arch/x86/include/asm · kernel · Tangled

(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

kernel arch x86 include asm

10 folders · 331 files

Linus Torvalds · Merge tag 'mm-stable-2026-10-25-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm · 1w ago

perf/x86/amd/ibs: Fix comment typo in ibs_op_data

x86/cpuid: Mark CPUID function 0x23 as being indexed

x86/boot/e820: Simplify the e820__range_remove() API

Merge tag 'perf-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Merge tag 'x86_tdx_for_7.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/fpu: Remove unused trace events

x86/platform/uv: Fix UBSAN array-index-out-of-bounds

vdso: Add asm-generic/vdso/vsyscall.h

Merge tag 'x86-cpu-2026-06-14' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip

ACPICA: Avoid cache flush inside virtual machines

x86/acpi: Add a helper to get the address of the wakeup mailbox

treewide: Explicitly include the x86 CPUID headers

char/agp: consolidate {alloc,free}_gatt_pages()

x86/alternative: Drop smp_locks glue

x86/paravirt: Remove not needed includes of paravirt.h

x86/apic: Drop AMD Extended Interrupt LVT macros

objtool, x86/hweight: Remove ANNOTATE_IGNORE_ALTERNATIVE

x86/cpu: Hide and rename static_cpu_has()

asm-prototypes.h

x86/asm: Make asm export of __ref_stack_chk_guard unconditional

x86/asm: Remove ANNOTATE_DATA_SPECIAL usage

x86/locking/atomic: Improve performance by using asm_inline() for atomic locking instructions

x86/alternatives: Simplify alternative_call() interface

x86/locking/atomic: Improve performance by using asm_inline() for atomic locking instructions

x86/audit: Fix -Wmissing-variable-declarations warning for ia32_xyz_class

Merge tag 'x86-documentation-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Merge tag 'x86_cleanups_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

efistub/x86: Remap inittext read-execute when needed

bootparam_utils.h

docs: move x86 documentation into Documentation/arch/

x86/bug: Put HAVE_ARCH_BUG_FORMAT_ARGS WARN definitions inside __ASSEMBLER__

x86/cpu: Switch to arch_cpu_finalize_init()

treewide: Convert macro and uses of __section(foo) to __section("foo")

asm-generic: don't include <linux/mm.h> in cacheflush.h

x86/cpu: Move cpu_l[l2]c_id into topology info

serial: 8250: Move CE4100 quirks to a module under 8250 driver

x86/cfi: Fix CFI rewrite for odd alignments

i386: propagate the calling conventions change down to csum_partial_copy_generic()

x86/lib: checksum_64.h: Eliminate all kernel-doc warnings

x86: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN

clock_inlined.h

x86/apic: Enable TSC coupled programming mode

x86: Introduce asm/vdso/clocksource.h

x86/setup: Parse the builtin command line before merging

x86/alternative: Drop smp_locks glue

x86/asm: Remove code depending on __GCC_ASM_FLAG_OUTPUTS__

x86/asm: Remove code depending on __GCC_ASM_FLAG_OUTPUTS__

x86/boot: Drop RIP_REL_REF() uses from SME startup code

Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

cpu_device_id.h

Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (headers)

cpu_entry_area.h

x86/mm: Randomize per-cpu entry area

x86/lib: Add CPUID(0x1) family and model calculation

x86/cpu: Hide and rename static_cpu_has()

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

cpuidle_haltpoll.h

cpumask: Don't use "proxy" headers

crash_reserve.h

dma: swiotlb: Rename swiotlb_size_or_default()

x86/crash: Remove crash_reserve_low_1M()

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/cpu: Hide and rename static_cpu_has()

x86/delay: Introduce TPAUSE delay

x86/kvm/vmx: Move IRQ/NMI dispatch from KVM into x86 core

x86/kvm/vmx: Move IRQ/NMI dispatch from KVM into x86 core

x86/div64: Fix addition of large constants in mul_u64_add_u64_div_u64()

dma-mapping: no need to pass a bus_type into get_arch_dma_ops()

PCI: Move isa_dma_bridge_buggy out of asm/dma.h

x86: Avoid missing-prototype warnings for doublefault code

x86/entry/vdso32: Remove open-coded DWARF in sigreturn.S

x86/locking: Remove semicolon from "lock" prefix

x86/efi: Restore IRQ state in EFI page fault handler

x86/elf: Correct comment for STACK_RND_MASK()

elfcore-compat.h

[amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly

emergency-restart.h

emulate_prefix.h

x86/vdso: Implement a vDSO for Intel SGX enclave call

x86/syscall: Use [syscall_]enter_from_user_mode_randomize_stack()

extable_fixup_types.h

x86/extable: switch to using FIELD_GET_SIGNED()

x86/extable: Remove unused declaration fixup_bug()

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

block/floppy: Don't use REALLY_SLOW_IO for delays

x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/kvm/vmx: Move IRQ/NMI dispatch from KVM into x86 core

x86/asm/fsgsbase: Remove unnecessary "memory" clobbers from FS/GS base (read-) accessors

x86/fgraph,bpf: Switch kprobe_multi program stack unwind to hw_regs path

x86/vdso: Implement __vdso_futex_robust_try_unlock()

x86/futex: Convert to scoped user access

x86: remove the IOMMU table infrastructure

GEN-for-each-reg.h

x86/asm: Fix register order

x86/gsseg: Use the LKGS instruction if available for load_gs_index()

x86/irq: Move IOAPIC misrouted and PIC/APIC error counts into irq_stats

x86/paravirt: Remove not needed includes of paravirt.h

rtc: Remove hpet_rtc_dropped_irq()

mm/hugetlb: define a generic fallback for arch_clear_hugepage_flags()

hw_breakpoint.h

perf/hw_breakpoint: Optimize constant number of breakpoint slots

x86/irq: Move IOAPIC misrouted and PIC/APIC error counts into irq_stats

clocksource/drivers/hyper-v: Include asm/hyperv-tlfs.h not asm/mshyperv.h

x86/cpu: Detect FreeBSD Bhyve hypervisor

x86/i8259: Skip probing when ACPI/MADT advertises PCAT compatibility

x86/32: Remove unused IA32_STACK_TOP and two externs

x86,ibt: Use UDB instead of 0xEA

xen: Drop CONFIG_XEN_PVHVM

x86/insn: Add XOP prefix instructions decoder support

x86/boot: Move startup code out of __head section

x86/insn-eval: Move assign_register() out of KVM as insn_assign_reg()

x86/insn-eval: Fix shadowed segment index in get_seg_reg_override_idx()

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

perf/x86/intel: Setup PEBS data configuration and enable legacy groups

perf/x86/intel/pt: Add a capability and config bit for disabling TNTs

intel_punit_ipc.h

platform/x86: intel: punit_ipc: Remove unused function

intel_telemetry.h

platform/x86: intel_telemetry: Remove unused telemetry_raw_read_events()

x86/cpu: Add Intel CPU model number for rugged Panther Lake

x86/platform/intel-mid: Remove unused definitions from intel-mid.h

x86/cpu: Use INVPCID mnemonic in invpcid.h

x86/platform/ce4100: Dont override x86_init.mpparse.setup_ioapic_ids

x86/ioperm: Fix io bitmap invalidation on Xen PV

block/floppy: Don't use REALLY_SLOW_IO for delays

io-mapping: Cleanup atomic iomap

iommu/x86: Add architectural MSI reserved region helper

x86/platform/iosf_mbi: Remove unused iosf_mbi_unregister_pmic_bus_access_notifier()

irq_remapping.h

x86/irq_remapping: Sanitize posted_msi_supported()

objtool: Remove newlines and tabs from annotation macros

perf/x86/core: Register a new vector for handling mediated guest PMIs

arch: consolidate arch_irq_work_raise prototypes

x86: replace CONFIG_HAVE_KVM with IS_ENABLED(CONFIG_KVM)

x86/apic: Remove X86_IRQ_ALLOC_CONTIGUOUS_VECTORS

x86/irqflags: Preemptively move include paravirt.h directive where it belongs

jailhouse_para.h

objtool: Remove newlines and tabs from annotation macros

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/mm: simplify init_trampoline() and surrounding logic

x86/setup: do not include kexec_handover.h from asm/setup.h

x86/dumpstack: Add log_lvl to __show_regs()

kexec-bzimage64.h

x86/sme: Use percpu boolean to control WBINVD during kexec

x86/kfence: fix booting on 32bit non-PAE systems

mm, kmsan: fix infinite recursion due to RCU critical section

kprobes: unify kprobes_exceptions_nofify() prototypes

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

kvm_page_track.h

KVM/vfio: Use file-based reference counting for KVM

x86/kvm: Make kvm_async_pf_task_wake() a local static helper

x86: Restrict KVM-induced symbol exports to KVM modules where obvious/possible

kvm_vcpu_regs.h

KVM: SEV: Macrofy GPR swapping in __svm_sev_es_vcpu_run()

kvm-x86-nested-ops.h

KVM: x86: Add static calls for nested virtualization ops

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

kvm-x86-pmu-ops.h

KVM: x86/pmu: Disable counters based on Host-Only/Guest-Only bits in SVM

kvmclock: Unexport kvmclock clocksource

x86/cfi: Use symmetric SYM_START and SYM_END in __CFI_TYPE()

x86/local: Support large immediate values in local_(add|sub)()

x86/rtc: Rename mach_set_rtc_mmss() to mach_set_cmos_time()

x86/mce: Add enumeration for Intel bitfix filter reset

x86/boot: Drop RIP_REL_REF() uses from SME startup code

x86: Decouple PAT and MTRR handling

x86/cpu: Move intel_get_platform_id() to cpu/intel.c

x86: Remove the arch_calc_vm_prot_bits() macro from the UAPI

x86/mm/tlb: Make enter_lazy_tlb() always inline on x86

x86/mm: Fix false positive warning in switch_mm_irqs_off()

x86/its: move its_pages array to struct mod_arch_specific

printk: Change type of CONFIG_BASE_SMALL to bool

iommu/hyperv: Add para-virtualized IOMMU support for Hyper-V guest

x86/apic/msi: Enable MSI_FLAG_PCI_MSIX_ALLOC_DYN

Merge tag 'perf-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/msr: Remove wrmsrl()

x86/mtrr: Remove license boilerplate text with bad FSF address

x86/idle: Use MONITORX and MWAITX mnemonics in <asm/mwait.h>

x86/nmi: Improve <asm/nmi.h> documentation

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

nospec-branch.h

Merge tag 'timers-core-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/numa: Store extra copy of numa_nodes_parsed

x86/unwind/orc: Add ELF section with ORC version identifier

objtool/x86: Reorder ORC register numbering

page_32_types.h

x86/mm: Consolidate initmem_init()

x86/mm: simplify clear_page_*

page_64_types.h

x86/mm/64: Make 5-level paging support unconditional

x86/clear_page: introduce clear_pages()

mm: convert do_brk_flags() to use vma_flags_t

treewide: provide a generic clear_user_page() variant

paravirt_types.h

x86/xen: Get rid of last XEN_LAZY_MMU uses

paravirt-base.h

x86/paravirt: Replace io_delay() hook with a bool

paravirt-spinlock.h

x86/paravirt: Trace contended_release on unlock

x86/xen: Get rid of last XEN_LAZY_MMU uses

x86: Add support for 0x22/0x23 port I/O configuration space

x86/PCI: Revert "x86/PCI: Clip only host bridge windows for E820 regions"

pci-functions.h

x86/setup: Move internal setup_data structures into setup_data.h

percpu: Sanitize __percpu_qual include hell

percpu: Sanitize __percpu_qual include hell

perf_event_p4.h

x86/cpu/topology: Rename smp_num_siblings

perf/x86/intel: KVM: Handle cross-mapped PEBS PMCs entirely within KVM

x86/mm: Fix _pgd_alloc() for Xen PV mode

pgtable_32_areas.h

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

pgtable_32_types.h

x86/paravirt: Remove not needed includes of paravirt.h

pgtable_64_types.h

x86/mm/64: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings()

mm: drop pxd_ERROR()

pgtable_areas.h

x86/mm: Randomize per-cpu entry area

pgtable_types.h

Merge tag 'mm-stable-2026-08-18-18-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

pgtable-2level_types.h

x86/mm: Remove now unused SHARED_KERNEL_PMD

pgtable-2level.h

mm: drop pxd_ERROR()

pgtable-3level_types.h

x86/mm: Remove now unused SHARED_KERNEL_PMD

pgtable-3level.h

mm: drop pxd_ERROR()

pgtable-invert.h

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

Merge tag 'mm-stable-2026-10-25-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

x86/pkeys: Fix pkey_alloc() return value when pkeys are not supported

x86/pkey: Fix undefined behaviour with PKRU_WD_BIT

platform_sst_audio.h

sfi: Remove framework for deprecated firmware

x86/irq: KVM: Add helper for harvesting PIR to deduplicate KVM and posted MSIs

sched: dynamic: Simplify preempt_schedule{,_notrace}()

processor-cyrix.h

x86: Add support for 0x22/0x23 port I/O configuration space

processor-flags.h

x86/bugs: Rename CONFIG_PAGE_TABLE_ISOLATION => CONFIG_MITIGATION_PAGE_TABLE_ISOLATION

x86/fpu: Remove additional remnants of math emulation

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/arch_prctl: Simplify sys_arch_prctl()

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/paravirt: Introduce new paravirt-base.h header

x86/purgatory: Fix #endif comment

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

random: vDSO: minimize and simplify header includes

qspinlock_paravirt.h

locking/pvqspinlock/x86: Use _Q_LOCKED_VAL in PV_UNLOCK_ASM macro

x86/pvlocks: Move paravirt spinlock functions into own header

x86: Handle KCOV __init vs inline mismatches

reboot_fixups.h

KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem

x86/resctrl: Stop using 32-bit MSR interfaces

x86/asm: Remove code depending on __GCC_ASM_FLAG_OUTPUTS__

rqspinlock: Add basic support for CONFIG_PARAVIRT

runtime-const.h

x86/runtime-const: Introduce runtime_const_mask_32()

x86/virt/seamldr: Add module update locking

x86/syscall/compat: Remove ia32_unistd.h

x86/kexec: Move relocate_kernel to kernel .data section

x86/asm/segment: Implement loadsegment()/savesegment() macros with static inline helpers

Revert "arch: introduce set_direct_map_valid_noflush()"

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/setup: do not include kexec_handover.h from asm/setup.h

x86/apic/savic: Do not use snp_abort()

Merge tag 'x86_sev_for_v7.4_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/sgx: Fix a typo in the kernel-doc comment for enum sgx_attribute

Merge tag 'perf-core-2025-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/init: Initialize signal frame size late

x86/fred/signal: Prevent immediate repeat of single step trap on return from SIGTRAP handler

x86/asm: Remove code depending on __GCC_ASM_FLAG_OUTPUTS__

x86: Make simd.h more resilient

Merge tag 'objtool-urgent-2025-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/acpi: Add acpi_get_cpu_uid() for unified ACPI CPU UID retrieval

softirq_stack.h

x86/softirq/64: Inline do_softirq_own_stack()

mm: make range-to-target_node lookup facility a part of numa_memblks

x86/speculation: Drop Excess function parameter descriptions

special_insns.h

x86/asm: Remove CR4 read fault handler

spinlock_types.h

x86/spinlock: Remove obsolete ticket spinlock macros and types

x86/paravirt: Remove not needed includes of paravirt.h

stackprotector.h

x86/stackprotector: Move __stack_chk_guard to percpu hot section

x86/mm/64: Improve stack overflow warnings

objtool: Remove newlines and tabs from annotation macros

x86: Remove arch-specific strncpy() implementation

Merge tag 'mm-stable-2026-10-19-21-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

x86/asm: Group inline string functions

x86/msr: Add explicit includes of <asm/msr.h>

x86/msr: Add explicit includes of <asm/msr.h>

Merge tag 'kvm-x86-svm-7.4' of https://github.com/kvm-x86/linux into HEAD

x86/msr: Replace wrmsr(msr, low, 0) with wrmsrq(msr, low)

x86/locking: Remove semicolon from "lock" prefix

x86/cpu: Hide and rename static_cpu_has()

syscall_wrapper.h

x86/entry/ia32: Ensure s32 is sign extended to s64

x86/entry: Simplify the syscall number logic

x86: Remove unneeded includes

tdx_global_metadata.h

x86/virt/tdx: Allocate page bitmap for Dynamic PAMT

x86/tdx: Add a helper to query maximum Quote size

text-patching.h

x86/kprobes: Fix crash when probing CS CALL instructions

x86/thermal: Fix LVT thermal setup for SMI delivery mode

x86/xen: use lazy_mmu_state when context-switching

clocksource: Rewrite watchdog code completely

x86/paravirt: Move paravirt_sched_clock() related code into tsc.c

calibrate: Rework delay timer calibration

x86/CPU/AMD: Fix AMD TLBI Erratum #1718

x86/mm: Only do broadcast flush from reclaim if pages were unmapped

x86/mm: Cap flush_tlb_info alignment at 64 bytes

x86/topology: Name the AMD core-type values

x86/cpu: Remove unused !CONFIG_X86_TSC code

x86/traps: Define RMP violation #PF error code

x86/trapnr: Add event type macros to <asm/trapnr.h>

x86/fpu: Remove additional remnants of math emulation

x86/cpu: Remove unused !CONFIG_X86_TSC code

x86: rename and clean up __copy_from_user_inatomic_nocache()

x86-64/arm64/powerpc: clean up and rename __copy_from_user_flushcache

x86/uaccess: Remove __get_user() and __put_user()

unaccepted_memory.h

x86/sev: Add SNP-specific unaccepted memory support

clone3: drop __ARCH_WANT_SYS_CLONE3 macro

x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers

x86/unwind_user: Simplify unwind_user_word_size()

x86,rethook,kprobes: Replace kretprobe with rethook on x86

unwind_user/x86: Teach FP unwind about start of function

asm/user.h: killed unused macros

asm/user.h: killed unused macros

x86/vdso: Move vDSO page definitions to asm/vdso.h

x86/cpu: Remove TSC-less CONFIG_M586 support

x86/vgtod: Remove unused typedef gtod_long_t

Fix access to video_is_primary_device() when compiled without CONFIG_VIDEO

x86/virt: Add refcounting of VMX/SVM usage to support multiple in-kernel users

x86/vm86: Make sure the free_vm86(task) definition uses its parameter even in the !CONFIG_VM86 case

mm/vmalloc: provide fallback arch huge vmap support functions

x86/vmware: Fix hypercall clobbers

KVM: VMX: Formally define KVM's "0xdead" exit reason used for failed VM-Enter

Merge tag 'x86_cpu_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

x86/vsyscall: Restore vsyscall=xonly mode under LASS

word-at-a-time.h

x86-64: word-at-a-time: improve byte count calculations

x86/realmode: Make the location of the trampoline configurable