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It's not a good idea to access phys_proc_id and cpu_die_id directly.
Use topology_physical_package_id(cpu) and topology_die_id(cpu)
instead.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The only usage of suspend_attr_group is to put its address in an
array of pointers to const attribute_group structs.
Make it const to allow the compiler to put it into read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Remove "default n" options. If the "default" line is removed, it
defaults to 'n'.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Energy Model supports now other devices like GPUs, DSPs, not only CPUs.
Thus, update the description in the config option. Remove also unneeded
"default n". If the "default" line is removed, it defaults to 'n'.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add support mt8516 compatbile
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20210201070016.41721-8-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add two compatible for mt2701 and mt7623;
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20210201070016.41721-7-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add optional property "assigned-clock" and "assigned-clock-parents"
used by mt7629.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20210201070016.41721-6-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On parisc a spinlock is stored in the next page behind the pgd which
protects against parallel accesses to the pgd. That's why one additional
page (PGD_ALLOC_ORDER) is allocated for the pgd.
Matthew Wilcox suggested that we instead should use a pointer in the
struct page table for this spinlock and noted, that the comments for the
PGD_ORDER and PMD_ORDER defines were wrong.
Both suggestions are addressed with this patch. Instead of having an own
spinlock to protect the pgd, we now switch to use the existing
page_table_lock. Additionally, beside loading the pgd into cr25 in
switch_mm_irqs_off(), the physical address of this lock is loaded into
cr28 (tr4), so that we can avoid implementing a complicated lookup in
assembly for this lock in the TLB fault handlers.
The existing Hybrid L2/L3 page table scheme (where the pmd is adjacent
to the pgd) has been dropped with this patch.
Remove the locking in set_pte() and the huge-page pte functions too.
They trigger a spinlock recursion on 32bit machines and seem unnecessary.
Suggested-by: Matthew Wilcox <willy@infradead.org>
Fixes: b37d1c1898b2 ("parisc: Use per-pagetable spinlock")
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
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Remove the acronym "VDM" and replace it with the full name "Vendor
Defined Message".
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210212073743.665038-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use test_tsk_thread_flag() directly instead of test_ti_thread_flag() to
improve readability when the argument type is struct task_struct, it is
similar with commit 5afc78551bf5 ("arm64: Use test_tsk_thread_flag() for
checking TIF_SINGLESTEP").
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Helge Deller <deller@gmx.de>
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Bump 64-bit IRQ stack size to 64 KB.
I had a kernel IRQ stack overflow on the mx3210 debian buildd machine. This patch increases the
64-bit IRQ stack size to 64 KB. The 64-bit stack size needs to be larger than the 32-bit stack
size since registers are twice as big.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
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On my C8000 a HPMC was triggered, but the HPMC handler wasn't called.
I got the following chassis codes:
<Cpu2> e800009802e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu3> e800009803e00000 00000000001b28a3 CC_ERR_CHECK_HPMC
<Cpu2> 37000f7302e00000 8400000000800000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu3> 37000f7303e00000 8400000000800000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu2> f600105e02e00000 fffffff0f0c00000 CC_MC_HPMC_MONARCH_SELECTED
<Cpu3> 5600100b03e00000 00000000000001a0 CC_MC_OS_HPMC_LEN_ERR
<Cpu2> 140003b202e00000 000000000000000b CC_ERR_HPMC_STATE_ENTRY
<Cpu3> 5600106403e00000 fffffff0f043ad20 CC_MC_BR_TO_OS_HPMC_FAILED
<Cpu3> 160012cf03e00000 030001001e000007 CC_MPS_CPU_WAITING
<Cpu2> 5600100b02e00000 00000000000001a0 CC_MC_OS_HPMC_LEN_ERR
<Cpu2> 5600106402e00000 fffffff0f0438e70 CC_MC_BR_TO_OS_HPMC_FAILED
<Cpu2> e800009802e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu2> 37000f7302e00000 8400000000800000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu2> 4000109f02e00000 0000000000000000 CC_MC_HPMC_INITIATED
<Cpu2> 4000101902e00000 0000000000000000 CC_MC_MULTIPLE_HPMCS
<Cpu2> 030010d502e00000 0000000000000000 CC_CPU_STOP
C8000 PDC is complaining about our HPMC handler length, which is 1a0 (second
part of the chassis code). Changing that to 0 makes the error go away:
<Cpu0> e800009800e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu3> e800009803e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu1> e800009801e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu2> e800009802e00000 0000000000000000 CC_ERR_CHECK_HPMC
<Cpu0> 37000f7300e00000 8060004000000000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu3> 37000f7303e00000 8060004000000000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu1> 37000f7301e00000 8060004000000000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu2> 37000f7302e00000 8060004000000000 CC_ERR_CPU_CHECK_SUMMARY
<Cpu0> f600105e00e00000 fffffff0f0c00000 CC_MC_HPMC_MONARCH_SELECTED
<Cpu3> 5600109b03e00000 00000000001eb024 CC_MC_BR_TO_OS_HPMC
<Cpu1> 5600109b01e00000 00000000001eb024 CC_MC_BR_TO_OS_HPMC
<Cpu2> 5600109b02e00000 00000000001eb024 CC_MC_BR_TO_OS_HPMC
<Cpu0> 140003b200e00000 000000000000000b CC_ERR_HPMC_STATE_ENTRY
<Cpu3> 0000000003000000 0000000000000000
<Cpu1> 0000000001000000 0000000000000000
<Cpu2> 0000000002000000 0000000000000000
<Cpu0> 5600109b00e00000 00000000001eb024 CC_MC_BR_TO_OS_HPMC
<Cpu0> 0000000000000000 0000000000000000
So at least the HPMC handler is now called, but it hangs. Which isn't really
suprising, as the code has at least one comment saying it can't handle multiple
CPUs, and here the handler is called on all CPUs. And i'm not sure whether it
can handle 64 Bit.
So despite what the PDC spec says, C8000 and RP34xx/RP44xx don't want the
OS_HPMC length in the vector set, which is odd. I disassembled the firmware and
it actually looks like a Bug in PDC.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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vDSO build improvements.
* for-next/vdso:
arm64: Support running gen_vdso_offsets.sh with BSD userland.
arm64: do not descend to vdso directories twice
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Cleanup to the AMU support code and initialisation rework to support
cpufreq drivers built as modules.
* for-next/topology:
arm64: topology: Make AMUs work with modular cpufreq drivers
arm64: topology: Reorder init_amu_fie() a bit
arm64: topology: Avoid the have_policy check
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Remove synthetic frame record from exception stack when entering from
userspace.
* for-next/stacktrace:
arm64: remove EL0 exception frame record
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Trivial cleanup to one of the MTE selftests.
* for-next/selftests:
arm64: mte: style: Simplify bool comparison
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Add support for the TRNG firmware call introduced by Arm spec DEN0098.
* for-next/rng:
arm64: Add support for SMCCC TRNG entropy source
firmware: smccc: Introduce SMCCC TRNG framework
firmware: smccc: Add SMCCC TRNG function call IDs
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Avoid calling arch_get_random_seed_long() from add_interrupt_randomness()
as this can result in a firmware call on some arm64 systems.
* for-next/random:
random: avoid arch_get_random_seed_long() when collecting IRQ randomness
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Perf and PMU updates including support for Cortex-A78 and the v8.3 SPE
extensions.
* for-next/perf:
drivers/perf: Replace spin_lock_irqsave to spin_lock
dt-bindings: arm: add Cortex-A78 binding
arm64: perf: add support for Cortex-A78
arm64: perf: Constify static attribute_group structs
drivers/perf: Prevent forced unbinding of ARM_DMC620_PMU drivers
perf/arm-cmn: Move IRQs when migrating context
perf/arm-cmn: Fix PMU instance naming
perf: Constify static struct attribute_group
perf: hisi: Constify static struct attribute_group
perf/imx_ddr: Constify static struct attribute_group
perf: qcom: Constify static struct attribute_group
drivers/perf: Add support for ARMv8.3-SPE
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Miscellaneous arm64 changes for 5.12.
* for-next/misc:
arm64: Make CPU_BIG_ENDIAN depend on ld.bfd or ld.lld 13.0.0+
arm64: vmlinux.ld.S: add assertion for tramp_pg_dir offset
arm64: vmlinux.ld.S: add assertion for reserved_pg_dir offset
arm64/ptdump:display the Linear Mapping start marker
arm64: ptrace: Fix missing return in hw breakpoint code
KVM: arm64: Move __hyp_set_vectors out of .hyp.text
arm64: Include linux/io.h in mm/mmap.c
arm64: cacheflush: Remove stale comment
arm64: mm: Remove unused header file
arm64/sparsemem: reduce SECTION_SIZE_BITS
arm64/mm: Add warning for outside range requests in vmemmap_populate()
arm64: Drop workaround for broken 'S' constraint with GCC 4.9
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Significant steps along the road to leaving the MMU enabled during kexec
relocation.
* for-next/kexec:
arm64: hibernate: add __force attribute to gfp_t casting
arm64: kexec: arm64_relocate_new_kernel don't use x0 as temp
arm64: kexec: arm64_relocate_new_kernel clean-ups and optimizations
arm64: kexec: call kexec_image_info only once
arm64: kexec: move relocation function setup
arm64: trans_pgd: hibernate: idmap the single page that holds the copy page routines
arm64: mm: Always update TCR_EL1 from __cpu_set_tcr_t0sz()
arm64: trans_pgd: pass NULL instead of init_mm to *_populate functions
arm64: trans_pgd: pass allocator trans_pgd_create_copy
arm64: trans_pgd: make trans_pgd_map_page generic
arm64: hibernate: move page handling function to new trans_pgd.c
arm64: hibernate: variable pudp is used instead of pd4dp
arm64: kexec: make dtb_mem always enabled
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Initialise prefaulted PTEs as 'old' for arm64 when hardware access-flag
updates are supported, which drastically improves vmscan performance.
* for-next/faultaround:
mm: filemap: Fix microblaze build failure with 'mmu_defconfig'
mm/nommu: Fix return type of filemap_map_pages()
mm: Mark anonymous struct field of 'struct vm_fault' as 'const'
mm: Use static initialisers for immutable fields of 'struct vm_fault'
mm: Avoid modifying vmf.address in __collapse_huge_page_swapin()
mm: Pass 'address' to map to do_set_pte() and drop FAULT_FLAG_PREFAULT
mm: Move immutable fields of 'struct vm_fault' into anonymous struct
arm64: mm: Implement arch_wants_old_prefaulted_pte()
mm: Allow architectures to request 'old' entries when prefaulting
mm: Cleanup faultaround and finish_fault() codepaths
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Rework of the workaround for Cortex-A76 erratum 1463225 to fit in better
with the ongoing exception entry cleanups and changes to the detection
code for Cortex-A55 erratum 1024718 since it applies to all revisions of
the silicon.
* for-next/errata:
arm64: entry: consolidate Cortex-A76 erratum 1463225 workaround
arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
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Introduce a new macro to allow yielding the vector unit if preemption
is required. The initial users of this are being merged via the crypto
tree for 5.12.
* for-next/crypto:
arm64: assembler: add cond_yield macro
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Support for overriding CPU ID register fields on the command-line, which
allows us to disable certain features which the kernel would otherwise
use unconditionally when detected.
* for-next/cpufeature: (22 commits)
arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line
arm64: Defer enabling pointer authentication on boot core
arm64: cpufeatures: Allow disabling of BTI from the command-line
arm64: Move "nokaslr" over to the early cpufeature infrastructure
KVM: arm64: Document HVC_VHE_RESTART stub hypercall
arm64: Make kvm-arm.mode={nvhe, protected} an alias of id_aa64mmfr1.vh=0
arm64: Add an aliasing facility for the idreg override
arm64: Honor VHE being disabled from the command-line
arm64: Allow ID_AA64MMFR1_EL1.VH to be overridden from the command line
arm64: cpufeature: Add an early command-line cpufeature override facility
arm64: Extract early FDT mapping from kaslr_early_init()
arm64: cpufeature: Use IDreg override in __read_sysreg_by_encoding()
arm64: cpufeature: Add global feature override facility
arm64: Move SCTLR_EL1 initialisation to EL-agnostic code
arm64: Simplify init_el2_state to be non-VHE only
arm64: Move VHE-specific SPE setup to mutate_to_vhe()
arm64: Drop early setting of MDSCR_EL2.TPMS
arm64: Initialise as nVHE before switching to VHE
arm64: Provide an 'upgrade to VHE' stub hypercall
arm64: Turn the MMU-on sequence into a macro
...
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Cosmetic changes to tidy up stale comments and fix inconsistent
whitespace. No functional changes here!
* for-next/cosmetic:
mm/arm64: Correct obsolete comment in do_page_fault()
arm64: improve whitespace
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CHECK drivers/acpi/property.c
warning: Function parameter or member '__fwnode' not described in 'acpi_graph_get_remote_endpoint'
warning: Excess function parameter 'fwnode' description in 'acpi_graph_get_remote_endpoint'
warning: Excess function parameter 'endpoint' description in 'acpi_graph_get_remote_endpoint'
Fixes: 0ef7478639c5 ("ACPI: property: Make the ACPI graph API private")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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CHECK drivers/acpi/property.c
warning: Function parameter or member 'data' not described in 'acpi_data_get_property_array'
warning: Excess function parameter 'adev' description in 'acpi_data_get_property_array'
Fixes: 3a7a2ab839ad ("ACPI / property: Extend fwnode_property_* to data-only subnodes")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no users outside of property.c. No need to export
acpi_node_prop_read(), hence make it static.
Fixes: 3708184afc77 ("device property: Move FW type specific functionality to FW specific files")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After the commit 3a7a2ab839ad couple of functions became a dead code.
Moreover, for all these years nobody used them. Remove.
Fixes: 3a7a2ab839ad ("ACPI / property: Extend fwnode_property_* to data-only subnodes")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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User reported that btrfs-progs misc-tests/028-superblock-recover fails:
[TEST/misc] 028-superblock-recover
unexpected success: mounted fs with corrupted superblock
test failed for case 028-superblock-recover
The test case expects that a broken image with bad superblock will be
rejected to be mounted. However, the test image just passed csum check
of superblock and was successfully mounted.
Commit 55fc29bed8dd ("btrfs: use cached value of fs_info::csum_size
everywhere") replaces all calls to btrfs_super_csum_size by
fs_info::csum_size. The calls include the place where fs_info->csum_size
is not initialized. So btrfs_check_super_csum() passes because memcmp()
with len 0 always returns 0.
Fix it by caching csum size in btrfs_fs_info::csum_size once we know the
csum type in superblock is valid in open_ctree().
Link: https://github.com/kdave/btrfs-progs/issues/250
Fixes: 55fc29bed8dd ("btrfs: use cached value of fs_info::csum_size everywhere")
Signed-off-by: Su Yue <l@damenly.su>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Property matching does not work for ACPI fwnodes if the value of the
given property is not represented as a package in the _DSD package
containing it. For example, the "compatible" property in the _DSD
below
Name (_DSD, Package () {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
Package () {"compatible", "ethernet-phy-ieee802.3-c45"}
}
})
will not be found by fwnode_property_match_string(), because the ACPI
code handling device properties does not regard the single value as a
"list" in that case.
Namely, fwnode_property_match_string() invoked to match a given
string property value first calls fwnode_property_read_string_array()
with the last two arguments equal to NULL and 0, respectively, in
order to count the items in the value of the given property, with the
assumption that this value may be an array. For ACPI fwnodes, that
operation is carried out by acpi_node_prop_read() which calls
acpi_data_prop_read() for this purpose. However, when the return
(val) pointer is NULL, that function only looks for a property whose
value is a package without checking the single-value case at all.
To fix that, make acpi_data_prop_read() check the single-value
case if its return pointer argument is NULL and modify
acpi_data_prop_read_single() handling that case to attempt to
read the value of the property if the return pointer is NULL
and return 1 if that succeeds.
Fixes: 3708184afc77 ("device property: Move FW type specific functionality to FW specific files")
Reported-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Cc: 4.13+ <stable@vger.kernel.org> # 4.13+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Merge recent cleanups to the x86 MM code to resolve a conflict.
Conflicts:
arch/x86/mm/fault.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Remove io_consume_sqe() and inline it back into io_get_sqe(). It
requires req dealloc on error, but in exchange we get cleaner
io_submit_sqes() and better locality for cached_sq_head.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Do a little trick in io_ring_ctx_free() briefly taking uring_lock, that
will wait for everyone currently holding it, so we can skip pinning ctx
with ctx->refs for __io_req_task_submit(), which is executed and loses
its refs/reqs while holding the lock.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Don't hand code io_req_task_queue() inside of io_async_buf_func(), just
call it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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There are two reasons for this. First is to optimise
io_sq_thread_acquire_mm_files() for non-SQPOLL case, which currently do
too many checks and function calls in the hot path, e.g. in
io_init_req().
The second is to not grab mm/files when there are not needed. As
__io_queue_sqe() issues only one request now, we can reuse
io_sq_thread_acquire_mm_files() instead of unconditional acquire
mm/files.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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__io_queue_sqe() tries to issue as much requests of a link as it can,
and uses io_put_req_find_next() to extract a next one, targeting inline
completed requests. As now __io_queue_sqe() is always used together with
struct io_comp_state, it leaves next propagation only a small window and
only for async reqs, that doesn't justify its existence.
Remove it, make __io_queue_sqe() to issue only a head request. It
simplifies the code and will allow other optimisations.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Completion and submission states are now coupled together, it's weird to
get one from argument and another from ctx, do it consistently for
io_req_free_batch(). It's also faster as we already have @state cached
in registers.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull nolibc fixes from Paul E. McKenney.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney:
- Documentation updates.
- Miscellaneous fixes.
- kfree_rcu() updates: Addition of mem_dump_obj() to provide allocator return
addresses to more easily locate bugs. This has a couple of RCU-related commits,
but is mostly MM. Was pulled in with akpm's agreement.
- Per-callback-batch tracking of numbers of callbacks,
which enables better debugging information and smarter
reactions to large numbers of callbacks.
- The first round of changes to allow CPUs to be runtime switched from and to
callback-offloaded state.
- CONFIG_PREEMPT_RT-related changes.
- RCU CPU stall warning updates.
- Addition of polling grace-period APIs for SRCU.
- Torture-test and torture-test scripting updates, including a "torture everything"
script that runs rcutorture, locktorture, scftorture, rcuscale, and refscale.
Plus does an allmodconfig build.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core
Pull LKMM updates from Paul E. McKenney.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core
Pull KCSAN updates from Paul E. McKenney:
"Kernel concurrency sanitizer (KCSAN) updates from Marco Elver."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The digital filter related computation are present in the driver
however the programming of the filter within the IP is missing.
The maximum value for the DNF is wrong and should be 15 instead of 16.
Fixes: aeb068c57214 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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These were missed earlier, add the necessary documentation
and, while at it, clarify it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20210212105023.895c3389f063.I46dea3bfc64385bc6f600c50d294007510994f8f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This change fixes a checkpatch CHECK style issue for "Alignment should match
open parenthesis".
Signed-off-by: Pritthijit Nath <pritthijit.nath@icloud.com>
Link: https://lore.kernel.org/r/20210212081835.9497-1-pritthijit.nath@icloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Many header files have been included, but never used. Those header
files have been removed.
Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
Link: https://lore.kernel.org/r/20210211143637.GA177425@LEGION
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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