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into clk-next
- Add resets for MediaTek MT8195 PCIe and USB
- Remove DaVinci DM644x and DM646x clk driver support
* clk-samsung:
clk: samsung: MAINTAINERS: add Krzysztof Kozlowski
clk: samsung: exynos850: Implement CMU_MFCMSCL domain
clk: samsung: exynos850: Implement CMU_IS domain
clk: samsung: exynos850: Implement CMU_AUD domain
clk: samsung: exynos850: Style fixes
clk: samsung: exynosautov9: add fsys1 clock support
clk: samsung: exynosautov9: add fsys0 clock support
clk: samsung: exynosautov9: correct register offsets of peric0/c1
clk: samsung: exynosautov9: add missing gate clks for peric0/c1
dt-bindings: clock: exynos850: Add Exynos850 CMU_MFCMSCL
dt-bindings: clock: exynos850: Add Exynos850 CMU_IS
dt-bindings: clock: exynos850: Add Exynos850 CMU_AUD
dt-bindings: clock: exynosautov9: add schema for cmu_fsys0/1
dt-bindings: clock: exynosautov9: add fsys1 clock definitions
dt-bindings: clock: exynosautov9: add fys0 clock definitions
clk: samsung: exynos7885: Add TREX clocks
clk: samsung: exynos7885: Implement CMU_FSYS domain
dt-bindings: clock: exynosautov9: correct clock numbering of peric0/c1
clk: samsung: exynos-clkout: Use of_device_get_match_data()
* clk-mtk: (42 commits)
clk: mediatek: add driver for MT8365 SoC
clk: mediatek: Export required common code symbols
clk: mediatek: Provide mtk_devm_alloc_clk_data
dt-bindings: clock: mediatek: add bindings for MT8365 SoC
clk: mediatek: mt8192: deduplicate parent clock lists
clk: mediatek: Migrate remaining clk_unregister_*() to clk_hw_unregister_*()
clk: mediatek: fix unregister function in mtk_clk_register_dividers cleanup
clk: mediatek: clk-mt8192: Add clock mux notifier for mfg_pll_sel
clk: mediatek: clk-mt8192-mfg: Propagate rate changes to parent
clk: mediatek: clk-mt8195-topckgen: Drop univplls from mfg mux parents
clk: mediatek: clk-mt8195-topckgen: Add GPU clock mux notifier
clk: mediatek: clk-mt8195-topckgen: Register mfg_ck_fast_ref as generic mux
clk: mediatek: clk-mt8195-mfg: Reparent mfg_bg3d and propagate rate changes
clk: mediatek: mt8183: Add clk mux notifier for MFG mux
clk: mediatek: mux: add clk notifier functions
clk: mediatek: mt8183: mfgcfg: Propagate rate changes to parent
clk: mediatek: Use mtk_clk_register_gates_with_dev in simple probe
clk: mediatek: gate: Export mtk_clk_register_gates_with_dev
clk: mediatek: add VDOSYS1 clock
dt-bindings: clk: mediatek: Add MT8195 DPI clocks
...
* clk-rm:
clk: davinci: remove PLL and PSC clocks for DaVinci DM644x and DM646x
* clk-ast:
clk: ast2600: BCLK comes from EPLL
* clk-qcom: (97 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: qcom: gcc-msm8939: use ARRAY_SIZE instead of specifying num_parents
clk: qcom: gcc-msm8939: use parent_hws where possible
dt-bindings: clock: move qcom,gcc-msm8939 to qcom,gcc-msm8916.yaml
clk: qcom: gcc-sm6350: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc8280xp: use retention for USB power domains
clk: qcom: gdsc: add missing error handling
dt-bindings: clocks: qcom,gcc-sc8280xp: Fix typos
clk: qcom: Add global clock controller driver for SM6375
dt-bindings: clock: add SM6375 QCOM global clock bindings
clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit
clk: qcom: gcc-sc7280: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc7180: Update the .pwrsts for usb gdsc
clk: qcom: gdsc: Fix the handling of PWRSTS_RET support
clk: qcom: Add SC8280XP GPU clock controller
dt-bindings: clock: Add Qualcomm SC8280XP GPU binding
clk: qcom: smd: Add SM6375 clocks
...
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'clk-xilinx' into clk-next
- 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
* clk-ofnode:
clk: ti: Balance of_node_get() calls for of_find_node_by_name()
clk: tegra20: Fix refcount leak in tegra20_clock_init
clk: tegra: Fix refcount leak in tegra114_clock_init
clk: tegra: Fix refcount leak in tegra210_clock_init
clk: sprd: Hold reference returned by of_get_parent()
clk: berlin: Add of_node_put() for of_get_parent()
clk: at91: dt-compat: Hold reference returned by of_get_parent()
clk: qoriq: Hold reference returned by of_get_parent()
clk: oxnas: Hold reference returned by of_get_parent()
clk: st: Hold reference returned by of_get_parent()
clk: tegra: Add missing of_node_put()
clk: meson: Hold reference returned by of_get_parent()
clk: nomadik: Add missing of_node_put()
* clk-bindings:
dt-bindings: clock: drop minItems equal to maxItems
dt-bindings: clock: gpio-gate-clock: Convert to json-schema
dt-bindings: clock: Move versaclock.h to dt-bindings/clock
dt-bindings: clock: Move lochnagar.h to dt-bindings/clock
* clk-cleanup:
clk: allow building lan966x as a module
clk: clk-xgene: simplify if-if to if-else
clk: nxp: fix typo in comment
clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
clkdev: Simplify devm_clk_hw_register_clkdev() function
clkdev: Remove never used devm_clk_release_clkdev()
clk: Remove never used devm_of_clk_del_provider()
clk: pistachio: Fix initconst confusion
clk: clk-npcm7xx: Remove unused struct npcm7xx_clk_gate_data and npcm7xx_clk_div_fixed_data
clk: do not initialize ret
clk: remove extra empty line
clk: Fix comment typo
clk: move from strlcpy with unused retval to strscpy
* clk-zynq:
clk: zynqmp: pll: rectify rate rounding in zynqmp_pll_round_rate
clk: zynqmp: Check the return type zynqmp_pm_query_data
clk: zynqmp: Add a check for NULL pointer
clk: zynqmp: Replaced strncpy() with strscpy()
clk: zynqmp: Fix stack-out-of-bounds in strncpy`
clk: zynqmp: make bestdiv unsigned
* clk-xilinx:
clk: clocking-wizard: Depend on HAS_IOMEM
clk: clocking-wizard: Use dev_err_probe() helper
clk: clocking-wizard: Update the compatible
clk: clocking-wizard: Fix the reconfig for 5.2
clk: clocking-wizard: Rename nr-outputs to xlnx,nr-outputs
clk: clocking-wizard: Move clocking-wizard out
dt-bindings: add documentation of xilinx clocking wizard
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This PLL frequency needs a UL postfix to avoid compiler warnings on
32-bit architectures.
Fixes: 184fdd873d83 ("clk: qcom: Add global clock controller driver for SM6375")
Cc: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Borislav Petkov:
- The usual round of smaller fixes and cleanups all over the tree
* tag 'x86_cleanups_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Include the header of init_ia32_feat_ctl()'s prototype
x86/uaccess: Improve __try_cmpxchg64_user_asm() for x86_32
x86: Fix various duplicate-word comment typos
x86/boot: Remove superfluous type casting from arch/x86/boot/bitops.h
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gcc_parent_data_15 and gcc_parent_map_15 are not used in this driver.
Remove them.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20221003211438.25691-1-konrad.dybcio@somainline.org
Fixes: 184fdd873d83 ("clk: qcom: Add global clock controller driver for SM6375")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Borislav Petkov:
- More work by James Morse to disentangle the resctrl filesystem
generic code from the architectural one with the endgoal of plugging
ARM's MPAM implementation into it too so that the user interface
remains the same
- Properly restore the MSR_MISC_FEATURE_CONTROL value instead of
blindly overwriting it to 0
* tag 'x86_cache_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/resctrl: Make resctrl_arch_rmid_read() return values in bytes
x86/resctrl: Add resctrl_rmid_realloc_limit to abstract x86's boot_cpu_data
x86/resctrl: Rename and change the units of resctrl_cqm_threshold
x86/resctrl: Move get_corrected_mbm_count() into resctrl_arch_rmid_read()
x86/resctrl: Move mbm_overflow_count() into resctrl_arch_rmid_read()
x86/resctrl: Pass the required parameters into resctrl_arch_rmid_read()
x86/resctrl: Abstract __rmid_read()
x86/resctrl: Allow per-rmid arch private storage to be reset
x86/resctrl: Add per-rmid arch private storage for overflow and chunks
x86/resctrl: Calculate bandwidth from the previous __mon_event_count() chunks
x86/resctrl: Allow update_mba_bw() to update controls directly
x86/resctrl: Remove architecture copy of mbps_val
x86/resctrl: Switch over to the resctrl mbps_val list
x86/resctrl: Create mba_sc configuration in the rdt_domain
x86/resctrl: Abstract and use supports_mba_mbps()
x86/resctrl: Remove set_mba_sc()s control array re-initialisation
x86/resctrl: Add domain offline callback for resctrl work
x86/resctrl: Group struct rdt_hw_domain cleanup
x86/resctrl: Add domain online callback for resctrl work
x86/resctrl: Merge mon_capable and mon_enabled
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x75 microcode loader updates from Borislav Petkov:
- Get rid of a single ksize() usage
- By popular demand, print the previous microcode revision an update
was done over
- Remove more code related to the now gone MICROCODE_OLD_INTERFACE
- Document the problems stemming from microcode late loading
* tag 'x86_microcode_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Track patch allocation size explicitly
x86/microcode: Print previous version of microcode after reload
x86/microcode: Remove ->request_microcode_user()
x86/microcode: Document the whole late loading problem
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt fix from Borislav Petkov:
- Ensure paravirt patching site descriptors are aligned properly so
that code can do proper arithmetic with their addresses
* tag 'x86_paravirt_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/paravirt: Ensure proper alignment
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Borislav Petkov:
- Drop misleading "RIP" from the opcodes dumping message
- Correct APM entry's Konfig help text
* tag 'x86_misc_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Don't mention RIP in "Code: "
x86/Kconfig: Specify idle=poll instead of no-hlt
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm update from Borislav Petkov:
- Use the __builtin_ffs/ctzl() compiler builtins for the constant
argument case in the kernel's optimized ffs()/ffz() helpers in order
to make use of the compiler's constant folding optmization passes.
* tag 'x86_asm_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm/bitops: Use __builtin_ctzl() to evaluate constant expressions
x86/asm/bitops: Use __builtin_ffs() to evaluate constant expressions
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core fixes from Borislav Petkov:
- Make sure an INT3 is slapped after every unconditional retpoline JMP
as both vendors suggest
- Clean up pciserial a bit
* tag 'x86_core_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86,retpoline: Be sure to emit INT3 after JMP *%\reg
x86/earlyprintk: Clean up pciserial
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC update from Borislav Petkov:
- Add support for locking the APIC in X2APIC mode to prevent SGX
enclave leaks
* tag 'x86_apic_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Don't disable x2APIC if locked
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Borislav Petkov:
- Fix the APEI MCE callback handler to consult the hardware about the
granularity of the memory error instead of hard-coding it
- Offline memory pages on Intel machines after 2 errors reported per
page
* tag 'ras_core_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Retrieve poison range from hardware
RAS/CEC: Reduce offline page threshold for Intel systems
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Borislav Petkov:
- Print the CPU number at segfault time.
The number printed is not always accurate (preemption is enabled at
that time) but the print string contains "likely" and after a lot of
back'n'forth on this, this was the consensus that was reached. See
thread at [1].
- After a *lot* of testing and polishing, finally the clear_user()
improvements to inline REP; STOSB by default
Link: https://lore.kernel.org/r/5d62c1d0-7425-d5bb-ecb5-1dc3b4d7d245@intel.com [1]
* tag 'x86_cpu_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Print likely CPU at segfault time
x86/clear_user: Make it faster
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SGX update from Borislav Petkov:
- Improve the documentation of a couple of SGX functions handling
backing storage
* tag 'x86_sgx_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Improve comments for sgx_encl_lookup/alloc_backing()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RTC cleanups from Borislav Petkov:
- Cleanup x86/rtc.c and delete duplicated functionality in favor of
using the respective functionality from the RTC library
* tag 'x86_timers_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/rtc: Rename mach_set_rtc_mmss() to mach_set_cmos_time()
x86/rtc: Rewrite & simplify mach_get_cmos_time() by deleting duplicated functionality
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform update from Borislav Petkov:
"A single x86/platform improvement when the kernel is running as an
ACRN guest:
- Get TSC and CPU frequency from CPUID leaf 0x40000010 when the
kernel is running as a guest on the ACRN hypervisor"
* tag 'x86_platform_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/acrn: Set up timekeeping
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Add support for Skylake-S CPUs to ie31200_edac
- Improve error decoding speed of the Intel drivers by avoiding the
ACPI facilities but doing decoding in the driver itself
- Other misc improvements to the Intel drivers
- The usual cleanups and fixlets all over EDAC land
* tag 'edac_updates_for_v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i7300: Correct the i7300_exit() function name in comment
x86/sb_edac: Add row column translation for Broadwell
EDAC/i10nm: Print an extra register set of retry_rd_err_log
EDAC/i10nm: Retrieve and print retry_rd_err_log registers for HBM
EDAC/skx_common: Add ChipSelect ADXL component
EDAC/ppc_4xx: Reorder symbols to get rid of a few forward declarations
EDAC: Remove obsolete declarations in edac_module.h
EDAC/i10nm: Add driver decoder for Ice Lake and Tremont CPUs
EDAC/skx_common: Make output format similar
EDAC/skx_common: Use driver decoder first
EDAC/mc: Drop duplicated dimm->nr_pages debug printout
EDAC/mc: Replace spaces with tabs in memtype flags definition
EDAC/wq: Remove unneeded flush_workqueue()
EDAC/ie31200: Add Skylake-S support
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If CONFIG_IO_URING is not set:
include/linux/io_uring.h:65:12: error: ‘io_uring_cmd_import_fixed’ defined but not used [-Werror=unused-function]
65 | static int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
Fix this by adding the missing "inline" keyword.
Fixes: a9216fac3ed8819c ("io_uring: add io_uring_cmd_import_fixed")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/7404b4a696f64e33e5ef3c5bd3754d4f26d13e50.1664887093.git.geert+renesas@glider.be
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The for_each_acpi_consumer_dev() takes a reference to the iterator
and if we break a loop we must drop that reference. This usually
happens when error handling is involved. However it's not the case
for skl_int3472_fill_clk_pdata().
Don't leak reference on error by dropping it properly.
Fixes: 43cf36974d76 ("platform/x86: int3472: Support multiple clock consumers")
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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If an error is detected as a result of user-space process accessing a
corrupt memory location, the CPU may take an abort. Then the platform
firmware reports kernel via NMI like notifications, e.g. NOTIFY_SEA,
NOTIFY_SOFTWARE_DELEGATED, etc.
For NMI like notifications, commit 7f17b4a121d0 ("ACPI: APEI: Kick the
memory_failure() queue for synchronous errors") keep track of whether
memory_failure() work was queued, and make task_work pending to flush out
the queue so that the work is processed before return to user-space.
The code use init_mm to check whether the error occurs in user space:
if (current->mm != &init_mm)
The condition is always true, becase _nobody_ ever has "init_mm" as a real
VM any more.
In addition to abort, errors can also be signaled as asynchronous
exceptions, such as interrupt and SError. In such case, the interrupted
current process could be any kind of thread. When a kernel thread is
interrupted, the work ghes_kick_task_work deferred to task_work will never
be processed because entry_handler returns to call ret_to_kernel() instead
of ret_to_user(). Consequently, the estatus_node alloced from
ghes_estatus_pool in ghes_in_nmi_queue_one_entry() will not be freed.
After around 200 allocations in our platform, the ghes_estatus_pool will
run of memory and ghes_in_nmi_queue_one_entry() returns ENOMEM. As a
result, the event failed to be processed.
sdei: event 805 on CPU 113 failed with error: -2
Finally, a lot of unhandled events may cause platform firmware to exceed
some threshold and reboot.
The condition should generally just do
if (current->mm)
as described in active_mm.rst documentation.
Then if an asynchronous error is detected when a kernel thread is running,
(e.g. when detected by a background scrubber), do not add task_work to it
as the original patch intends to do.
Fixes: 7f17b4a121d0 ("ACPI: APEI: Kick the memory_failure() queue for synchronous errors")
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit d60cd06331a3 ("PM: ACPI: reboot: Use S5 for reboot") caused Dell
PowerEdge r440 hangs at reboot.
The issue is fixed by commit 2ca1c94ce0b6 ("tg3: Disable tg3 device on
system reboot to avoid triggering AER"), so use the new sysoff API to
reinstate S5 for reboot on ACPI-based systems.
Using S5 for reboot is default behavior under Windows: "A full shutdown
(S5) occurs when a system restart is requested" [1].
Link: https://docs.microsoft.com/en-us/windows/win32/power/system-power-state # [1]
Suggested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add SYS_OFF_MODE_RESTART_PREPARE callbacks to be invoked before
a system restart.
Suggested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change adds support for ACPI devices that use ExclusiveAndWake or
SharedAndWake in their _CRS GpioInt definition (instead of using _PRW),
and also provide power resources. Previously the ACPI subsystem had no
idea if the device had a wake capable interrupt armed. This resulted
in the ACPI device PM system placing the device into D3Cold, and thus
cutting power to the device. With this change we will now query the
_S0W method to figure out the appropriate wake capable D-state.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Device tree already has a mechanism to pass the wake_irq. It does this
by looking for the wakeup-source property and setting the
I2C_CLIENT_WAKE flag. This CL adds the ACPI equivalent. It uses the
ACPI interrupt wake flag to determine if the interrupt can be used to
wake the system. Previously the i2c drivers had to make assumptions and
blindly enable the wake IRQ. This can cause spurious wake events. e.g.,
If there is a device with an Active Low interrupt and the device gets
powered off while suspending, the interrupt line will go low since it's
no longer powered and wakes the system. For this reason we should
respect the board designers wishes and honor the wake bit defined on the
interrupt.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPI IRQ/Interrupt resources contain a bit that describes if the
interrupt should wake the system. This change exposes that bit via
a new IORESOURCE_IRQ_WAKECAPABLE flag. Drivers should check this flag
before arming an IRQ to wake the system.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI spec defines the SharedAndWake and ExclusiveAndWake share type
keywords. This is an indication that the GPIO IRQ can also be used as a
wake source. This change exposes the wake_capable bit so drivers can
correctly enable wake functionality instead of making an assumption.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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irq soft-masking means that when Linux irqs are disabled, the MSR[EE]
value can change from 1 to 0 asynchronously: if a masked interrupt of
the PACA_IRQ_MUST_HARD_MASK variety fires while irqs are disabled,
the masked handler will return with MSR[EE]=0.
This means a sequence like mtmsr(mfmsr() | MSR_FP) is racy if it can
be called with local irqs disabled, unless a hard_irq_disable has been
done.
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221004051157.308999-2-npiggin@gmail.com
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This new assertion added is generally harmless and gets fixed up
naturally, but it does indicate a problem with MSR manipulation
somewhere.
Fixes: c39fb71a54f0 ("powerpc/64s/interrupt: masked handler debug check for previous hard disable")
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221004051157.308999-1-npiggin@gmail.com
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Perf fuzzer gifted a lockdep splat:
perf_event_init_context()
mutex_lock(parent_ctx->mutex); (B)
inherit_task_group()
inherit_group()
inherit_event()
perf_event_alloc()
perf_try_init_event() := hw_breakpoint_event_init()
register_perf_hw_breakpoint()
mutex_lock(child->perf_event_mutex); (A)
Which is against the normal (documented) order. Now, this is a false
positive in that child is not published yet, but also inherited events
never end up on ->perf_event_list.
Annotate this one away.
Fixes: 0912037fec11 ("perf/hw_breakpoint: Reduce contention with large number of tasks")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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Mark reported that the new for_each_sibling_event() assertion triggers
in pmu_filter_match() -- which isn't always called with IRQs disabled
or ctx->mutex held.
Fixes: f3c0eba28704 ("perf: Add a few assertions")
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YvvJq2f/7eFVcnNy@FVFF77S0Q05N
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I'm a flamin' moron; because even after Mark told me it should be '&&'
I still got it wrong in the final commit.
Fixes: f3c0eba28704 ("perf: Add a few assertions")
Reported-by: Borislav Petkov <bp@alien8.de>
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Borislav Petkov <bp@alien8.de>
Link: https://lkml.kernel.org/r/YvvIWmDBWdIUCMZj@FVFF77S0Q05N
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ARM could have 3 page table level if ARM_LPAE enabled, or only 2 page
table level, let's show the page table level name when dump.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Since commit 7a1be318f579 ("ARM: 9012/1: move device tree mapping out
of linear region"), FDT is placed between the end of the vmalloc region
and the start of the fixmap region, let's show it in dump.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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In case CONFIG_KASAN_VMALLOC=y kasan_populate_vmalloc() allocates the
shadow pages dynamically. But even worse is that kasan_release_vmalloc()
releases them, which is not compatible with create_mapping() of
MODULES_VADDR..MODULES_END range:
BUG: Bad page state in process kworker/9:1 pfn:2068b
page:e5e06160 refcount:0 mapcount:0 mapping:00000000 index:0x0
flags: 0x1000(reserved)
raw: 00001000 e5e06164 e5e06164 00000000 00000000 00000000 ffffffff 00000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
bad because of flags: 0x1000(reserved)
Modules linked in: ip_tables
CPU: 9 PID: 154 Comm: kworker/9:1 Not tainted 5.4.188-... #1
Hardware name: LSI Axxia AXM55XX
Workqueue: events do_free_init
unwind_backtrace
show_stack
dump_stack
bad_page
free_pcp_prepare
free_unref_page
kasan_depopulate_vmalloc_pte
__apply_to_page_range
apply_to_existing_page_range
kasan_release_vmalloc
__purge_vmap_area_lazy
_vm_unmap_aliases.part.0
__vunmap
do_free_init
process_one_work
worker_thread
kthread
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Pointers to virtual memory functions are (void *) but the
__dma_update_pte() function is passing an unsigned long.
Fix this up by explicit cast.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Because an exception stack frame is not created in the exception entry,
save_trace() does special handling for the exception PC, but this is
only needed when CONFIG_FRAME_POINTER_UNWIND=y. When
CONFIG_ARM_UNWIND=y, unwind annotations have been added to the exception
entry and save_trace() will repeatedly save the exception PC:
[0x7f000090] hrtimer_hander+0x8/0x10 [hrtimer]
[0x8019ec50] __hrtimer_run_queues+0x18c/0x394
[0x8019f760] hrtimer_run_queues+0xbc/0xd0
[0x8019def0] update_process_times+0x34/0x80
[0x801ad2a4] tick_periodic+0x48/0xd0
[0x801ad3dc] tick_handle_periodic+0x1c/0x7c
[0x8010f2e0] twd_handler+0x30/0x40
[0x80177620] handle_percpu_devid_irq+0xa0/0x23c
[0x801718d0] generic_handle_domain_irq+0x24/0x34
[0x80502d28] gic_handle_irq+0x74/0x88
[0x8085817c] generic_handle_arch_irq+0x58/0x78
[0x80100ba8] __irq_svc+0x88/0xc8
[0x80108114] arch_cpu_idle+0x38/0x3c
[0x80108114] arch_cpu_idle+0x38/0x3c <==== duplicate saved exception PC
[0x80861bf8] default_idle_call+0x38/0x130
[0x8015d5cc] do_idle+0x150/0x214
[0x8015d978] cpu_startup_entry+0x18/0x1c
[0x808589c0] rest_init+0xd8/0xdc
[0x80c00a44] arch_post_acpi_subsys_init+0x0/0x8
We can move the special handling of the exception PC in save_trace() to
the unwind_frame() of the frame pointer unwinder.
Signed-off-by: Li Huafei <lihuafei1@huawei.com>
Reviewed-by: Linus Waleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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When using the frame pointer unwinder, it was found that the stack trace
output of stack_trace_save() is incomplete if the stack contains
call_with_stack():
[0x7f00002c] dump_stack_task+0x2c/0x90 [hrtimer]
[0x7f0000a0] hrtimer_hander+0x10/0x18 [hrtimer]
[0x801a67f0] __hrtimer_run_queues+0x1b0/0x3b4
[0x801a7350] hrtimer_run_queues+0xc4/0xd8
[0x801a597c] update_process_times+0x3c/0x88
[0x801b5a98] tick_periodic+0x50/0xd8
[0x801b5bf4] tick_handle_periodic+0x24/0x84
[0x8010ffc4] twd_handler+0x38/0x48
[0x8017d220] handle_percpu_devid_irq+0xa8/0x244
[0x80176e9c] generic_handle_domain_irq+0x2c/0x3c
[0x8052e3a8] gic_handle_irq+0x7c/0x90
[0x808ab15c] generic_handle_arch_irq+0x60/0x80
[0x8051191c] call_with_stack+0x1c/0x20
For the frame pointer unwinder, unwind_frame() checks stackframe::fp by
stackframe::sp. Since call_with_stack() switches the SP from one stack
to another, stackframe::fp and stackframe: :sp will point to different
stacks, so we can no longer check stackframe::fp by stackframe::sp. Skip
checking stackframe::fp at this point to avoid this problem.
Signed-off-by: Li Huafei <lihuafei1@huawei.com>
Reviewed-by: Linus Waleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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The previous patch introduced ioread64/iowrite64 declarations, but
this means we no longer get the io-64-nonatomic variant, and
run into a long error when someone actually wants to use these:
ERROR: modpost: "ioread64" [drivers/net/ethernet/freescale/enetc/fsl-enetc.ko] undefined!
Add the (hopefully) correct implementation for each machine type,
based on the 32-bit accessor. Since the 32-bit return type does
not work for ioread64(), change the internal implementation to use
the correct width consistently, but leave the external interface
to match the asm-generic/iomap.h header that uses 32-bit or 64-bit
return values.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Fixes: 7e772dad9913 ("alpha: Use generic <asm-generic/io.h>")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.linaro.org/people/daniel.lezcano/linux into timers/core
Pull clocksource/event updates from Daniel Lezcano:
- Added DT bindings for Mediatek MT8188 (Johnson Wang)
- Added DT bindings for Renesas r8a779f0 (Wolfram Sang)
- Added support for RZ/V2L SoC (Lad Prabhakar)
- Rename TIMER_IRQ_EN to TIMER_IRQ_CLEAR to prevent confusion on sun4i
(Victor Hassan)
- Added support for Exynos ARTPEC-8 MCT, including DT bindings
(Vincent Whitchurch)
- Fixed handling of ARM erratum 858921 on the ARM Arch timer (Kunkun
Jiang)
- Added missing call platform_device_put() in the error path on ther
GXP timer (Lin Yujun)
- Cleaned the timer TI DM driver by self-encapsulating the code,
dropping dead code and simplifying some functions (Tony Lindgren)
- Added a DT property to tell the driver the clock is no longer
divided on recent NXP hardware (Peng Fan)
- Fixed the CNTPCT_LO and CNTVCT_LO values in the ARM arch timer (Yang
Guo)
Link: https://lore.kernel.org/r/b28ac4b0-5745-b3a9-b7e7-cc86dcb1b023@linaro.org
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Combine all queued EDAC changes for submission into v6.1:
* edac-drivers:
EDAC/ie31200: Add Skylake-S support
* edac-misc:
EDAC/i7300: Correct the i7300_exit() function name in comment
x86/sb_edac: Add row column translation for Broadwell
EDAC/i10nm: Print an extra register set of retry_rd_err_log
EDAC/i10nm: Retrieve and print retry_rd_err_log registers for HBM
EDAC/skx_common: Add ChipSelect ADXL component
EDAC/ppc_4xx: Reorder symbols to get rid of a few forward declarations
EDAC: Remove obsolete declarations in edac_module.h
EDAC/i10nm: Add driver decoder for Ice Lake and Tremont CPUs
EDAC/skx_common: Make output format similar
EDAC/skx_common: Use driver decoder first
EDAC/mc: Drop duplicated dimm->nr_pages debug printout
EDAC/mc: Replace spaces with tabs in memtype flags definition
EDAC/wq: Remove unneeded flush_workqueue()
Signed-off-by: Borislav Petkov <bp@suse.de>
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build bot reports missing 'static inline' qualifiers in the header.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 18ff0bcda6d1 ("ethtool: add interface to interact with Ethernet Power Equipment")
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20221004040327.2034878-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert the driver to parent data API. From the Documentation pll8_vote
and pxo should be declared in the DTS so fw_name can be used instead of
parent_names. .name is changed to the legacy pxo_board following how
it's declared in other drivers.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20220914144743.17369-2-ansuelsmth@gmail.com
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Introduce (devm_)hw_register_mux_parent_data_table new API. We have
basic support for clk_register_mux using parent_data but we lack any API
to provide a custom parent_map. Add these 2 new API to correctly handle
these special configuration instead of using the generic
__(devm_)clk_hw_register_mux API.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20220914144743.17369-1-ansuelsmth@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into clk-qcom
Pull Qualcomm clk driver updates from Bjorn Andersson:
This introduces display clock controllers are introduces for SM6115 and
SM8450, and SC8280XP gains a GPU clock controller. MSM8909 and SM6375
gains global and SMD RPM clock controller drivers.
The handling of GDSCs with PWRSTS_RET was fixed, to keep the GDSC on
while powering down the parent supply. This solved retention issues
during suspend of USB on sc7180/7280 and SC8280XP.
SM6115 and QCM2260 are moved to reuse PLL configuration. SDM660 SDCC1
was moved to floor ops.
Support for the APCS PLLs for IPQ8064, IPQ8074 and IPQ6018 was
added/fixed. The MSM8996 CPU clocks was updated, with support for ACD
clocks added.
Support for SDM670 was added to the SDM845 Glbal clock controller and
the RPMh clock controller driver.
Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
num_parents was done for MSM8660, MSM8916, MSM8939, MSM8960 global clock
controllers, IPQ8064 LPASS clock controller and MSM8960 multimedia clock
controller.
Support for per-reset defined delay of was introduced.
* tag 'qcom-clk-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (93 commits)
clk: qcom: gcc-msm8939: use ARRAY_SIZE instead of specifying num_parents
clk: qcom: gcc-msm8939: use parent_hws where possible
dt-bindings: clock: move qcom,gcc-msm8939 to qcom,gcc-msm8916.yaml
clk: qcom: gcc-sm6350: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc8280xp: use retention for USB power domains
clk: qcom: gdsc: add missing error handling
dt-bindings: clocks: qcom,gcc-sc8280xp: Fix typos
clk: qcom: Add global clock controller driver for SM6375
dt-bindings: clock: add SM6375 QCOM global clock bindings
clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit
clk: qcom: gcc-sc7280: Update the .pwrsts for usb gdscs
clk: qcom: gcc-sc7180: Update the .pwrsts for usb gdsc
clk: qcom: gdsc: Fix the handling of PWRSTS_RET support
clk: qcom: Add SC8280XP GPU clock controller
dt-bindings: clock: Add Qualcomm SC8280XP GPU binding
clk: qcom: smd: Add SM6375 clocks
dt-bindings: clock: qcom: rpmcc: Add BIMC_FREQ_LOG
dt-bindings: clock: qcom,rpmcc: Add compatible for SM6375
clk: qcom: rpmhcc: add sdm670 clocks
dt-bindings: clock: add rpmhcc bindings for sdm670
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull STATX_DIOALIGN support from Eric Biggers:
"Make statx() support reporting direct I/O (DIO) alignment information.
This provides a generic interface for userspace programs to determine
whether a file supports DIO, and if so with what alignment
restrictions. Specifically, STATX_DIOALIGN works on block devices, and
on regular files when their containing filesystem has implemented
support.
An interface like this has been requested for years, since the
conditions for when DIO is supported in Linux have gotten increasingly
complex over time. Today, DIO support and alignment requirements can
be affected by various filesystem features such as multi-device
support, data journalling, inline data, encryption, verity,
compression, checkpoint disabling, log-structured mode, etc.
Further complicating things, Linux v6.0 relaxed the traditional rule
of DIO needing to be aligned to the block device's logical block size;
now user buffers (but not file offsets) only need to be aligned to the
DMA alignment.
The approach of uplifting the XFS specific ioctl XFS_IOC_DIOINFO was
discarded in favor of creating a clean new interface with statx().
For more information, see the individual commits and the man page
update[1]"
Link: https://lore.kernel.org/r/20220722074229.148925-1-ebiggers@kernel.org [1]
* tag 'statx-dioalign-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
xfs: support STATX_DIOALIGN
f2fs: support STATX_DIOALIGN
f2fs: simplify f2fs_force_buffered_io()
f2fs: move f2fs_force_buffered_io() into file.c
ext4: support STATX_DIOALIGN
fscrypt: change fscrypt_dio_supported() to prepare for STATX_DIOALIGN
vfs: support STATX_DIOALIGN on block devices
statx: add direct I/O alignment information
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git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity updates from Eric Biggers:
"Minor changes to convert uses of kmap() to kmap_local_page()"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: use kmap_local_page() instead of kmap()
fs-verity: use memcpy_from_page()
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Pull fscrypt updates from Eric Biggers:
"This release contains some implementation changes, but no new
features:
- Rework the implementation of the fscrypt filesystem-level keyring
to not be as tightly coupled to the keyrings subsystem. This
resolves several issues.
- Eliminate most direct uses of struct request_queue from fs/crypto/,
since struct request_queue is considered to be a block layer
implementation detail.
- Stop using the PG_error flag to track decryption failures. This is
a prerequisite for freeing up PG_error for other uses"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: work on block_devices instead of request_queues
fscrypt: stop holding extra request_queue references
fscrypt: stop using keyrings subsystem for fscrypt_master_key
fscrypt: stop using PG_error to track error status
fscrypt: remove fscrypt_set_test_dummy_encryption()
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