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2020-10-02Merge branches 'for-next/acpi', 'for-next/boot', 'for-next/bpf', 'for-next/cpuinfo', 'for-next/fpsimd', 'for-next/misc', 'for-next/mm', 'for-next/pci', 'for-next/perf', 'for-next/ptrauth', 'for-next/sdei', 'for-next/selftests', 'for-next/stacktrace', 'for-next/svm', 'for-next/topology', ↵Will Deacon12-223/+2002
'for-next/tpyos' and 'for-next/vdso' into for-next/core Remove unused functions and parameters from ACPI IORT code. (Zenghui Yu via Lorenzo Pieralisi) * for-next/acpi: ACPI/IORT: Remove the unused inline functions ACPI/IORT: Drop the unused @ops of iort_add_device_replay() Remove redundant code and fix documentation of caching behaviour for the HVC_SOFT_RESTART hypercall. (Pingfan Liu) * for-next/boot: Documentation/kvm/arm: improve description of HVC_SOFT_RESTART arm64/relocate_kernel: remove redundant code Improve reporting of unexpected kernel traps due to BPF JIT failure. (Will Deacon) * for-next/bpf: arm64: Improve diagnostics when trapping BRK with FAULT_BRK_IMM Improve robustness of user-visible HWCAP strings and their corresponding numerical constants. (Anshuman Khandual) * for-next/cpuinfo: arm64/cpuinfo: Define HWCAP name arrays per their actual bit definitions Cleanups to handling of SVE and FPSIMD register state in preparation for potential future optimisation of handling across syscalls. (Julien Grall) * for-next/fpsimd: arm64/sve: Implement a helper to load SVE registers from FPSIMD state arm64/sve: Implement a helper to flush SVE registers arm64/fpsimdmacros: Allow the macro "for" to be used in more cases arm64/fpsimdmacros: Introduce a macro to update ZCR_EL1.LEN arm64/signal: Update the comment in preserve_sve_context arm64/fpsimd: Update documentation of do_sve_acc Miscellaneous changes. (Tian Tao and others) * for-next/misc: arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE arm64: mm: Fix missing-prototypes in pageattr.c arm64/fpsimd: Fix missing-prototypes in fpsimd.c arm64: hibernate: Remove unused including <linux/version.h> arm64/mm: Refactor {pgd, pud, pmd, pte}_ERROR() arm64: Remove the unused include statements arm64: get rid of TEXT_OFFSET arm64: traps: Add str of description to panic() in die() Memory management updates and cleanups. (Anshuman Khandual and others) * for-next/mm: arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD arm64: mm: Make flush_tlb_fix_spurious_fault() a no-op arm64/mm: Unify CONT_PMD_SHIFT arm64/mm: Unify CONT_PTE_SHIFT arm64/mm: Remove CONT_RANGE_OFFSET arm64/mm: Enable THP migration arm64/mm: Change THP helpers to comply with generic MM semantics arm64/mm/ptdump: Add address markers for BPF regions Allow prefetchable PCI BARs to be exposed to userspace using normal non-cacheable mappings. (Clint Sbisa) * for-next/pci: arm64: Enable PCI write-combine resources under sysfs Perf/PMU driver updates. (Julien Thierry and others) * for-next/perf: perf: arm-cmn: Fix conversion specifiers for node type perf: arm-cmn: Fix unsigned comparison to less than zero arm_pmu: arm64: Use NMIs for PMU arm_pmu: Introduce pmu_irq_ops KVM: arm64: pmu: Make overflow handler NMI safe arm64: perf: Defer irq_work to IPI_IRQ_WORK arm64: perf: Remove PMU locking arm64: perf: Avoid PMXEV* indirection arm64: perf: Add missing ISB in armv8pmu_enable_counter() perf: Add Arm CMN-600 PMU driver perf: Add Arm CMN-600 DT binding arm64: perf: Add support caps under sysfs drivers/perf: thunderx2_pmu: Fix memory resource error handling drivers/perf: xgene_pmu: Fix uninitialized resource struct perf: arm_dsu: Support DSU ACPI devices arm64: perf: Remove unnecessary event_idx check drivers/perf: hisi: Add missing include of linux/module.h arm64: perf: Add general hardware LLC events for PMUv3 Support for the Armv8.3 Pointer Authentication enhancements. (By Amit Daniel Kachhap) * for-next/ptrauth: arm64: kprobe: clarify the comment of steppable hint instructions arm64: kprobe: disable probe of fault prone ptrauth instruction arm64: cpufeature: Modify address authentication cpufeature to exact arm64: ptrauth: Introduce Armv8.3 pointer authentication enhancements arm64: traps: Allow force_signal_inject to pass esr error code arm64: kprobe: add checks for ARMv8.3-PAuth combined instructions Tonnes of cleanup to the SDEI driver. (Gavin Shan) * for-next/sdei: firmware: arm_sdei: Remove _sdei_event_unregister() firmware: arm_sdei: Remove _sdei_event_register() firmware: arm_sdei: Introduce sdei_do_local_call() firmware: arm_sdei: Cleanup on cross call function firmware: arm_sdei: Remove while loop in sdei_event_unregister() firmware: arm_sdei: Remove while loop in sdei_event_register() firmware: arm_sdei: Remove redundant error message in sdei_probe() firmware: arm_sdei: Remove duplicate check in sdei_get_conduit() firmware: arm_sdei: Unregister driver on error in sdei_init() firmware: arm_sdei: Avoid nested statements in sdei_init() firmware: arm_sdei: Retrieve event number from event instance firmware: arm_sdei: Common block for failing path in sdei_event_create() firmware: arm_sdei: Remove sdei_is_err() Selftests for Pointer Authentication and FPSIMD/SVE context-switching. (Mark Brown and Boyan Karatotev) * for-next/selftests: selftests: arm64: Add build and documentation for FP tests selftests: arm64: Add wrapper scripts for stress tests selftests: arm64: Add utility to set SVE vector lengths selftests: arm64: Add stress tests for FPSMID and SVE context switching selftests: arm64: Add test for the SVE ptrace interface selftests: arm64: Test case for enumeration of SVE vector lengths kselftests/arm64: add PAuth tests for single threaded consistency and differently initialized keys kselftests/arm64: add PAuth test for whether exec() changes keys kselftests/arm64: add nop checks for PAuth tests kselftests/arm64: add a basic Pointer Authentication test Implementation of ARCH_STACKWALK for unwinding. (Mark Brown) * for-next/stacktrace: arm64: Move console stack display code to stacktrace.c arm64: stacktrace: Convert to ARCH_STACKWALK arm64: stacktrace: Make stack walk callback consistent with generic code stacktrace: Remove reliable argument from arch_stack_walk() callback Support for ASID pinning, which is required when sharing page-tables with the SMMU. (Jean-Philippe Brucker) * for-next/svm: arm64: cpufeature: Export symbol read_sanitised_ftr_reg() arm64: mm: Pin down ASIDs for sharing mm with devices Rely on firmware tables for establishing CPU topology. (Valentin Schneider) * for-next/topology: arm64: topology: Stop using MPIDR for topology information Spelling fixes. (Xiaoming Ni and Yanfei Xu) * for-next/tpyos: arm64/numa: Fix a typo in comment of arm64_numa_init arm64: fix some spelling mistakes in the comments by codespell vDSO cleanups. (Will Deacon) * for-next/vdso: arm64: vdso: Fix unusual formatting in *setup_additional_pages() arm64: vdso32: Remove a bunch of #ifdef CONFIG_COMPAT_VDSO guards
2020-10-01perf: arm-cmn: Fix conversion specifiers for node typeWill Deacon1-2/+2
The node type field is an enum type, so print it as a 32-bit quantity rather than as an unsigned short. Link: https://lore.kernel.org/r/202009302350.QIzfkx62-lkp@intel.com Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Will Deacon <will@kernel.org>
2020-10-01perf: arm-cmn: Fix unsigned comparison to less than zeroWill Deacon1-1/+1
Ensure that the 'irq' field of 'struct arm_cmn_dtc' is a signed int so that it can be compared '< 0'. Link: https://lore.kernel.org/r/20200929170835.GA15956@embeddedor Addresses-Coverity-ID: 1497488 ("Unsigned compared against 0") Fixes: 0ba64770a2f2 ("perf: Add Arm CMN-600 PMU driver") Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove _sdei_event_unregister()Gavin Shan1-12/+6
_sdei_event_unregister() is called by sdei_event_unregister() and sdei_device_freeze(). _sdei_event_unregister() covers the shared and private events, but sdei_device_freeze() only covers the shared events. So the logic to cover the private events isn't needed by sdei_device_freeze(). sdei_event_unregister sdei_device_freeze _sdei_event_unregister sdei_unregister_shared _sdei_event_unregister This removes _sdei_event_unregister(). Its logic is moved to its callers accordingly. This shouldn't cause any logical changes. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-14-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove _sdei_event_register()Gavin Shan1-49/+28
The function _sdei_event_register() is called by sdei_event_register() and sdei_device_thaw() as the following functional call chain shows. _sdei_event_register() covers the shared and private events, but sdei_device_thaw() only covers the shared events. So the logic to cover the private events in _sdei_event_register() isn't needed by sdei_device_thaw(). Similarly, sdei_reregister_event_llocked() covers the shared and private events in the regard of reenablement. The logic to cover the private events isn't needed by sdei_device_thaw() either. sdei_event_register sdei_device_thaw _sdei_event_register sdei_reregister_shared sdei_reregister_event_llocked _sdei_event_register This removes _sdei_event_register() and sdei_reregister_event_llocked(). Their logic is moved to sdei_event_register() and sdei_reregister_shared(). This shouldn't cause any logical changes. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-13-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Introduce sdei_do_local_call()Gavin Shan1-16/+25
During the CPU hotplug, the private events are registered, enabled or unregistered on the specific CPU. It repeats the same steps: initializing cross call argument, make function call on local CPU, check the returned error. This introduces sdei_do_local_call() to cover the first steps. The other benefit is to make CROSSCALL_INIT and struct sdei_crosscall_args are only visible to sdei_do_{cross, local}_call(). Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-12-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Cleanup on cross call functionGavin Shan1-4/+8
This applies cleanup on the cross call functions, no functional changes are introduced: * Wrap the code block of CROSSCALL_INIT inside "do { } while (0)" as linux kernel usually does. Otherwise, scripts/checkpatch.pl reports warning regarding this. * Use smp_call_func_t for @fn argument in sdei_do_cross_call() as the function is called on target CPU(s). * Remove unnecessary space before @event in sdei_do_cross_call() Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-11-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove while loop in sdei_event_unregister()Gavin Shan1-15/+14
This removes the unnecessary while loop in sdei_event_unregister() because of the following two reasons. This shouldn't cause any functional changes. * The while loop is executed for once, meaning it's not needed in theory. * With the while loop removed, the nested statements can be avoid to make the code a bit cleaner. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20200922130423.10173-10-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove while loop in sdei_event_register()Gavin Shan1-27/+25
This removes the unnecessary while loop in sdei_event_register() because of the following two reasons. This shouldn't cause any functional changes. * The while loop is executed for once, meaning it's not needed in theory. * With the while loop removed, the nested statements can be avoid to make the code a bit cleaner. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20200922130423.10173-9-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove redundant error message in sdei_probe()Gavin Shan1-2/+0
This removes the redundant error message in sdei_probe() because the case can be identified from the errno in next error message. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-8-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove duplicate check in sdei_get_conduit()Gavin Shan1-1/+1
The following two checks are duplicate because @acpi_disabled doesn't depend on CONFIG_ACPI. So the duplicate check (IS_ENABLED(CONFIG_ACPI)) can be dropped. More details is provided to keep the commit log complete: * @acpi_disabled is defined in arch/arm64/kernel/acpi.c when CONFIG_ACPI is enabled. * @acpi_disabled in defined in include/acpi.h when CONFIG_ACPI is disabled. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-7-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Unregister driver on error in sdei_init()Gavin Shan1-3/+6
The SDEI platform device is created from device-tree node or ACPI (SDEI) table. For the later case, the platform device is created explicitly by this module. It'd better to unregister the driver on failure to create the device to keep the symmetry. The driver, owned by this module, isn't needed if the device isn't existing. Besides, the errno (@ret) should be updated accordingly in this case. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-6-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Avoid nested statements in sdei_init()Gavin Shan1-9/+10
In sdei_init(), the nested statements can be avoided by bailing on error from platform_driver_register() or absent ACPI SDEI table. With it, the code looks a bit more readable. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-5-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Retrieve event number from event instanceGavin Shan1-1/+1
In sdei_event_create(), the event number is retrieved from the variable @event_num for the shared event. The event number was stored in the event instance. So we can fetch it from the event instance, similar to what we're doing for the private event. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-4-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Common block for failing path in sdei_event_create()Gavin Shan1-14/+16
There are multiple calls of kfree(event) in the failing path of sdei_event_create() to free the SDEI event. It means we need to call it again when adding more code in the failing path. It's prone to miss doing that and introduce memory leakage. This introduces common block for failing path in sdei_event_create() to resolve the issue. This shouldn't cause functional changes. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200922130423.10173-3-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28firmware: arm_sdei: Remove sdei_is_err()Gavin Shan1-23/+3
sdei_is_err() is only called by sdei_to_linux_errno(). The logic of checking on the error number is common to them. They can be combined finely. This removes sdei_is_err() and its logic is combined to the function sdei_to_linux_errno(). Also, the assignment of @err to zero is also dropped in invoke_sdei_fn() because it's always overridden afterwards. This shouldn't cause functional changes. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: James Morse <james.morse@arm.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20200922130423.10173-2-gshan@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28arm_pmu: arm64: Use NMIs for PMUJulien Thierry1-7/+62
Add required PMU interrupt operations for NMIs. Request interrupt lines as NMIs when possible, otherwise fall back to normal interrupts. NMIs are only supported on the arm64 architecture with a GICv3 irqchip. [Alexandru E.: Added that NMIs only work on arm64 + GICv3, print message when PMU is using NMIs] Signed-off-by: Julien Thierry <julien.thierry@arm.com> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com> Tested-by: Sumit Garg <sumit.garg@linaro.org> (Developerbox) Cc: Julien Thierry <julien.thierry.kdev@gmail.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20200924110706.254996-8-alexandru.elisei@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28arm_pmu: Introduce pmu_irq_opsJulien Thierry1-16/+74
Currently the PMU interrupt can either be a normal irq or a percpu irq. Supporting NMI will introduce two cases for each existing one. It becomes a mess of 'if's when managing the interrupt. Define sets of callbacks for operations commonly done on the interrupt. The appropriate set of callbacks is selected at interrupt request time and simplifies interrupt enabling/disabling and freeing. Signed-off-by: Julien Thierry <julien.thierry@arm.com> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com> Tested-by: Sumit Garg <sumit.garg@linaro.org> (Developerbox) Cc: Julien Thierry <julien.thierry.kdev@gmail.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20200924110706.254996-7-alexandru.elisei@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-28perf: Add Arm CMN-600 PMU driverRobin Murphy3-0/+1649
Initial driver for PMU event counting on the Arm CMN-600 interconnect. CMN sports an obnoxiously complex distributed PMU system as part of its debug and trace features, which can do all manner of things like sampling, cross-triggering and generating CoreSight trace. This driver covers the PMU functionality, plus the relevant aspects of watchpoints for simply counting matching flits. Tested-by: Tsahi Zidenberg <tsahee@amazon.com> Tested-by: Tuan Phan <tuanphan@os.amperecomputing.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
2020-09-18drivers/perf: thunderx2_pmu: Fix memory resource error handlingMark Salter1-2/+5
In tx2_uncore_pmu_init_dev(), a call to acpi_dev_get_resources() is used to create a list _CRS resources which is searched for the device base address. There is an error check following this: if (!rentry->res) return NULL In no case, will rentry->res be NULL, so the test is useless. Even if the test worked, it comes before the resource list memory is freed. None of this really matters as long as the ACPI table has the memory resource. Let's clean it up so that it makes sense and will give a meaningful error should firmware leave out the memory resource. Fixes: 69c32972d593 ("drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver") Signed-off-by: Mark Salter <msalter@redhat.com> Link: https://lore.kernel.org/r/20200915204110.326138-2-msalter@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-18drivers/perf: xgene_pmu: Fix uninitialized resource structMark Salter1-15/+17
This splat was reported on newer Fedora kernels booting on certain X-gene based machines: xgene-pmu APMC0D83:00: X-Gene PMU version 3 Unable to handle kernel read from unreadable memory at virtual \ address 0000000000004006 ... Call trace: string+0x50/0x100 vsnprintf+0x160/0x750 devm_kvasprintf+0x5c/0xb4 devm_kasprintf+0x54/0x60 __devm_ioremap_resource+0xdc/0x1a0 devm_ioremap_resource+0x14/0x20 acpi_get_pmu_hw_inf.isra.0+0x84/0x15c acpi_pmu_dev_add+0xbc/0x21c acpi_ns_walk_namespace+0x16c/0x1e4 acpi_walk_namespace+0xb4/0xfc xgene_pmu_probe_pmu_dev+0x7c/0xe0 xgene_pmu_probe.part.0+0x2c0/0x310 xgene_pmu_probe+0x54/0x64 platform_drv_probe+0x60/0xb4 really_probe+0xe8/0x4a0 driver_probe_device+0xe4/0x100 device_driver_attach+0xcc/0xd4 __driver_attach+0xb0/0x17c bus_for_each_dev+0x6c/0xb0 driver_attach+0x30/0x40 bus_add_driver+0x154/0x250 driver_register+0x84/0x140 __platform_driver_register+0x54/0x60 xgene_pmu_driver_init+0x28/0x34 do_one_initcall+0x40/0x204 do_initcalls+0x104/0x144 kernel_init_freeable+0x198/0x210 kernel_init+0x20/0x12c ret_from_fork+0x10/0x18 Code: 91000400 110004e1 eb08009f 540000c0 (38646846) ---[ end trace f08c10566496a703 ]--- This is due to use of an uninitialized local resource struct in the xgene pmu driver. The thunderx2_pmu driver avoids this by using the resource list constructed by acpi_dev_get_resources() rather than using a callback from that function. The callback in the xgene driver didn't fully initialize the resource. So get rid of the callback and search the resource list as done by thunderx2. Fixes: 832c927d119b ("perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver") Signed-off-by: Mark Salter <msalter@redhat.com> Link: https://lore.kernel.org/r/20200915204110.326138-1-msalter@redhat.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-15perf: arm_dsu: Support DSU ACPI devicesTuan Phan1-6/+57
Add support for probing device from ACPI node. Each DSU ACPI node and its associated cpus are inside a cluster node. Signed-off-by: Tuan Phan <tuanphan@os.amperecomputing.com> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/1600106656-9542-1-git-send-email-tuanphan@os.amperecomputing.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-07arm64: get rid of TEXT_OFFSETArd Biesheuvel2-4/+3
TEXT_OFFSET serves no purpose, and for this reason, it was redefined as 0x0 in the v5.8 timeframe. Since this does not appear to have caused any issues that require us to revisit that decision, let's get rid of the macro entirely, along with any references to it. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20200825135440.11288-1-ardb@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
2020-09-07ACPI/IORT: Remove the unused inline functionsZenghui Yu1-4/+0
Since commit 8212688600ed ("ACPI/IORT: Fix build error when IOMMU_SUPPORT is disabled"), iort_fwspec_iommu_ops() and iort_add_device_replay() are not needed anymore when CONFIG_IOMMU_API is not selected. Let's remove them. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Hanjun Guo <guohanjun@huawei.com> Link: https://lore.kernel.org/r/20200818063625.980-3-yuzenghui@huawei.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-07ACPI/IORT: Drop the unused @ops of iort_add_device_replay()Zenghui Yu1-5/+3
Since commit d2e1a003af56 ("ACPI/IORT: Don't call iommu_ops->add_device directly"), we use the IOMMU core API to replace a direct invoke of the specified callback. The parameter @ops has therefore became unused. Let's drop it. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Hanjun Guo <guohanjun@huawei.com> Link: https://lore.kernel.org/r/20200818063625.980-2-yuzenghui@huawei.com Signed-off-by: Will Deacon <will@kernel.org>
2020-09-07drivers/perf: hisi: Add missing include of linux/module.hShaokun Zhang1-0/+1
MODULE_*** is used in HiSilicon uncore PMU drivers and is provided by linux/module.h, but the header file is not directly included. Add the missing include. Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/1599186097-18599-1-git-send-email-zhangshaokun@hisilicon.com Signed-off-by: Will Deacon <will@kernel.org>
2020-08-30Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds3-10/+9
Pull crypto fixes from Herbert Xu: - fix regression in af_alg that affects iwd - restore polling delay in qat - fix double free in ingenic on error path - fix potential build failure in sa2ul due to missing Kconfig dependency * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: af_alg - Work around empty control messages without MSG_MORE crypto: sa2ul - add Kconfig selects to fix build error crypto: ingenic - Drop kfree for memory allocated with devm_kzalloc crypto: qat - add delay before polling mailbox
2020-08-30Merge tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds10-180/+258
Pull irq fixes from Thomas Gleixner: "A set of fixes for interrupt chip drivers: - Revert the platform driver conversion of interrupt chip drivers as it turned out to create more problems than it solves. - Fix a trivial typo in the new module helpers which made probing reliably fail. - Small fixes in the STM32 and MIPS Ingenic drivers - The TI firmware rework which had badly managed dependencies and had to wait post rc1" * tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/ingenic: Leave parent IRQ unmasked on suspend irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake irqchip: Revert modular support for drivers using IRQCHIP_PLATFORM_DRIVER helperse irqchip: Fix probing deferal when using IRQCHIP_PLATFORM_DRIVER helpers arm64: dts: k3-am65: Update the RM resource types arm64: dts: k3-am65: ti-sci-inta/intr: Update to latest bindings arm64: dts: k3-j721e: ti-sci-inta/intr: Update to latest bindings irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC irqchip/ti-sci-inta: Do not store TISCI device id in platform device id field dt-bindings: irqchip: Convert ti, sci-inta bindings to yaml dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent. irqchip/ti-sci-intr: Add support for INTR being a parent to INTR dt-bindings: irqchip: Convert ti, sci-intr bindings to yaml dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent firmware: ti_sci: Add support for getting resource with subtype firmware: ti_sci: Drop unused structure ti_sci_rm_type_map firmware: ti_sci: Drop the device id to resource type translation
2020-08-30Merge tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds2-21/+14
Pull locking fixes from Thomas Gleixner: "A set of fixes for lockdep, tracing and RCU: - Prevent recursion by using raw_cpu_* operations - Fixup the interrupt state in the cpu idle code to be consistent - Push rcu_idle_enter/exit() invocations deeper into the idle path so that the lock operations are inside the RCU watching sections - Move trace_cpu_idle() into generic code so it's called before RCU goes idle. - Handle raw_local_irq* vs. local_irq* operations correctly - Move the tracepoints out from under the lockdep recursion handling which turned out to be fragile and inconsistent" * tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep,trace: Expose tracepoints lockdep: Only trace IRQ edges mips: Implement arch_irqs_disabled() arm64: Implement arch_irqs_disabled() nds32: Implement arch_irqs_disabled() locking/lockdep: Cleanup x86/entry: Remove unused THUNKs cpuidle: Move trace_cpu_idle() into generic code cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic sched,idle,rcu: Push rcu_idle deeper into the idle path cpuidle: Fixup IRQ state lockdep: Use raw_cpu_*() for per-cpu variables
2020-08-30Merge tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds1-0/+2
Pull powerpc fixes from Michael Ellerman: - Revert our removal of PROT_SAO, at least one user expressed an interest in using it on Power9. Instead don't allow it to be used in guests unless enabled explicitly at compile time. - A fix for a crash introduced by a recent change to FP handling. - Revert a change to our idle code that left Power10 with no idle support. - One minor fix for the new scv system call path to set PPR. - Fix a crash in our "generic" PMU if branch stack events were enabled. - A fix for the IMC PMU, to correctly identify host kernel samples. - The ADB_PMU powermac code was found to be incompatible with VMAP_STACK, so make them incompatible in Kconfig until the code can be fixed. - A build fix in drivers/video/fbdev/controlfb.c, and a documentation fix. Thanks to Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy, Giuseppe Sacco, Madhavan Srinivasan, Milton Miller, Nicholas Piggin, Pratik Rajesh Sampat, Randy Dunlap, Shawn Anastasio, Vaidyanathan Srinivasan. * tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check" powerpc/perf: Fix reading of MSR[HV/PR] bits in trace-imc powerpc/perf: Fix crashes with generic_compat_pmu & BHRB powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode powerpc/64s: scv entry should set PPR Documentation/powerpc: fix malformed table in syscall64-abi video: fbdev: controlfb: Fix build for COMPILE_TEST=y && PPC_PMAC=n selftests/powerpc: Update PROT_SAO test to skip ISA 3.1 powerpc/64s: Disallow PROT_SAO in LPARs by default Revert "powerpc/64s: Remove PROT_SAO support"
2020-08-30Merge tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds24-161/+376
Pull USB fixes from Greg KH: "Let's try this again... Here are some USB fixes for 5.9-rc3. This differs from the previous pull request for this release in that the usb gadget patch now does not break some systems, and actually does what it was intended to do. Many thanks to Marek Szyprowski for quickly noticing and testing the patch from Andy Shevchenko to resolve this issue. Additionally, some more new USB quirks have been added to get some new devices to work properly based on user reports. Other than that, the patches are all here, and they contain: - usb gadget driver fixes - xhci driver fixes - typec fixes - new quirks and ids - fixes for USB patches that went into 5.9-rc1. All of these have been tested in linux-next with no reported issues" * tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits) usb: storage: Add unusual_uas entry for Sony PSZ drives USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe() USB: gadget: u_f: Unbreak offset calculation in VLAs USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D usb: typec: tcpm: Fix Fix source hard reset response for TDA 2.3.1.1 and TDA 2.3.1.2 failures USB: PHY: JZ4770: Fix static checker warning. USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb() USB: gadget: u_f: add overflow checks to VLA macros xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed xhci: Do warm-reset when both CAS and XDEV_RESUME are set usb: host: xhci: fix ep context print mismatch in debugfs usb: uas: Add quirk for PNY Pro Elite tools: usb: move to tools buildsystem USB: Fix device driver race USB: Also match device drivers using the ->match vfunc usb: host: xhci-tegra: fix tegra_xusb_get_phy() usb: host: xhci-tegra: otg usb2/usb3 port init usb: hcd: Fix use after free in usb_hcd_pci_remove() usb: typec: ucsi: Hold con->lock for the entire duration of ucsi_register_port() ...
2020-08-30Merge tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/rasLinus Torvalds1-4/+6
Pull EDAC fix from Borislav Petkov: "A fix to properly clear ghes_edac driver state on driver remove so that a subsequent load can probe the system properly (Shiju Jose)" * tag 'edac_urgent_for_v5.9_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/ghes: Fix NULL pointer dereference in ghes_edac_register()
2020-08-29Merge tag 'fallthrough-fixes-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linuxLinus Torvalds2-6/+7
Pull fallthrough fixes from Gustavo A. R. Silva: "Fix some minor issues introduced by the recent treewide fallthrough conversions: - Fix identation issue - Fix erroneous fallthrough annotation - Remove unnecessary fallthrough annotation - Fix code comment changed by fallthrough conversion" * tag 'fallthrough-fixes-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: arm64/cpuinfo: Remove unnecessary fallthrough annotation media: dib0700: Fix identation issue in dib8096_set_param_override() afs: Remove erroneous fallthough annotation iio: dpot-dac: fix code comment in dpot_dac_read_raw()
2020-08-29fsldma: fix very broken 32-bit ppc ioread64 functionalityLinus Torvalds1-6/+6
Commit ef91bb196b0d ("kernel.h: Silence sparse warning in lower_32_bits") caused new warnings to show in the fsldma driver, but that commit was not to blame: it only exposed some very incorrect code that tried to take the low 32 bits of an address. That made no sense for multiple reasons, the most notable one being that that code was intentionally limited to only 32-bit ppc builds, so "only low 32 bits of an address" was completely nonsensical. There were no high bits to mask off to begin with. But even more importantly fropm a correctness standpoint, turning the address into an integer then caused the subsequent address arithmetic to be completely wrong too, and the "+1" actually incremented the address by one, rather than by four. Which again was incorrect, since the code was reading two 32-bit values and trying to make a 64-bit end result of it all. Surprisingly, the iowrite64() did not suffer from the same odd and incorrect model. This code has never worked, but it's questionable whether anybody cared: of the two users that actually read the 64-bit value (by way of some C preprocessor hackery and eventually the 'get_cdar()' inline function), one of them explicitly ignored the value, and the other one might just happen to work despite the incorrect value being read. This patch at least makes it not fail the build any more, and makes the logic superficially sane. Whether it makes any difference to the code _working_ or not shall remain a mystery. Compile-tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-29Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds5-22/+4
Pull i2c fixes from Wolfram Sang: "A core fix for ACPI matching and two driver bugfixes" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: iproc: Fix shifting 31 bits i2c: rcar: in slave mode, clear NACK earlier i2c: acpi: Remove dead code, i.e. i2c_acpi_match_device() i2c: core: Don't fail PRP0001 enumeration when no ID table exist
2020-08-29Merge tag 'for-linus-5.9-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds2-10/+16
Pull xen fixes from Juergen Gross: "Two fixes for Xen: one needed for ongoing work to support virtio with Xen, and one for a corner case in IRQ handling with Xen" * tag 'for-linus-5.9-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: arm/xen: Add misuse warning to virt_to_gfn xen/xenbus: Fix granting of vmalloc'd memory XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.
2020-08-29Merge tag 'hwmon-for-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds4-18/+25
Pull hwmon fixes from Guenter Roeck: - Fix tempeerature scale in gsc-hwmon driver - Fix divide by 0 error in nct7904 driver - Drop non-existing attribute from pmbus/isl68137 driver - Fix status check in applesmc driver * tag 'hwmon-for-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (gsc-hwmon) Scale temperature to millidegrees hwmon: (applesmc) check status earlier. hwmon: (nct7904) Correct divide by 0 hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_1 telemetry for RAA228228
2020-08-28Merge tag 'block-5.9-2020-08-28' of git://git.kernel.dk/linux-blockLinus Torvalds3-4/+9
Pull block fixes from Jens Axboe: - nbd timeout fix (Hou) - device size fix for loop LOOP_CONFIGURE (Martijn) - MD pull from Song with raid5 stripe size fix (Yufen) * tag 'block-5.9-2020-08-28' of git://git.kernel.dk/linux-block: md/raid5: make sure stripe_size as power of two loop: Set correct device size when using LOOP_CONFIGURE nbd: restore default timeout when setting it to zero
2020-08-28Merge tag 'devprop-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds1-4/+8
Pull device properties framework fix from Rafael Wysocki: "Prevent the promotion of the secondary firmware node of a device to the primary one from leaking a pointer (Heikki Krogerus)" * tag 'devprop-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: device property: Fix the secondary firmware node handling in set_primary_fwnode()
2020-08-28Merge tag 'acpi-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds2-6/+21
Pull ACPI fixes from Rafael Wysocki: "These fix two recent issues in the ACPI memory mappings management code and tighten up error handling in the ACPI driver for AMD SoCs (APD). Specifics: - Avoid redundant rounding to the page size in acpi_os_map_iomem() to address a recently introduced issue with the EFI memory map permission check on ARM64 (Ard Biesheuvel). - Fix acpi_release_memory() to wait until the memory mappings released by it have been really unmapped (Rafael Wysocki). - Make the ACPI driver for AMD SoCs (APD) check the return value of acpi_dev_get_property() to avoid failures in the cases when the device property under inspection is missing (Furquan Shaikh)" * tag 'acpi-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: OSL: Prevent acpi_release_memory() from returning too early ACPI: ioremap: avoid redundant rounding to OS page size ACPI: SoC: APD: Check return value of acpi_dev_get_property()
2020-08-28Merge tag 'pm-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds3-11/+18
Pull power management fixes from Rafael Wysocki: "These fix the recently added Tegra194 cpufreq driver and the handling of devices using runtime PM during system-wide suspend, improve the intel_pstate driver documentation and clean up the cpufreq core. Specifics: - Make the recently added Tegra194 cpufreq driver use read_cpuid_mpir() instead of cpu_logical_map() to avoid exporting logical_cpu_map (Sumit Gupta). - Drop the automatic system wakeup event reporting for devices with pending runtime-resume requests during system-wide suspend to avoid spurious aborts of the suspend flow (Rafael Wysocki). - Fix build warning in the intel_pstate driver documentation and improve the wording in there (Randy Dunlap). - Clean up two pieces of code in the cpufreq core (Viresh Kumar)" * tag 'pm-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: Use WARN_ON_ONCE() for invalid relation cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq() PM: sleep: core: Fix the handling of pending runtime resume requests Documentation: fix pm/intel_pstate build warning and wording cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
2020-08-28Merge branch 'acpi-mm'Rafael J. Wysocki1-4/+19
* acpi-mm: ACPI: OSL: Prevent acpi_release_memory() from returning too early ACPI: ioremap: avoid redundant rounding to OS page size
2020-08-28Merge branch 'pm-cpufreq'Rafael J. Wysocki2-5/+8
* pm-cpufreq: cpufreq: Use WARN_ON_ONCE() for invalid relation cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq() Documentation: fix pm/intel_pstate build warning and wording cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
2020-08-28Merge tag 'mfd-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfdLinus Torvalds1-6/+6
Pull MFD fixes from Lee Jones: - fix double free - handle devicetree disabled devices gracefully * tag 'mfd-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: mfd: mfd-core: Ensure disabled devices are ignored without error mfd: core: Fix double-free in mfd_remove_devices_fn()
2020-08-28Merge tag 'drm-fixes-2020-08-28' of git://anongit.freedesktop.org/drm/drmLinus Torvalds42-166/+302
Pull drm fixes from Dave Airlie: "As expected a bit of an rc3 uptick, amdgpu and msm are the main ones, one msm patch was from the merge window, but had dependencies and we dropped it until the other tree had landed. Otherwise it's a couple of fixes for core, and etnaviv, and single i915, exynos, omap fixes. I'm still tracking the Sandybridge gpu relocations issue, if we don't see much movement I might just queue up the reverts. I'll talk to Daniel next week once he's back from holidays. core: - Take modeset bkl for legacy drivers dp_mst: - Allow null crtc in dp_mst i915: - Fix command parser desc matching with masks amdgpu: - Misc display fixes - Backlight fixes - MPO fix for DCN1 - Fixes for Sienna Cichlid - Fixes for Navy Flounder - Vega SW CTF fixes - SMU fix for Raven - Fix a possible overflow in INFO ioctl - Gfx10 clockgating fix msm: - opp/bw scaling patch followup - frequency restoring fux - vblank in atomic commit fix - dpu modesetting fixes - fencing fix etnaviv: - scheduler interaction fix - gpu init regression fix exynos: - Just drop __iommu annotation to fix sparse warning omap: - locking state fix" * tag 'drm-fixes-2020-08-28' of git://anongit.freedesktop.org/drm/drm: (41 commits) drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init drm/amdgpu: disable runtime pm for navy_flounder drm/amd/display: Retry AUX write when fail occurs drm/amdgpu: Fix buffer overflow in INFO ioctl drm/amd/powerplay: Fix hardmins not being sent to SMU for RV drm/amdgpu: use MODE1 reset for navy_flounder by default drm/amd/pm: correct the thermal alert temperature limit settings drm/amdgpu: add asd fw check before loading asd drm/amd/display: Keep current gain when ABM disable immediately drm/amd/display: Fix passive dongle mistaken as active dongle in EDID emulation drm/amd/display: Revert HDCP disable sequence change drm/amd/display: Send DISPLAY_OFF after power down on boot drm/amdgpu/gfx10: refine mgcg setting drm/amd/pm: correct Vega20 swctf limit setting drm/amd/pm: correct Vega12 swctf limit setting drm/amd/pm: correct Vega10 swctf limit setting drm/amd/pm: set VCN pg per instances drm/amd/pm: enable run_btc callback for sienna_cichlid drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps drm/amd/display: Reject overlay plane configurations in multi-display scenarios ...
2020-08-28mfd: mfd-core: Ensure disabled devices are ignored without errorLee Jones1-4/+6
Commit e49aa9a9bd22 ("mfd: core: Make a best effort attempt to match devices with the correct of_nodes") changed the semantics for disabled devices in mfd_add_device(). Instead of silently ignoring a disabled child device, an error was returned. On receipt of the error mfd_add_devices() the precedes to remove *all* child devices and returns an all-failed error to the caller, which will inevitably fail the parent device as well. This patch reverts back to the old semantics and ignores child devices which are disabled in Device Tree. Fixes: e49aa9a9bd22 ("mfd: core: Make a best effort attempt to match devices with the correct of_nodes") Reported-by: Icenowy Zheng <icenowy@aosc.io> Tested-by: Icenowy Zheng <icenowy@aosc.io> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-08-28usb: storage: Add unusual_uas entry for Sony PSZ drivesAlan Stern1-0/+7
The PSZ-HA* family of USB disk drives from Sony can't handle the REPORT OPCODES command when using the UAS protocol. This patch adds an appropriate quirks entry. Reported-and-tested-by: Till Dörges <doerges@pre-sense.de> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200826143229.GB400430@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-27md/raid5: make sure stripe_size as power of twoYufen Yu1-2/+5
Commit 3b5408b98e4d ("md/raid5: support config stripe_size by sysfs entry") make stripe_size as a configurable value. It just requires stripe_size as multiple of 4KB. In fact, we should make sure stripe_size as power of two. Otherwise, stripe_shift which is the result of ilog2 can not represent the real stripe_size. Then, stripe_hash() and stripe_hash_locks_hash() may get unexpected value. Fixes: 3b5408b98e4d ("md/raid5: support config stripe_size by sysfs entry") Signed-off-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Song Liu <songliubraving@fb.com>
2020-08-28Merge tag 'drm-intel-fixes-2020-08-27' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixesDave Airlie1-4/+10
drm/i915 fixes for v5.9-rc3: - Fix command parser desc matching with masks Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87imd45ufw.fsf@intel.com
2020-08-28Merge tag 'drm-misc-fixes-2020-08-26' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixesDave Airlie7-13/+13
Fixes for v5.9-rc2: - Take modeset bkl for legacy drivers. - Allow null crtc in dp_mst. - Omap locking state fix. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/7af1e52a-27de-8edc-d0b2-e23b01e8bc96@linux.intel.com