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linux/arch/x86/kernel
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Linus Torvalds 8f4e8687c8 Merge tag 'x86-urgent-2026-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 fixes from Ingo Molnar:

 - Prevent deadlock during shstk sigreturn (Rick Edgecombe)

 - Disable FRED when PTI is forced on (Dave Hansen)

 - Revert a CPA INVLPGB optimization that did not properly handle
   discontiguous virtual addresses (Dave Hansen)

* tag 'x86-urgent-2026-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Revert INVLPGB optimization for set_memory code
  x86/cpu: Disable FRED when PTI is forced on
  x86/shstk: Prevent deadlock during shstk sigreturn
2026-04-24 10:05:42 -07:00
..
acpi
x86/acpi: Add acpi_get_cpu_uid() for unified ACPI CPU UID retrieval
2026-04-06 16:55:15 +02:00
apic
Merge tag 'x86-cleanups-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2026-04-14 14:03:27 -07:00
cpu
Merge tag 'hyperv-next-signed-20260421' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2026-04-22 09:50:46 -07:00
fpu
Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-15 12:59:16 -07:00
kprobes
Merge tag 'perf-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-12-01 20:42:01 -08:00
.gitignore
…
alternative.c
x86/alternative: delay freeing of smp_locks section
2026-04-03 17:38:34 +03:00
amd_gart_64.c
Merge tag 'dma-mapping-6.19-2025-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
2025-12-06 09:25:05 -08:00
amd_nb.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
amd_node.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
aperture_64.c
x86/platform/amd: Move the <asm/amd_nb.h> header to <asm/amd/nb.h>
2025-04-14 09:34:14 +02:00
apm_32.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
asm-offsets_32.c
x86/asm-offsets: Export certain 'struct cpuinfo_x86' fields for 64-bit asm use too
2025-05-15 09:12:07 +02:00
asm-offsets_64.c
x86/stackprotector/64: Convert to normal per-CPU variable
2025-02-18 10:15:09 +01:00
asm-offsets.c
x86/entry/vdso32: Remove open-coded DWARF in sigreturn.S
2026-01-13 16:37:58 -08:00
audit_64.c
x86/audit: Fix -Wmissing-variable-declarations warning for ia32_xyz_class
2023-08-30 10:11:16 +02:00
bootflag.c
x86/bootflag: Replace open-coded parity calculation with parity8()
2025-02-27 14:00:30 +01:00
callthunks.c
x86/paravirt: Remove not needed includes of paravirt.h
2026-01-12 11:26:52 +01:00
cet.c
x86/msr: Add explicit includes of <asm/msr.h>
2025-05-02 10:23:47 +02:00
cfi.c
x86/traps: Clarify KCFI instruction layout
2025-09-04 21:59:07 +02:00
check.c
…
cpuid.c
x86/cpuid: make cpuid_class a static const structure
2023-08-05 08:31:41 +02:00
crash_dump_32.c
…
crash_dump_64.c
…
crash.c
KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem
2026-03-04 08:52:49 -08:00
devicetree.c
x86/of: Don't use DTB for SMP setup if ACPI is enabled
2025-02-25 22:13:02 +01:00
doublefault_32.c
x86: Avoid missing-prototype warnings for doublefault code
2023-05-18 11:56:18 -07:00
dumpstack_32.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
dumpstack_64.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
dumpstack.c
x86/dumpstack: Prevent KASAN false positive warnings in __show_regs()
2025-10-29 13:07:21 +01:00
e820.c
Merge tag 'cxl-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2026-02-12 16:33:05 -08:00
early_printk.c
Merge tag 'v6.15-rc4' into x86/asm, to pick up fixes
2025-05-06 12:03:03 +02:00
early-quirks.c
drm/intel/pciids: rename i915_pciids.h to just pciids.h
2024-10-29 16:14:04 +02:00
ebda.c
…
eisa.c
x86/EISA: Dereference memory directly instead of using readl()
2024-08-29 15:57:09 +02:00
espfix_64.c
x86/fred: No ESPFIX needed when FRED is enabled
2024-01-31 22:01:51 +01:00
fred.c
x86/fred: Remove kernel log message when initializing exceptions
2026-03-27 16:38:24 +01:00
ftrace_32.S
fgraph: Replace fgraph_ret_regs with ftrace_regs
2024-12-26 10:50:02 -05:00
ftrace_64.S
x86/fgraph: Fix return_to_handler regs.rsp value
2026-01-30 13:40:08 -08:00
ftrace.c
x86/ftrace: Implement DYNAMIC_FTRACE_WITH_JMP
2025-11-24 09:46:37 -08:00
head32.c
x86/microcode: Consolidate the loader enablement checking
2025-05-05 10:51:00 +02:00
head64.c
x86/boot: Create a confined code area for startup code
2025-09-03 18:00:01 +02:00
head_32.S
arch, mm: consolidate empty_zero_page
2026-04-05 13:53:01 -07:00
head_64.S
arch, mm: consolidate empty_zero_page
2026-04-05 13:53:01 -07:00
hpet.c
clocksource: Rewrite watchdog code completely
2026-03-20 13:36:32 +01:00
hw_breakpoint.c
x86: Restrict KVM-induced symbol exports to KVM modules where obvious/possible
2025-11-12 15:29:38 -08:00
i8237.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
i8253.c
x86/i8253: Call clockevent_i8253_disable() with interrupts disabled
2025-04-11 07:28:20 +02:00
i8259.c
syscore: Pass context data to callbacks
2025-11-14 10:01:52 +01:00
ibt_selftest.S
x86/ibt: Convert IBT selftest to asm
2023-08-17 17:07:09 +02:00
idt.c
perf/x86/core: Register a new vector for handling mediated guest PMIs
2025-12-17 13:31:05 +01:00
io_delay.c
…
ioport.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
irq_32.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
irq_64.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
irq_work.c
x86/apic: Wrap IPI calls into helper functions
2023-08-09 12:00:55 -07:00
irq.c
Merge tag 'x86-irq-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2026-02-10 17:39:08 -08:00
irqflags.S
x86/cfi: Clean up linkage
2025-02-14 10:32:05 +01:00
irqinit.c
x86/fred: Install system vector handlers even if FRED isn't fully enabled
2025-08-18 14:23:08 +02:00
itmt.c
x86/itmt: Add debugfs file to show core priorities
2025-07-07 22:35:51 +02:00
jailhouse.c
x86/cpuid: Rename hypervisor_cpuid_base()/for_each_possible_hypervisor_cpuid_base() to cpuid_base_hypervisor()/for_each_possible_cpuid_base_hypervisor()
2025-05-16 10:54:47 +02:00
jump_label.c
x86/alternatives: Rename 'text_poke_queue()' to 'smp_text_poke_batch_add()'
2025-04-11 11:01:33 +02:00
kdebugfs.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
kexec-bzimage64.c
crash_dump/dm-crypt: don't print in arch-specific code
2026-04-02 23:36:24 -07:00
kgdb.c
kgdb: update outdated references to kgdb_wait()
2026-04-21 16:41:54 +01:00
ksysfs.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
kvm.c
x86/paravirt: Replace io_delay() hook with a bool
2026-03-22 08:43:05 +01:00
kvmclock.c
x86/paravirt: Move paravirt_sched_clock() related code into tsc.c
2026-01-12 18:47:39 +01:00
ldt.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
machine_kexec_32.c
x86/mm: Fix _pgd_alloc() for Xen PV mode
2025-04-23 07:49:14 -07:00
machine_kexec_64.c
x86/crash: Use set_memory_p() instead of __set_memory_prot()
2026-01-13 15:28:59 +01:00
Makefile
x86/kexec: Disable KCOV instrumentation after load_segments()
2026-03-30 14:15:25 +02:00
mmconf-fam10h_64.c
x86/msr: Rename 'wrmsrl()' to 'wrmsrq()'
2025-04-10 11:58:33 +02:00
module.c
x86/module: Improve relocation error messages
2025-10-14 14:45:21 -07:00
mpparse.c
x86/mpparse: Cleanup apic_printk()s
2024-08-07 18:13:28 +02:00
msr.c
x86/msr: Add CPU_OUT_OF_SPEC taint name to "unrecognized" pr_warn(msg)
2025-11-05 13:14:42 +01:00
nmi_selftest.c
x86/nmi: Clean up NMI selftest
2025-04-01 22:26:32 +02:00
nmi.c
x86: Restrict KVM-induced symbol exports to KVM modules where obvious/possible
2025-11-12 15:29:38 -08:00
paravirt-spinlocks.c
x86/pvlocks: Move paravirt spinlock functions into own header
2026-01-13 14:57:45 +01:00
paravirt.c
x86/paravirt: Replace io_delay() hook with a bool
2026-03-22 08:43:05 +01:00
pci-dma.c
Documentation: Merge x86-specific boot options doc into kernel-parameters.txt
2024-12-10 18:25:40 +01:00
pcspeaker.c
…
perf_regs.c
…
platform-quirks.c
x86/quirks: Include linux/pnp.h for arch_pnpbios_disabled()
2023-05-18 11:56:18 -07:00
pmem.c
…
probe_roms.c
x86/sev: Skip ROM range scans and validation for SEV-SNP guests
2024-03-26 15:22:35 +01:00
process_32.c
x86/process/32: Use correct type for 'gs' variable in __show_regs() to avoid zero-extension
2026-03-31 09:50:10 +02:00
process_64.c
x86/process/64: Use savesegment() in __show_regs() instead of inline asm
2026-03-31 09:50:10 +02:00
process.c
Merge tag 'x86_tdx_for_6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-10-04 10:01:30 -07:00
process.h
…
ptrace.c
x86/ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
2025-07-14 22:27:48 -07:00
pvclock.c
locking/atomic: treewide: use raw_atomic*_<op>()
2023-06-05 09:57:20 +02:00
quirks.c
x86/platform: Fix missing declaration of 'x86_apple_machine'
2025-02-27 22:52:37 +01:00
reboot_fixups_32.c
x86/msr: Rename 'wrmsrl()' to 'wrmsrq()'
2025-04-10 11:58:33 +02:00
reboot.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2026-04-17 07:18:03 -07:00
relocate_kernel_32.S
x86/asm: Remove semicolon from "rep" prefixes
2025-04-18 09:33:33 +02:00
relocate_kernel_64.S
x86/kexec: Disable LASS during relocate kernel
2025-11-18 10:38:26 -08:00
resource.c
pcmcia: remove obsolete host controller drivers
2026-03-30 07:28:13 +02:00
rethook.c
objtool: Remove newlines and tabs from annotation macros
2025-12-03 19:42:37 +01:00
rtc.c
x86: rtc: Drop PNP device check
2026-02-26 18:48:43 +01:00
setup_percpu.c
x86/smp: Move this_cpu_off to percpu hot section
2025-03-04 20:30:33 +01:00
setup.c
memblock, treewide: make memblock_free() handle late freeing
2026-04-01 11:20:15 +03:00
sev_verify_cbit.S
x86/boot: Use 32-bit XOR to clear registers
2024-03-01 12:47:37 +01:00
shstk.c
x86/shstk: Prevent deadlock during shstk sigreturn
2026-04-20 22:54:24 +02:00
signal_32.c
x86/entry/vdso: Rename vdso_image_* to vdso*_image
2026-01-13 15:33:20 -08:00
signal_64.c
x86/fred/signal: Prevent immediate repeat of single step trap on return from SIGTRAP handler
2025-06-09 08:50:58 -07:00
signal.c
x86/fpu: Convert task_struct::thread.fpu accesses to use x86_task_fpu()
2025-04-14 08:18:29 +02:00
smp.c
KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem
2026-03-04 08:52:49 -08:00
smpboot.c
x86/topo: Fix SNC topology mess
2026-03-04 16:35:09 +01:00
stacktrace.c
…
static_call.c
objtool: Remove newlines and tabs from annotation macros
2025-12-03 19:42:37 +01:00
step.c
x86/msr: Prepare for including <linux/percpu.h> into <asm/msr.h>
2024-03-04 12:01:39 +01:00
sys_ia32.c
fs: fix archiecture-specific compat_ftruncate64
2026-03-23 12:41:57 +01:00
sys_x86_64.c
arch/x86: teach arch_get_unmapped_area_vmflags to handle hugetlb mappings
2024-11-06 20:11:10 -08:00
tboot.c
x86/e820: Drop obsolete E820_TYPE_RESERVED_KERN and related code
2025-02-21 16:05:00 +01:00
time.c
x86: stop playing stack games in profile_pc()
2024-06-28 14:27:22 -07:00
tls.c
x86/tls: Clean up 'sel' variable usage in do_set_thread_area()
2026-03-31 09:50:11 +02:00
tls.h
…
trace_clock.c
x86/msr: Add explicit includes of <asm/msr.h>
2025-05-02 10:23:47 +02:00
trace.c
…
traps.c
x86/vsyscall: Restore vsyscall=xonly mode under LASS
2026-03-19 15:11:13 -07:00
tsc_msr.c
x86/cpu: Fix #define name for Intel CPU model 0x5A
2025-02-04 10:05:53 -08:00
tsc_sync.c
x86/msr: Add explicit includes of <asm/msr.h>
2025-05-02 10:23:47 +02:00
tsc.c
clocksource: Rewrite watchdog code completely
2026-03-20 13:36:32 +01:00
umip.c
x86/traps: Consolidate user fixups in the #GP handler
2026-03-19 15:11:13 -07:00
unwind_frame.c
…
unwind_guess.c
…
unwind_orc.c
objtool/x86: Reorder ORC register numbering
2026-03-18 09:38:52 +01:00
uprobes.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
verify_cpu.S
x86/cpufeatures: Generate the <asm/cpufeaturemasks.h> header based on build config
2025-03-19 11:15:11 +01:00
vm86_32.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
vmcore_info_32.c
crash: split vmcoreinfo exporting code out from crash_core.c
2024-02-23 17:48:22 -08:00
vmcore_info_64.c
crash: split vmcoreinfo exporting code out from crash_core.c
2024-02-23 17:48:22 -08:00
vmlinux.lds.S
kbuild: Split .modinfo out from ELF_DETAILS
2026-02-26 11:50:19 -07:00
vsmp_64.c
x86/paravirt: Remove not needed includes of paravirt.h
2026-01-12 11:26:52 +01:00
x86_init.c
treewide: Update email address
2026-01-11 06:09:11 -10:00