- 24 May, 2022 30 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking updates from Ingo Molnar: - rwsem cleanups & optimizations/fixes: - Conditionally wake waiters in reader/writer slowpaths - Always try to wake waiters in out_nolock path - Add try_cmpxchg64() implementation, with arch optimizations - and use it to micro-optimize sched_clock_{local,remote}() - Various force-inlining fixes to address objdump instrumentation-check warnings - Add lock contention tracepoints: lock:contention_begin lock:contention_end - Misc smaller fixes & cleanups * tag 'locking-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/clock: Use try_cmpxchg64 in sched_clock_{local,remote} locking/atomic/x86: Introduce arch_try_cmpxchg64 locking/atomic: Add generic try_cmpxchg64 support futex: Remove a PREEMPT_RT_FULL reference. locking/qrwlock: Change "queue rwlock" to "queued rwlock" lockdep: Delete local_irq_enable_in_hardirq() locking/mutex: Make contention tracepoints more consistent wrt adaptive spinning locking: Apply contention tracepoints in the slow path locking: Add lock contention tracepoints locking/rwsem: Always try to wake waiters in out_nolock path locking/rwsem: Conditionally wake waiters in reader/writer slowpaths locking/rwsem: No need to check for handoff bit if wait queue empty lockdep: Fix -Wunused-parameter for _THIS_IP_ x86/mm: Force-inline __phys_addr_nodebug() x86/kvm/svm: Force-inline GHCB accessors task_stack, x86/cea: Force-inline stack helpers
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 updates from Catalin Marinas: - Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits) arm64/sysreg: Generate definitions for FAR_ELx arm64/sysreg: Generate definitions for DACR32_EL2 arm64/sysreg: Generate definitions for CSSELR_EL1 arm64/sysreg: Generate definitions for CPACR_ELx arm64/sysreg: Generate definitions for CONTEXTIDR_ELx arm64/sysreg: Generate definitions for CLIDR_EL1 arm64/sve: Move sve_free() into SVE code section arm64: Kconfig.platforms: Add comments arm64: Kconfig: Fix indentation and add comments arm64: mm: avoid writable executable mappings in kexec/hibernate code arm64: lds: move special code sections out of kernel exec segment arm64/hugetlb: Implement arm64 specific huge_ptep_get() arm64/hugetlb: Use ptep_get() to get the pte value of a huge page arm64: kdump: Do not allocate crash low memory if not needed arm64/sve: Generate ZCR definitions arm64/sme: Generate defintions for SVCR arm64/sme: Generate SMPRI_EL1 definitions arm64/sme: Automatically generate SMPRIMAP_EL2 definitions arm64/sme: Automatically generate SMIDR_EL1 defines arm64/sme: Automatically generate defines for SMCR ...
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git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM updates from Russell King: - amba bus updates - simplify ldr_this_cpu assembler macro for uniprocessor builds - avoid explicit assembler literal loads - more spectre-bhb improvements - add Cortex-A9 Errata 764319 workaround - add all unwind tables for modules * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 9204/2: module: Add all unwind tables when load module ARM: 9206/1: A9: Add ARM ERRATA 764319 workaround (Updated) ARM: 9201/1: spectre-bhb: rely on linker to emit cross-section literal loads ARM: 9200/1: spectre-bhb: avoid cross-subsection jump using a numbered label ARM: 9199/1: spectre-bhb: use local DSB and elide ISB in loop8 sequence ARM: 9198/1: spectre-bhb: simplify BPIALL vector macro ARM: 9195/1: entry: avoid explicit literal loads ARM: 9194/1: assembler: simplify ldr_this_cpu for !SMP builds ARM: 9192/1: amba: fix memory leak in amba_device_try_add() ARM: 9193/1: amba: Add amba_read_periphid() helper
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 updates from Heiko Carstens: - Make use of the IBM z16 processor activity instrumentation facility to count cryptography operations: add a new PMU device driver so that perf can make use of this. - Add new IBM z16 extended counter set to cpumf support. - Add vdso randomization support. - Add missing KCSAN instrumentation to barriers and spinlocks, which should make s390's KCSAN support complete. - Add support for IPL-complete-control facility: notify the hypervisor that kexec finished work and the kernel starts. - Improve error logging for PCI. - Various small changes to workaround llvm's integrated assembler limitations, and one bug, to make it finally possible to compile the kernel with llvm's integrated assembler. This also requires to raise the minimum clang version to 14.0.0. - Various other small enhancements, bug fixes, and cleanups all over the place. * tag 's390-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390/head: get rid of 31 bit leftovers scripts/min-tool-version.sh: raise minimum clang version to 14.0.0 for s390 s390/boot: do not emit debug info for assembly with llvm's IAS s390/boot: workaround llvm IAS bug s390/purgatory: workaround llvm's IAS limitations s390/entry: workaround llvm's IAS limitations s390/alternatives: remove padding generation code s390/alternatives: provide identical sized orginal/alternative sequences s390/cpumf: add new extended counter set for IBM z16 s390/preempt: disable __preempt_count_add() optimization for PROFILE_ALL_BRANCHES s390/stp: clock_delta should be signed s390/stp: fix todoff size s390/pai: add support for cryptography counters entry: Rename arch_check_user_regs() to arch_enter_from_user_mode() s390/compat: cleanup compat_linux.h header file s390/entry: remove broken and not needed code s390/boot: convert parmarea to C s390/boot: convert initial lowcore to C s390/ptrace: move short psw definitions to ptrace header file s390/head: initialize all new psws ...
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https://github.com/c-sky/csky-linuxLinus Torvalds authored
Pull arch/csky updates from Guo Ren: - Three atomic optimizations - memcpy/memcpy_io optimization - Some coding conventions for Kbuild, removing warnings * tag 'csky-for-linus-5.19-rc1' of https://github.com/c-sky/csky-linux: csky: Move $(core-y) into arch/csky/Kbuild csky: Remove unused core-y for dts csky: Remove unused $(dtb-y) from boot/Makefile csky: atomic: Add conditional atomic operations' optimization csky: atomic: Add custom atomic.h implementation csky: atomic: Optimize cmpxchg with acquire & release csky: optimize memcpy_{from,to}io() and memset_io() csky: Add C based string functions csky: Fix versioncheck warnings csky: patch_text: Fixup last cpu should be master csky: fix typos in comments
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68kLinus Torvalds authored
Pull m68k updates from Geert Uytterhoeven: - Introduce virtual m68k machine based on Android Goldfish devices - defconfig updates - Minor fixes and improvements * tag 'm68k-for-v5.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: atari: Make Atari ROM port I/O write macros return void m68k: math-emu: Fix dependencies of math emulation support m68k: math-emu: Fix typos in comments m68k: Wire up syscall_trace_enter/leave for m68k m68k: defconfig: Update defconfigs for v5.18-rc1 m68k: Introduce a virtual m68k machine clocksource/drivers: Add a goldfish-timer clocksource rtc: goldfish: Use gf_ioread32()/gf_iowrite32() tty: goldfish: Introduce gf_ioread32()/gf_iowrite32()
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https://github.com/jcmvbkbc/linux-xtensaLinus Torvalds authored
Pull xtensa architecture updates from Max Filippov: - support coprocessors on SMP - support KCSAN - support handling protection faults in noMMU configurations - support using coprocessors in the kernel mode - support hibernation - enable context tracking - enable HAVE_VIRT_CPU_ACCOUNTING_GEN - support division by 0 exception on cores without HW division option - clean up locking in the ISS network driver - clean up kernel entry assemly code - various minor fixes * tag 'xtensa-20220523' of https://github.com/jcmvbkbc/linux-xtensa: (36 commits) xtensa: Return true/false (not 1/0) from bool function xtensa: improve call0 ABI probing xtensa: support artificial division by 0 exception xtensa: add trap handler for division by zero xtensa/simdisk: fix proc_read_simdisk() xtensa: no need to initialise statics to 0 xtensa: clean up labels in the kernel entry assembly xtensa: don't leave invalid TLB entry in fast_store_prohibited xtensa: fix declaration of _SecondaryResetVector_text_* irqchip: irq-xtensa-mx: fix initial IRQ affinity xtensa: enable ARCH_HAS_DEBUG_VM_PGTABLE xtensa: add hibernation support xtensa: support coprocessors on SMP xtensa: get rid of stack frame in coprocessor_flush xtensa: merge SAVE_CP_REGS_TAB and LOAD_CP_REGS_TAB xtensa: add xtensa_xsr macro xtensa: handle coprocessor exceptions in kernel mode xtensa: use callx0 opcode in fast_coprocessor xtensa: clean up excsave1 initialization xtensa: clean up declarations in coprocessor.h ...
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen updates from Juergen Gross: - decouple the PV interface from kernel internals in the Xen scsifront/scsiback pv drivers - harden the Xen scsifront PV driver against a malicious backend driver - simplify Xen PV frontend driver ring page setup - support Xen setups with multiple domains created at boot time to tolerate Xenstore coming up late - two small cleanup patches * tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (29 commits) xen: add support for initializing xenstore later as HVM domain xen: sync xs_wire.h header with upstream xen x86: xen: remove STACK_FRAME_NON_STANDARD from xen_cpuid xen-blk{back,front}: Update contact points for buffer_squeeze_duration_ms and feature_persistent xen/xenbus: eliminate xenbus_grant_ring() xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/xenbus: add xenbus_setup_ring() service function xen: update ring.h xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF xen/sound: switch xen_snd_front to use INVALID_GRANT_REF xen/drm: switch xen_drm_front to use INVALID_GRANT_REF xen/usb: switch xen-hcd to use INVALID_GRANT_REF ...
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Linus Torvalds authored
Merge tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver updates from Hans de Goede: "This includes some small changes to kernel/stop_machine.c and arch/x86 which are deps of the new Intel IFS support. Highlights: - New drivers: - Intel "In Field Scan" (IFS) support - Winmate FM07/FM07P buttons - Mellanox SN2201 support - AMD PMC driver enhancements - Lots of various other small fixes and hardware-id additions" * tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (54 commits) platform/x86/intel/ifs: Add CPU_SUP_INTEL dependency platform/x86: intel_cht_int33fe: Set driver data platform/x86: intel-hid: fix _DSM function index handling platform/x86: toshiba_acpi: use kobj_to_dev() platform/x86: samsung-laptop: use kobj_to_dev() platform/x86: gigabyte-wmi: Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI tools/power/x86/intel-speed-select: Fix warning for perf_cap.cpu tools/power/x86/intel-speed-select: Display error on turbo mode disabled Documentation: In-Field Scan platform/x86/intel/ifs: add ABI documentation for IFS trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations platform/x86/intel/ifs: Add IFS sysfs interface platform/x86/intel/ifs: Add scan test support platform/x86/intel/ifs: Authenticate and copy to secured memory platform/x86/intel/ifs: Check IFS Image sanity platform/x86/intel/ifs: Read IFS firmware image platform/x86/intel/ifs: Add stub driver for In-Field Scan stop_machine: Add stop_core_cpuslocked() for per-core operations x86/msr-index: Define INTEGRITY_CAPABILITIES MSR x86/microcode/intel: Expose collect_cpu_info_early() for IFS ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 SGX updates from Dave Hansen: "A set of patches to prevent crashes in SGX enclaves under heavy memory pressure: SGX uses normal RAM allocated from special shmem files as backing storage when it runs out of SGX memory (EPC). The code was overly aggressive when freeing shmem pages and was inadvertently freeing perfectly good data. This resulted in failures in the SGX instructions used to swap data back into SGX memory. This turned out to be really hard to trigger in mainline. It was originally encountered testing the out-of-tree "SGX2" patches, but later reproduced on mainline. Fix the data loss by being more careful about truncating pages out of the backing storage and more judiciously setting pages dirty" * tag 'x86_sgx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sgx: Ensure no data in PCMD page after truncate x86/sgx: Fix race between reclaimer and page fault handler x86/sgx: Obtain backing storage page with enclave mutex held x86/sgx: Mark PCMD page as dirty when modifying contents x86/sgx: Disconnect backing page references from dirty status
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 vdso update from Borislav Petkov: - Get rid of CONFIG_LEGACY_VSYSCALL_EMULATE as nothing should be using it anymore * tag 'x86_vdso_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vsyscall: Remove CONFIG_LEGACY_VSYSCALL_EMULATE
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 microcode loader update from Borislav Petkov: - Make CPU vendor dependency explicit against random config build failures * tag 'x86_microcode_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Add explicit CPU vendor dependency
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull misc x86 updates from Borislav Petkov: "A variety of fixes which don't fit any other tip bucket: - Remove unnecessary function export - Correct asm constraint - Fix __setup handlers retval" * tag 'x86_misc_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Cleanup the control_va_addr_alignment() __setup handler x86: Fix return value of __setup handlers x86/delay: Fix the wrong asm constraint in delay_loop() x86/amd_nb: Unexport amd_cache_northbridges()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 splitlock updates from Borislav Petkov: - Add Raptor Lake to the set of CPU models which support splitlock - Make life miserable for apps using split locks by slowing them down considerably while the rest of the system remains responsive. The hope is it will hurt more and people will really fix their misaligned locks apps. As a result, free a TIF bit. * tag 'x86_splitlock_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/split_lock: Enable the split lock feature on Raptor Lake x86/split-lock: Remove unused TIF_SLD bit x86/split_lock: Make life miserable for split lockers
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 APIC updates from Borislav Petkov: - Always do default APIC routing setup so that cpumasks are properly allocated and are present when later accessed ("nosmp" and x2APIC) - Clarify the bit overlap between an old APIC and a modern, integrated one * tag 'x86_apic_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Do apic driver probe for "nosmp" use case x86/apic: Clarify i82489DX bit overlap in APIC_LVT0
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 kdump fixlet from Borislav Petkov: - A single debug message fix * tag 'x86_kdump_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/crash: Fix minor typo/bug in debug message
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 platform updates from Borislav Petkov: - A couple of changes enabling SGI UV5 support * tag 'x86_platform_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/platform/uv: Log gap hole end size x86/platform/uv: Update TSC sync state for UV5 x86/platform/uv: Update NMI Handler for UV5
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 mm fixlet from Borislav Petkov: - A sparse address space annotation fix * tag 'x86_mm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fault: Cast an argument to the proper address space in prefetch()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fpu updates from Borislav Petkov: - Add support for XSAVEC - the Compacted XSTATE saving variant - and thus allow for guests to use this compacted XSTATE variant when the hypervisor exports that support - A variable shadowing cleanup * tag 'x86_fpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Cleanup variable shadowing x86/fpu/xsave: Support XSAVEC in the kernel
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core x86 updates from Borislav Petkov: - Remove all the code around GS switching on 32-bit now that it is not needed anymore - Other misc improvements * tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: bug: Use normal relative pointers in 'struct bug_entry' x86/nmi: Make register_nmi_handler() more robust x86/asm: Merge load_gs_index() x86/32: Remove lazy GS macros ELF: Remove elf_core_copy_kernel_regs() x86/32: Simplify ELF_CORE_COPY_REGS
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 cleanups from Borislav Petkov: - Serious sanitization and cleanup of the whole APERF/MPERF and frequency invariance code along with removing the need for unnecessary IPIs - Finally remove a.out support - The usual trivial cleanups and fixes all over x86 * tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) x86: Remove empty files x86/speculation: Add missing srbds=off to the mitigations= help text x86/prctl: Remove pointless task argument x86/aperfperf: Make it correct on 32bit and UP kernels x86/aperfmperf: Integrate the fallback code from show_cpuinfo() x86/aperfmperf: Replace arch_freq_get_on_cpu() x86/aperfmperf: Replace aperfmperf_get_khz() x86/aperfmperf: Store aperf/mperf data for cpu frequency reads x86/aperfmperf: Make parts of the frequency invariance code unconditional x86/aperfmperf: Restructure arch_scale_freq_tick() x86/aperfmperf: Put frequency invariance aperf/mperf data into a struct x86/aperfmperf: Untangle Intel and AMD frequency invariance init x86/aperfmperf: Separate AP/BP frequency invariance init x86/smp: Move APERF/MPERF code where it belongs x86/aperfmperf: Dont wake idle CPUs in arch_freq_get_on_cpu() x86/process: Fix kernel-doc warning due to a changed function name x86: Remove a.out support x86/mm: Replace nodes_weight() with nodes_empty() where appropriate x86: Replace cpumask_weight() with cpumask_empty() where appropriate x86/pkeys: Remove __arch_set_user_pkey_access() declaration ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 build updates from Borislav Petkov: - Add a "make x86_debug.config" target which enables a bunch of useful config debug options when trying to debug an issue - A gcc-12 build warnings fix * tag 'x86_build_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Wrap literal addresses in absolute_pointer() x86/configs: Add x86 debugging Kconfig fragment plus docs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 asm updates from Borislav Petkov: - A bunch of changes towards streamlining low level asm helpers' calling conventions so that former can be converted to C eventually - Simplify PUSH_AND_CLEAR_REGS so that it can be used at the system call entry paths instead of having opencoded, slightly different variants of it everywhere - Misc other fixes * tag 'x86_asm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry: Fix register corruption in compat syscall objtool: Fix STACK_FRAME_NON_STANDARD reloc type linkage: Fix issue with missing symbol size x86/entry: Remove skip_r11rcx x86/entry: Use PUSH_AND_CLEAR_REGS for compat x86/entry: Simplify entry_INT80_compat() x86/mm: Simplify RESERVE_BRK() x86/entry: Convert SWAPGS to swapgs and remove the definition of SWAPGS x86/entry: Don't call error_entry() for XENPV x86/entry: Move CLD to the start of the idtentry macro x86/entry: Move PUSH_AND_CLEAR_REGS out of error_entry() x86/entry: Switch the stack after error_entry() returns x86/traps: Use pt_regs directly in fixup_bad_iret()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 CPU feature updates from Borislav Petkov: - Remove a bunch of chicken bit options to turn off CPU features which are not really needed anymore - Misc fixes and cleanups * tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/speculation: Add missing prototype for unpriv_ebpf_notify() x86/pm: Fix false positive kmemleak report in msr_build_context() x86/speculation/srbds: Do not try to turn mitigation off when not supported x86/cpu: Remove "noclflush" x86/cpu: Remove "noexec" x86/cpu: Remove "nosmep" x86/cpu: Remove CONFIG_X86_SMAP and "nosmap" x86/cpu: Remove "nosep" x86/cpu: Allow feature bit names from /proc/cpuinfo in clearcpuid=
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull Intel TDX support from Borislav Petkov: "Intel Trust Domain Extensions (TDX) support. This is the Intel version of a confidential computing solution called Trust Domain Extensions (TDX). This series adds support to run the kernel as part of a TDX guest. It provides similar guest protections to AMD's SEV-SNP like guest memory and register state encryption, memory integrity protection and a lot more. Design-wise, it differs from AMD's solution considerably: it uses a software module which runs in a special CPU mode called (Secure Arbitration Mode) SEAM. As the name suggests, this module serves as sort of an arbiter which the confidential guest calls for services it needs during its lifetime. Just like AMD's SNP set, this series reworks and streamlines certain parts of x86 arch code so that this feature can be properly accomodated" * tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits) x86/tdx: Fix RETs in TDX asm x86/tdx: Annotate a noreturn function x86/mm: Fix spacing within memory encryption features message x86/kaslr: Fix build warning in KASLR code in boot stub Documentation/x86: Document TDX kernel architecture ACPICA: Avoid cache flush inside virtual machines x86/tdx/ioapic: Add shared bit for IOAPIC base address x86/mm: Make DMA memory shared for TD guest x86/mm/cpa: Add support for TDX shared memory x86/tdx: Make pages shared in ioremap() x86/topology: Disable CPU online/offline control for TDX guests x86/boot: Avoid #VE during boot for TDX platforms x86/boot: Set CR0.NE early and keep it set during the boot x86/acpi/x86/boot: Add multiprocessor wake-up support x86/boot: Add a trampoline for booting APs via firmware handoff x86/tdx: Wire up KVM hypercalls x86/tdx: Port I/O: Add early boot support x86/tdx: Port I/O: Add runtime hypercalls x86/boot: Port I/O: Add decompression-time support for TDX x86/boot: Port I/O: Allow to hook up alternative helpers ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 RAS updates from Borislav Petkov: - Simplification of the AMD MCE error severity grading logic along with supplying critical panic MCEs with accompanying error messages for more human-friendly diagnostics. - Misc fixes * tag 'ras_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Add messages for panic errors in AMD's MCE grading x86/mce: Simplify AMD severity grading logic x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails x86/mce: Avoid unnecessary padding in struct mce_bank
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull AMD SEV-SNP support from Borislav Petkov: "The third AMD confidential computing feature called Secure Nested Paging. Add to confidential guests the necessary memory integrity protection against malicious hypervisor-based attacks like data replay, memory remapping and others, thus achieving a stronger isolation from the hypervisor. At the core of the functionality is a new structure called a reverse map table (RMP) with which the guest has a say in which pages get assigned to it and gets notified when a page which it owns, gets accessed/modified under the covers so that the guest can take an appropriate action. In addition, add support for the whole machinery needed to launch a SNP guest, details of which is properly explained in each patch. And last but not least, the series refactors and improves parts of the previous SEV support so that the new code is accomodated properly and not just bolted on" * tag 'x86_sev_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) x86/entry: Fixup objtool/ibt validation x86/sev: Mark the code returning to user space as syscall gap x86/sev: Annotate stack change in the #VC handler x86/sev: Remove duplicated assignment to variable info x86/sev: Fix address space sparse warning x86/sev: Get the AP jump table address from secrets page x86/sev: Add missing __init annotations to SEV init routines virt: sevguest: Rename the sevguest dir and files to sev-guest virt: sevguest: Change driver name to reflect generic SEV support x86/boot: Put globals that are accessed early into the .data section x86/boot: Add an efi.h header for the decompressor virt: sevguest: Fix bool function returning negative value virt: sevguest: Fix return value check in alloc_shared_pages() x86/sev-es: Replace open-coded hlt-loop with sev_es_terminate() virt: sevguest: Add documentation for SEV-SNP CPUID Enforcement virt: sevguest: Add support to get extended report virt: sevguest: Add support to derive key virt: Add SEV-SNP guest driver x86/sev: Register SEV-SNP guest request platform device x86/sev: Provide support for SNP guest request NAEs ...
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/rasLinus Torvalds authored
Pull EDAC updates from Borislav Petkov: - Switch ghes_edac to use the CPER error reporting routines and simplify the code considerably this way - Rip out the silly edac_align_ptr() contraption which was computing the size of the private structures of each driver and thus allowing for a one-shot memory allocation. This was clearly unnecessary and confusing so switch to simple and boring kmalloc* calls. - Last but not least, the usual garden variety of fixes, cleanups and improvements all over EDAC land * tag 'edac_updates_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/xgene: Fix typo processsors -> processors EDAC/i5100: Remove unused inline function i5100_nrecmema_dm_buf_id() EDAC: Use kcalloc() EDAC/ghes: Change ghes_hw from global to static EDAC/armada_xp: Use devm_platform_ioremap_resource() EDAC/synopsys: Add a SPDX identifier EDAC/synopsys: Add driver support for i.MX platforms EDAC/dmc520: Don't print an error for each unconfigured interrupt line EDAC/mc: Get rid of edac_align_ptr() EDAC/device: Sanitize edac_device_alloc_ctl_info() definition EDAC/device: Get rid of the silly one-shot memory allocation in edac_device_alloc_ctl_info() EDAC/pci: Get rid of the silly one-shot memory allocation in edac_pci_alloc_ctl_info() EDAC/mc: Get rid of silly one-shot struct allocation in edac_mc_alloc() efi/cper: Reformat CPER memory error location to more readable EDAC/ghes: Unify CPER memory error location reporting efi/cper: Add a cper_mem_err_status_str() to decode error description powerpc/85xx: Remove fsl,85... bindings
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 PCI irq routing updates from Thomas Gleixner: - Cleanup and robustify the PCI interrupt routing table handling including proper range checks - Add support for Intel 82378ZB/82379AB, SiS85C497 PIRQ routers - Fix the ALi M1487 router handling - Handle the IRT routing table format in AMI BIOSes correctly * tag 'x86-irq-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/PCI: Fix coding style in PIRQ table verification x86/PCI: Fix ALi M1487 (IBC) PIRQ router link value interpretation x86/PCI: Add $IRT PIRQ routing table support x86/PCI: Handle PIRQ routing tables with no router device given x86/PCI: Add PIRQ routing table range checks x86/PCI: Add support for the SiS85C497 PIRQ router x86/PCI: Disambiguate SiS85C503 PIRQ router code entities x86/PCI: Handle IRQ swizzling with PIRQ routers x86/PCI: Also match function number in $PIR table x86/PCI: Include function number in $PIR table dump x86/PCI: Show the physical address of the $PIR table
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer and timekeeping updates from Thomas Gleixner: - Expose CLOCK_TAI to instrumentation to aid with TSN debugging. - Ensure that the clockevent is stopped when there is no timer armed to avoid pointless wakeups. - Make the sched clock frequency handling and rounding consistent. - Provide a better debugobject hint for delayed works. The timer callback is always the same, which makes it difficult to identify the underlying work. Use the work function as a hint instead. - Move the timer specific sysctl code into the timer subsystem. - The usual set of improvements and cleanups * tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers: Provide a better debugobjects hint for delayed works time/sched_clock: Fix formatting of frequency reporting code time/sched_clock: Use Hz as the unit for clock rate reporting below 4kHz time/sched_clock: Round the frequency reported to nearest rather than down timekeeping: Consolidate fast timekeeper timekeeping: Annotate ktime_get_boot_fast_ns() with data_race() timers/nohz: Switch to ONESHOT_STOPPED in the low-res handler when the tick is stopped timekeeping: Introduce fast accessor to clock tai tracing/timer: Add missing argument documentation of trace points clocksource: Replace cpumask_weight() with cpumask_empty() timers: Move timer sysctl into the timer code clockevents: Use dedicated list iterator variable timers: Simplify calc_index() timers: Initialize base::next_expiry_recalc in timers_prepare_cpu()
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- 23 May, 2022 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull interrupt handling updates from Thomas Gleixner: "Core code: - Make the managed interrupts more robust by shutting them down in the core code when the assigned affinity mask does not contain online CPUs. - Make the irq simulator chip work on RT - A small set of cpumask and power manageent cleanups Drivers: - A set of changes which mark GPIO interrupt chips immutable to prevent the GPIO subsystem from modifying it under the hood. This provides the necessary infrastructure and converts a set of GPIO and pinctrl drivers over. - A set of changes to make the pseudo-NMI handling for GICv3 more robust: a missing barrier and consistent handling of the priority mask. - Another set of GICv3 improvements and fixes, but nothing outstanding - The usual set of improvements and cleanups all over the place - No new irqchip drivers and not even a new device tree binding! 100+ interrupt chips are truly enough" * tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits) irqchip: Add Kconfig symbols for sunxi drivers irqchip/gic-v3: Fix priority mask handling irqchip/gic-v3: Refactor ISB + EOIR at ack time irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling genirq/irq_sim: Make the irq_work always run in hard irq context irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x irqchip/gic: Improved warning about incorrect type irqchip/csky: Return true/false (not 1/0) from bool functions irqchip/imx-irqsteer: Add runtime PM support irqchip/imx-irqsteer: Constify irq_chip struct irqchip/armada-370-xp: Enable MSI affinity configuration irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value irqchip/sun6i-r: Use NULL for chip_data irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup irqchip/exiu: Fix acknowledgment of edge triggered interrupts irqchip/gic-v3: Claim iomem resources dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP irqchip/gic-v3: Detect LPI invalidation MMIO registers ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull CPU hotplug updates from Thomas Gleixner: - Initialize the per-CPU structures during early boot so that the state is consistent from the very beginning. - Make the virtualization hotplug state handling more robust and let the core bringup CPUs which timed out in an earlier attempt again. - Make the x86/xen CPU state tracking consistent on a failed online attempt, so a consecutive bringup does not fall over the inconsistent state. * tag 'smp-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpu/hotplug: Initialise all cpuhp_cpu_state structs earlier cpu/hotplug: Allow the CPU in CPU_UP_PREPARE state to be brought up again. x86/xen: Allow to retry if cpu_initialize_context() failed.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull debugobjects fixlet from Thomas Gleixner: "Trivial licensing cleanup in debugobjects" * tag 'core-debugobjects-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debugobjects: Convert to SPDX license identifier
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irqpoll update from Thomas Gleixner: "A single update for irqpoll: Ensure that a raised soft interrupt is handled after pulling the blk_cpu_iopoll backlog from a unplugged CPU. This prevents that the CPU which runs that code reaches idle with soft interrupts pending" * tag 'core-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lib/irq_poll: Prevent softirq pending leak in irq_poll_cpu_dead()
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefsLinus Torvalds authored
Pull zonefs updates from Damien Le Moal: "This improves zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits" * tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs: documentation: zonefs: Document sysfs attributes documentation: zonefs: Cleanup the mount options section zonefs: Add active seq file accounting zonefs: Export open zone resource information through sysfs zonefs: Always do seq file write open accounting zonefs: Rename super block information fields zonefs: Fix management of open zones zonefs: Clear inode information flags on inode creation
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libataLinus Torvalds authored
Pull ata updates from Damien Le Moal: "For this cycle, the libata.force kernel parameter changes stand out. Beside that, some small cleanups in various drivers. In more detail: - Changes to the pata_mpc52xx driver in preparation for powerpc's asm/prom.h cleanup, from Christophe. - Improved ATA command allocation, from John. - Various small cleanups to the pata_via, pata_sil680, pata_ftide010, sata_gemini, ahci_brcm drivers and to libata-core, from Sergey, Diego, Ruyi, Mighao and Jiabing. - Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad. - AHCI RAID ID cleanup, from Dan. - Improvement to the libata.force kernel parameter to allow most horkage flags to be manually forced for debugging drive issues in the field without needing recompiling a kernel, from me" * tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare doc: admin-guide: Update libata kernel parameters ata: libata-core: Allow forcing most horkage flags ata: libata-core: Improve link flags forced settings ata: libata-core: Refactor force_tbl definition ata: libata-core: cleanup ata_device_blacklist ata: simplify the return expression of brcm_ahci_remove ata: Make use of the helper function devm_platform_ioremap_resource() ata: libata-core: replace "its" with "it is" ahci: Add a generic 'controller2' RAID id dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support ata: pata_via: fix sloppy typing in via_do_set_mode() ata: pata_sil680: fix result type of sil680_sel{dev|reg}() ata: libata-core: fix parameter type in ata_xfer_mode2shift() libata: Improve ATA queued command allocation ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block driver updates from Jens Axboe: "Here are the driver updates queued up for 5.19. This contains: - NVMe pull requests via Christoph: - tighten the PCI presence check (Stefan Roese) - fix a potential NULL pointer dereference in an error path (Kyle Miller Smith) - fix interpretation of the DMRSL field (Tom Yan) - relax the data transfer alignment (Keith Busch) - verbose error logging improvements (Max Gurtovoy, Chaitanya Kulkarni) - misc cleanups (Chaitanya Kulkarni, Christoph) - set non-mdts limits in nvme_scan_work (Chaitanya Kulkarni) - add support for TP4084 - Time-to-Ready Enhancements (Christoph) - MD pull request via Song: - Improve annotation in raid5 code, by Logan Gunthorpe - Support MD_BROKEN flag in raid-1/5/10, by Mariusz Tkaczyk - Other small fixes/cleanups - null_blk series making the configfs side much saner (Damien) - Various minor drbd cleanups and fixes (Haowen, Uladzislau, Jiapeng, Arnd, Cai) - Avoid using the system workqueue (and hence flushing it) in rnbd (Jack) - Avoid using the system workqueue (and hence flushing it) in aoe (Tetsuo) - Series fixing discard_alignment issues in drivers (Christoph) - Small series fixing drivers poking at disk->part0 for openers information (Christoph) - Series fixing deadlocks in loop (Christoph, Tetsuo) - Remove loop.h and add SPDX headers (Christoph) - Various fixes and cleanups (Julia, Xie, Yu)" * tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block: (72 commits) mtip32xx: fix typo in comment nvme: set non-mdts limits in nvme_scan_work nvme: add support for TP4084 - Time-to-Ready Enhancements nvme: split the enum used for various register constants nbd: Fix hung on disconnect request if socket is closed before nvme-fabrics: add a request timeout helper nvme-pci: harden drive presence detect in nvme_dev_disable() nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags nvme: mark internal passthru request RQF_QUIET nvme: remove unneeded include from constants file nvme: add missing status values to verbose logging nvme: set dma alignment to dword nvme: fix interpretation of DMRSL loop: remove most the top-of-file boilerplate comment from the UAPI header loop: remove most the top-of-file boilerplate comment loop: add a SPDX header loop: remove loop.h block: null_blk: Improve device creation with configfs block: null_blk: Cleanup messages block: null_blk: Cleanup device creation and deletion ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block updates from Jens Axboe: "Here are the core block changes for 5.19. This contains: - blk-throttle accounting fix (Laibin) - Series removing redundant assignments (Michal) - Expose bio cache via the bio_set, so that DM can use it (Mike) - Finish off the bio allocation interface cleanups by dealing with the weirdest member of the family. bio_kmalloc combines a kmalloc for the bio and bio_vecs with a hidden bio_init call and magic cleanup semantics (Christoph) - Clean up the block layer API so that APIs consumed by file systems are (almost) only struct block_device based, so that file systems don't have to poke into block layer internals like the request_queue (Christoph) - Clean up the blk_execute_rq* API (Christoph) - Clean up various lose end in the blk-cgroup code to make it easier to follow in preparation of reworking the blkcg assignment for bios (Christoph) - Fix use-after-free issues in BFQ when processes with merged queues get moved to different cgroups (Jan) - BFQ fixes (Jan) - Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming, Wolfgang, me)" * tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits) blk-mq: fix typo in comment bfq: Remove bfq_requeue_request_body() bfq: Remove superfluous conversion from RQ_BIC() bfq: Allow current waker to defend against a tentative one bfq: Relax waker detection for shared queues blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE() blk-throttle: Set BIO_THROTTLED when bio has been throttled blk-cgroup: Remove unnecessary rcu_read_lock/unlock() blk-cgroup: always terminate io.stat lines block, bfq: make bfq_has_work() more accurate block, bfq: protect 'bfqd->queued' by 'bfqd->lock' block: cleanup the VM accounting in submit_bio block: Fix the bio.bi_opf comment block: reorder the REQ_ flags blk-iocost: combine local_stat and desc_stat to stat block: improve the error message from bio_check_eod block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone block: remove superfluous calls to blkcg_bio_issue_init kthread: unexport kthread_blkcg blk-cgroup: cleanup blkcg_maybe_throttle_current ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull cdrom updates from Jens Axboe: "Removal of unused code and documentation updates" * tag 'for-5.19/cdrom-2022-05-22' of git://git.kernel.dk/linux-block: cdrom: remove obsolete TODO list block: remove last remaining traces of IDE documentation cdrom: mark CDROMGETSPINDOWN/CDROMSETSPINDOWN obsolete cdrom: remove the unused driver specific disc change ioctl cdrom: make EXPORT_SYMBOL follow exported function
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull writeback fix from Jens Axboe: "A single writeback fix that didn't belong in any other branch, correcting the number of skipped pages" * tag 'for-5.19/writeback-2022-05-22' of git://git.kernel.dk/linux-block: fs-writeback: writeback_sb_inodes:Recalculate 'wrote' according skipped pages
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