cpu_* in handle_bad_stack()
- Avoid needlessly long backtraces when show_regs() is called
- Fix an issue with stack traces through call_with_stack()
- Avoid stack traces saving a duplicate exception PC value
- Pass a void pointer to virt_to_page() in DMA mapping code
- Fix kasan maps for modules when CONFIG_KASAN_VMALLOC=n
- Show FDT region and page table level names in kernel page tables dump
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9246/1: dump: show page table level name
ARM: 9245/1: dump: show FDT region
ARM: 9242/1: kasan: Only map modules if CONFIG_KASAN_VMALLOC=n
ARM: 9240/1: dma-mapping: Pass (void *) to virt_to_page()
ARM: 9234/1: stacktrace: Avoid duplicate saving of exception PC value
ARM: 9233/1: stacktrace: Skip frame pointer boundary check for call_with_stack()
ARM: 9224/1: Dump the stack traces based on the parameter 'regs' of show_regs()
ARM: 9232/1: Replace this_cpu_* with raw_cpu_* in handle_bad_stack()
ARM: 9228/1: vfp: kill vfp_flush/release_thread()
ARM: 9226/1: disable FDPIC ABI
ARM: 9221/1: traps: print un-hashed user pc on undefined instruction
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When using syscall wrappers the __SYSCALL_DEFINEx() and related macros
add a "__powerpc_" prefix to all syscall entry points.
So for example sys_mmap becomes __powerpc_sys_mmap.
This risks breaking workflows and tools that expect the old naming
scheme. At a minimum setting a breakpoint on eg. sys_mmap with gdb no
longer works.
There seems to be no compelling reason to add the "__powerpc_" prefix,
other than that it follows what some other arches do (x86, arm64, s390).
But unlike other arches powerpc doesn't always enable syscall wrappers,
so the syscall entry points can change name depending on CONFIG options.
For those reasons drop the "__powerpc_" prefix, reverting to the
existing naming.
Doing so reveals two prototypes in signal.h that have the incorrect type
when syscall wrappers are enabled. There are already prototypes for both
functions in syscalls.h, so drop the ones from signal.h.
Fixes: 7e92e01b7245 ("powerpc: Provide syscall wrapper")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221006135940.1223988-1-mpe@ellerman.id.au
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Since commit ae626eb97376 ("ARM/dma-mapping: use dma-direct
unconditionally") only the dma_coherent flag in struct device is used,
so remove the now write only flag in struct dev_archdata.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Commit ae626eb97376 ("ARM/dma-mapping: use dma-direct unconditionally")
caused a regression on the mvebu platform, wherein devices that are
dma-coherent are marked as dma-noncoherent, because although
mvebu_hwcc_notifier() after that commit still marks then as coherent,
the arm_coherent_dma_ops() function, which is called later, overwrites
this setting, since it is being called from drivers/of/device.c with
coherency parameter determined by of_dma_is_coherent(), and the
device-trees do not declare the 'dma-coherent' property.
Fix this by defaulting never clearing the dma_coherent flag in
arm_coherent_dma_ops().
Fixes: ae626eb97376 ("ARM/dma-mapping: use dma-direct unconditionally")
Reported-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Marek Behún <kabel@kernel.org>
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When compat mode isn't supported(I believe this is the most case now),
kernel will emit somthing as:
[ 0.050407] riscv: ELF compat mode failed
This msg may make users think there's something wrong with the kernel
itself, replace "failed" with "unsupported" to make it clear. In fact
this is the real compat_mode_supported meaning. After the patch, the
msg would be:
[ 0.050407] riscv: ELF compat mode unsupported
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20220821141819.3804-1-jszhang@kernel.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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When building with CONFIG_LTO after commit ba00c2a04fa5 ("arm64: fix the
build with binutils 2.27"), the following build error occurs:
In file included from arch/arm64/kernel/module-plts.c:6:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:8:
In file included from arch/arm64/include/asm/hwcap.h:9:
In file included from arch/arm64/include/asm/cpufeature.h:9:
In file included from arch/arm64/include/asm/alternative-macros.h:5:
In file included from include/linux/bits.h:22:
In file included from include/linux/build_bug.h:5:
In file included from include/linux/compiler.h:248:
In file included from arch/arm64/include/asm/rwonce.h:71:
include/asm-generic/rwonce.h:67:9: error: expected string literal in 'asm'
return __READ_ONCE(*(unsigned long *)addr);
^
arch/arm64/include/asm/rwonce.h:43:16: note: expanded from macro '__READ_ONCE'
asm volatile(__LOAD_RCPC(b, %w0, %1) \
^
arch/arm64/include/asm/rwonce.h:17:2: note: expanded from macro '__LOAD_RCPC'
ALTERNATIVE( \
^
Similar to the issue resolved by commit 0072dc1b53c3 ("arm64: avoid
BUILD_BUG_ON() in alternative-macros"), there is a circular include
dependency through <linux/bits.h> when CONFIG_LTO is enabled due to
<asm/rwonce.h> appearing in the include chain before the contents of
<asm/alternative-macros.h>, which results in ALTERNATIVE() not getting
expanded properly because it has not been defined yet.
Avoid this issue by including <vdso/bits.h>, which includes the
definition of the BIT() macro, instead of <linux/bits.h>, as BIT() is the
only macro from bits.h that is relevant to this header.
Fixes: ba00c2a04fa5 ("arm64: fix the build with binutils 2.27")
Link: https://github.com/ClangBuiltLinux/linux/issues/1728
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221003193759.1141709-1-nathan@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Adding the #address-cells/#size-cells properties without also
adding the other required properties for PCI nodes causes new
build warnings from dtc that now show up everywhere, rather than
just while verifying the yaml bindings:
arch/arm/boot/dts/bcm5301x.dtsi:240.21-246.5: Warning (pci_bridge): /axi@18000000/pcie@12000: missing ranges for PCI bridge (or not a bridge)
arch/arm/boot/dts/bcm5301x.dtsi:248.21-254.5: Warning (pci_bridge): /axi@18000000/pcie@13000: missing ranges for PCI bridge (or not a bridge)
arch/arm/boot/dts/bcm5301x.dtsi:256.21-262.5: Warning (pci_bridge): /axi@18000000/pcie@14000: missing ranges for PCI bridge (or not a bridge)
arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dtb: Warning (unit_address_format): Failed prerequisite 'pci_bridge'
Revert it for now.
Fixes: 61dc1e3850a6 ("ARM: dts: BCM5301X: Add basic PCI controller properties")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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