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Message-ID: <Z96f8i3nJgdV4O9g@gmail.com>
Date: Sat, 22 Mar 2025 12:33:06 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, the arch/x86 maintainers <x86@...nel.org>,
David Woodhouse <dwmw2@...radead.org>,
Ard Biesheuvel <ardb@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
"H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Borislav Petkov <bp@...en8.de>, Dave Hansen <dave@...1.net>
Subject: [GIT PULL] x86 core updates for v6.15
Linus,
Please pull the latest x86/core Git tree for v6.15 from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-core-2025-03-22
# HEAD: 1400c87e6cac47eb243f260352c854474d9a9073 zstd: Increase DYNAMIC_BMI2 GCC version cutoff from 4.8 to 11.0 to work around compiler segfault
[ Merge note: this pull request depends on you having merged
two locking commits in the locking tree,
part of the locking-core-2025-03-22 pull request. ]
x86 CPU features support:
- Generate the <asm/cpufeaturemasks.h> header based on build config
(H. Peter Anvin, Xin Li)
- x86 CPUID parsing updates and fixes (Ahmed S. Darwish)
- Introduce the 'setcpuid=' boot parameter (Brendan Jackman)
- Enable modifying CPU bug flags with '{clear,set}puid='
(Brendan Jackman)
- Utilize CPU-type for CPU matching (Pawan Gupta)
- Warn about unmet CPU feature dependencies (Sohil Mehta)
- Prepare for new Intel Family numbers (Sohil Mehta)
Percpu code:
- Standardize & reorganize the x86 percpu layout and
related cleanups (Brian Gerst)
- Convert the stackprotector canary to a regular percpu
variable (Brian Gerst)
- Add a percpu subsection for cache hot data (Brian Gerst)
- Unify __pcpu_op{1,2}_N() macros to __pcpu_op_N() (Uros Bizjak)
- Construct __percpu_seg_override from __percpu_seg (Uros Bizjak)
MM:
- Add support for broadcast TLB invalidation using AMD's INVLPGB instruction
(Rik van Riel)
- Rework ROX cache to avoid writable copy (Mike Rapoport)
- PAT: restore large ROX pages after fragmentation
(Kirill A. Shutemov, Mike Rapoport)
- Make memremap(MEMREMAP_WB) map memory as encrypted by default
(Kirill A. Shutemov)
- Robustify page table initialization (Kirill A. Shutemov)
- Fix flush_tlb_range() when used for zapping normal PMDs (Jann Horn)
- Clear _PAGE_DIRTY for kernel mappings when we clear _PAGE_RW
(Matthew Wilcox)
KASLR:
- x86/kaslr: Reduce KASLR entropy on most x86 systems,
to support PCI BAR space beyond the 10TiB region
(CONFIG_PCI_P2PDMA=y) (Balbir Singh)
CPU bugs:
- Implement FineIBT-BHI mitigation (Peter Zijlstra)
- speculation: Simplify and make CALL_NOSPEC consistent (Pawan Gupta)
- speculation: Add a conditional CS prefix to CALL_NOSPEC (Pawan Gupta)
- RFDS: Exclude P-only parts from the RFDS affected list (Pawan Gupta)
System calls:
- Break up entry/common.c (Brian Gerst)
- Move sysctls into arch/x86 (Joel Granados)
Intel LAM support updates: (Maciej Wieczor-Retman)
- selftests/lam: Move cpu_has_la57() to use cpuinfo flag
- selftests/lam: Skip test if LAM is disabled
- selftests/lam: Test get_user() LAM pointer handling
AMD SMN access updates:
- Add SMN offsets to exclusive region access (Mario Limonciello)
- Add support for debugfs access to SMN registers (Mario Limonciello)
- Have HSMP use SMN through AMD_NODE (Yazen Ghannam)
Power management updates: (Patryk Wlazlyn)
- Allow calling mwait_play_dead with an arbitrary hint
- ACPI/processor_idle: Add FFH state handling
- intel_idle: Provide the default enter_dead() handler
- Eliminate mwait_play_dead_cpuid_hint()
Bootup:
Build system:
- Raise the minimum GCC version to 8.1 (Brian Gerst)
- Raise the minimum LLVM version to 15.0.0
(Nathan Chancellor)
Kconfig: (Arnd Bergmann)
- Add cmpxchg8b support back to Geode CPUs
- Drop 32-bit "bigsmp" machine support
- Rework CONFIG_GENERIC_CPU compiler flags
- Drop configuration options for early 64-bit CPUs
- Remove CONFIG_HIGHMEM64G support
- Drop CONFIG_SWIOTLB for PAE
- Drop support for CONFIG_HIGHPTE
- Document CONFIG_X86_INTEL_MID as 64-bit-only
- Remove old STA2x11 support
- Only allow CONFIG_EISA for 32-bit
Headers:
- Replace __ASSEMBLY__ with __ASSEMBLER__ in UAPI and non-UAPI headers
(Thomas Huth)
Assembly code & machine code patching:
- x86/alternatives: Simplify alternative_call() interface (Josh Poimboeuf)
- x86/alternatives: Simplify callthunk patching (Peter Zijlstra)
- KVM: VMX: Use named operands in inline asm (Josh Poimboeuf)
- x86/hyperv: Use named operands in inline asm (Josh Poimboeuf)
- x86/traps: Cleanup and robustify decode_bug() (Peter Zijlstra)
- x86/kexec: Merge x86_32 and x86_64 code using macros from <asm/asm.h>
(Uros Bizjak)
- Use named operands in inline asm (Uros Bizjak)
- Improve performance by using asm_inline() for atomic locking instructions
(Uros Bizjak)
Earlyprintk:
- Harden early_serial (Peter Zijlstra)
NMI handler:
- Add an emergency handler in nmi_desc & use it in nmi_shootdown_cpus()
(Waiman Long)
Miscellaneous fixes and cleanups:
- by Ahmed S. Darwish, Andy Shevchenko, Ard Biesheuvel,
Artem Bityutskiy, Borislav Petkov, Brendan Jackman, Brian Gerst,
Dan Carpenter, Dr. David Alan Gilbert, H. Peter Anvin,
Ingo Molnar, Josh Poimboeuf, Kevin Brodsky, Mike Rapoport,
Lukas Bulwahn, Maciej Wieczor-Retman, Max Grobecker,
Patryk Wlazlyn, Pawan Gupta, Peter Zijlstra,
Philip Redkin, Qasim Ijaz, Rik van Riel, Thomas Gleixner,
Thorsten Blum, Tom Lendacky, Tony Luck, Uros Bizjak,
Vitaly Kuznetsov, Xin Li, liuye.
Thanks,
Ingo
------------------>
Ahmed S. Darwish (7):
x86/cpuid: Include <linux/build_bug.h> in <asm/cpuid.h>
x86/cpu: Remove unnecessary headers and reorder the rest
x86/cpu: Use max() for CPUID leaf 0x2 TLB descriptors parsing
x86/cpu: Simplify TLB entry count storage
x86/cacheinfo: Remove unnecessary headers and reorder the rest
<linux/sizes.h>: Cover all possible x86 CPU cache sizes
x86/cpuid: Refactor <asm/cpuid.h>
Andy Shevchenko (1):
x86/pat: Fix W=1 build warning when the within_inclusive() function is unused
Ard Biesheuvel (3):
x86/module: Deal with GOT based stack cookie load on Clang < 17
x86/head/64: Avoid Clang < 17 stack protector in startup code
x86/asm: Make asm export of __ref_stack_chk_guard unconditional
Arnd Bergmann (10):
x86/Kconfig: Add cmpxchg8b support back to Geode CPUs
x86/smp: Drop 32-bit "bigsmp" machine support
x86/build: Rework CONFIG_GENERIC_CPU compiler flags
x86/cpu: Drop configuration options for early 64-bit CPUs
x86/mm: Remove CONFIG_HIGHMEM64G support
x86/mm: Drop CONFIG_SWIOTLB for PAE
x86/mm: Drop support for CONFIG_HIGHPTE
x86/cpu: Document CONFIG_X86_INTEL_MID as 64-bit-only
x86/pci: Remove old STA2x11 support
x86/platform: Only allow CONFIG_EISA for 32-bit
Artem Bityutskiy (1):
ACPI/processor_idle: Export acpi_processor_ffh_play_dead()
Balbir Singh (1):
x86/kaslr: Reduce KASLR entropy on most x86 systems
Brendan Jackman (6):
x86/cpu: Create helper function to parse the 'clearcpuid=' boot parameter
x86/cpu: Add the 'setcpuid=' boot parameter
x86/cpu: Enable modifying CPU bug flags with '{clear,set}puid='
x86/cpu: Remove unnecessary macro indirection related to CPU feature names
x86/cpu: Warn louder about the {set,clear}cpuid boot parameters
x86/cpu: Log CPU flag cmdline hacks more verbosely
Brian Gerst (37):
x86/build: Raise the minimum GCC version to 8.1
x86/stackprotector: Remove stack protector test scripts
x86/boot: Disable stack protector for early boot code
x86/pvh: Use fixed_percpu_data for early boot GSBASE
x86/relocs: Handle R_X86_64_REX_GOTPCRELX relocations
x86/stackprotector/64: Convert to normal per-CPU variable
x86/percpu/64: Use relative percpu offsets
x86/percpu/64: Remove fixed_percpu_data
x86/boot/64: Remove inverse relocations
x86/percpu/64: Remove INIT_PER_CPU macros
percpu: Remove PER_CPU_FIRST_SECTION
percpu: Remove PERCPU_VADDR()
percpu: Remove __per_cpu_load
kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU
x86/arch_prctl: Simplify sys_arch_prctl()
x86/arch_prctl/64: Clean up ARCH_MAP_VDSO_32
x86/bpf: Fix BPF percpu accesses
x86/asm: Merge KSTK_ESP() implementations
x86/smp/32: Remove safe_smp_processor_id()
percpu: Introduce percpu hot section
x86/percpu: Move pcpu_hot to percpu hot section
x86/preempt: Move preempt count to percpu hot section
x86/smp: Move cpu number to percpu hot section
x86/retbleed: Move call depth to percpu hot section
x86/softirq: Move softirq_pending to percpu hot section
x86/irq: Move irq stacks to percpu hot section
x86/percpu: Move top_of_stack to percpu hot section
x86/percpu: Move current_task to percpu hot section
x86/stackprotector: Move __stack_chk_guard to percpu hot section
x86/smp: Move this_cpu_off to percpu hot section
x86/xen: Move Xen upcall handler
x86/syscall/32: Move 32-bit syscall dispatch code
x86/syscall/64: Move 64-bit syscall dispatch code
x86/syscall/x32: Move x32 syscall table
x86/syscall: Move sys_ni_syscall()
x86/syscall: Remove stray semicolons
x86/syscall/32: Add comment to conditional
Dan Carpenter (1):
x86/module: Remove unnecessary check in module_finalize()
Dr. David Alan Gilbert (1):
x86/paravirt: Remove unused paravirt_disable_iospace()
H. Peter Anvin (Intel) (3):
x86/cpufeatures: Rename X86_CMPXCHG64 to X86_CX8
x86/cpufeatures: Add {REQUIRED,DISABLED} feature configs
x86/cpufeatures: Generate the <asm/cpufeaturemasks.h> header based on build config
Ingo Molnar (17):
Merge tag 'v6.14-rc3' into x86/core, to pick up fixes
Merge tag 'v6.14-rc3' into x86/mm, to pick up fixes before merging new changes
x86/alternatives: Clean up preprocessor conditional block comments
Merge branch 'x86/mm' into x86/cpu, to avoid conflicts
Merge tag 'v6.14-rc5' into x86/core, to pick up fixes
Merge branch 'x86/urgent' into x86/cpu, to pick up dependent commits
Merge branch 'x86/cpu' into x86/asm, to pick up dependent commits
Merge branch 'x86/locking' into x86/asm, to simplify dependencies
Merge branch 'x86/asm' into x86/core, to pick up dependent commits
Merge branch 'x86/headers' into x86/core, to pick up dependent commits
Merge tag 'v6.14-rc7' into x86/core, to pick up fixes
x86/cpuid: Clean up <asm/cpuid/types.h>
x86/cpuid: Clean up <asm/cpuid/api.h>
x86/cpuid: Standardize on u32 in <asm/cpuid/api.h>
x86/cpuid: Use u32 in instead of uint32_t in <asm/cpuid/api.h>
x86/stackprotector/64: Only export __ref_stack_chk_guard on CONFIG_SMP
zstd: Increase DYNAMIC_BMI2 GCC version cutoff from 4.8 to 11.0 to work around compiler segfault
Jann Horn (1):
x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs
Joel Granados (1):
x86: Move sysctls into arch/x86
Josh Poimboeuf (4):
x86/smp: Fix mwait_play_dead() and acpi_processor_ffh_play_dead() noreturn behavior
KVM: VMX: Use named operands in inline asm
x86/hyperv: Use named operands in inline asm
x86/alternatives: Simplify alternative_call() interface
Kevin Brodsky (2):
x86/mm: Remove unused __set_memory_prot()
x86/mm: Reduce header dependencies in <asm/set_memory.h>
Kirill A. Shutemov (6):
x86/mm/pat: restore large ROX pages after fragmentation
mm/memremap: Pass down MEMREMAP_* flags to arch_memremap_wb()
x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default
x86/acpi: Replace manual page table initialization with kernel_ident_mapping_init()
x86/mm/ident_map: Fix theoretical virtual address overflow to zero
x86/runtime-const: Add the RUNTIME_CONST_PTR assembly macro
Lukas Bulwahn (1):
xen: Kconfig: Drop reference to obsolete configs MCORE2 and MK8
Maciej Wieczor-Retman (4):
x86: Compare physical instead of virtual PGD addresses
selftests/lam: Move cpu_has_la57() to use cpuinfo flag
selftests/lam: Skip test if LAM is disabled
selftests/lam: Test get_user() LAM pointer handling
Mario Limonciello (3):
x86/amd_node: Add SMN offsets to exclusive region access
x86/amd_node: Add support for debugfs access to SMN registers
x86/amd_node: Add a smn_read_register() helper
Matthew Wilcox (Oracle) (1):
x86/mm: Clear _PAGE_DIRTY for kernel mappings when we clear _PAGE_RW
Max Grobecker (1):
x86/cpu: Don't clear X86_FEATURE_LAHF_LM flag in init_amd_k8() on AMD when running in a virtual machine
Mike Rapoport (Microsoft) (9):
x86/mm/pat: cpa-test: fix length for CPA_ARRAY test
x86/mm/pat: drop duplicate variable in cpa_flush()
execmem: don't remove ROX cache from the direct map
execmem: add API for temporal remapping as RW and restoring ROX afterwards
module: switch to execmem API for remapping as RW and restoring ROX
Revert "x86/module: prepare module loading for ROX allocations of text"
module: drop unused module_writable_address()
x86: re-enable EXECMEM_ROX support
module: don't annotate ROX memory as kmemleak_not_leak()
Nathan Chancellor (1):
x86/build: Raise the minimum LLVM version to 15.0.0
Patryk Wlazlyn (4):
x86/smp: Allow calling mwait_play_dead with an arbitrary hint
ACPI/processor_idle: Add FFH state handling
intel_idle: Provide the default enter_dead() handler
x86/smp: Eliminate mwait_play_dead_cpuid_hint()
Pawan Gupta (11):
x86/cpu: Prefix hexadecimal values with 0x in cpu_debug_show()
cpufreq: intel_pstate: Avoid SMP calls to get cpu-type
perf/x86/intel: Use cache cpu-type for hybrid PMU selection
x86/cpu: Remove get_this_hybrid_cpu_*()
x86/speculation: Simplify and make CALL_NOSPEC consistent
x86/speculation: Add a conditional CS prefix to CALL_NOSPEC
x86/cpu: Fix the description of X86_MATCH_VFM_STEPS()
x86/cpu: Shorten CPU matching macro
x86/cpu: Add cpu_type to struct x86_cpu_id
x86/cpu: Update x86_match_cpu() to also use cpu-type
x86/rfds: Exclude P-only parts from the RFDS affected list
Peter Zijlstra (22):
Merge branch 'x86/mm'
x86/ibt: Clean up is_endbr()
x86,kcfi: Fix EXPORT_SYMBOL vs kCFI
x86/cfi: Clean up linkage
x86/boot: Mark start_secondary() with __noendbr
x86/alternative: Simplify callthunk patching
x86/traps: Cleanup and robustify decode_bug()
x86/ibt: Clean up poison_endbr()
x86/early_printk: Harden early_serial
x86/ibt: Handle FineIBT in handle_cfi_failure()
x86/cpu: Update Intel Family comments
x86/cfi: Add 'cfi=warn' boot option
x86/ibt: Add exact_endbr() helper
x86/traps: Decode 0xEA instructions as #UD
x86/traps: Allow custom fixups in handle_bug()
x86/ibt: Optimize the FineIBT instruction sequence
x86/traps: Decode LOCK Jcc.d8 as #UD
x86/ibt: Add paranoid FineIBT mode
x86/bhi: Add BHI stubs
x86/ibt: Implement FineIBT-BHI mitigation
x86/ibt: Optimize the fineibt-bhi arity 1 case
x86/ibt: Make cfi_bhi a constant for FINEIBT_BHI=n
Philip Redkin (1):
x86/mm: Check return value from memblock_phys_alloc_range()
Qasim Ijaz (1):
x86/mm: Replace open-coded gap bounding with clamp()
Rik van Riel (13):
x86/mm: Make MMU_GATHER_RCU_TABLE_FREE unconditional
x86/mm: Remove pv_ops.mmu.tlb_remove_table call
x86/mm: Consolidate full flush threshold decision
x86/mm: Add INVLPGB feature and Kconfig entry
x86/mm: Add INVLPGB support code
x86/mm: Use INVLPGB for kernel TLB flushes
x86/mm: Use broadcast TLB flushing in page reclaim
x86/mm: Add global ASID allocation helper functions
x86/mm: Handle global ASID context switch and TLB flush
x86/mm: Add global ASID process exit helpers
x86/mm: Enable broadcast TLB invalidation for multi-threaded processes
x86/mm: Enable AMD translation cache extensions
x86/mm: Only do broadcast flush from reclaim if pages were unmapped
Sohil Mehta (16):
x86/cpufeatures: Warn about unmet CPU feature dependencies
x86/apic: Fix 32-bit APIC initialization for extended Intel Families
x86/cpu/intel: Fix the MOVSL alignment preference for extended Families
x86/microcode: Update the Intel processor flag scan check
x86/mtrr: Modify a x86_model check to an Intel VFM check
x86/cpu/intel: Replace early Family 6 checks with VFM ones
x86/cpu/intel: Replace Family 15 checks with VFM ones
x86/cpu/intel: Replace Family 5 model checks with VFM ones
x86/acpi/cstate: Improve Intel Family model checks
x86/smpboot: Remove confusing quirk usage in INIT delay
x86/smpboot: Fix INIT delay assignment for extended Intel Families
x86/cpu/intel: Fix fast string initialization for extended Families
x86/mm/pat: Replace Intel x86_model checks with VFM ones
x86/cpu/intel: Limit the non-architectural constant_tsc model checks
perf/x86/intel, x86/cpu: Simplify Intel PMU initialization
perf/x86/intel, x86/cpu: Replace Pentium 4 model checks with VFM ones
Thomas Gleixner (3):
x86/cpu: Get rid of the smp_store_cpu_info() indirection
x86/cpu: Remove unused TLB strings
x86/cacheinfo: Remove the P4 trace leftovers for real
Thomas Huth (2):
x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in UAPI headers
x86/headers: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-UAPI headers
Thorsten Blum (2):
x86/mtrr: Remove unnecessary strlen() in mtrr_write()
x86/mtrr: Use str_enabled_disabled() helper in print_mtrr_state()
Tom Lendacky (1):
x86/mm: Always set the ASID valid bit for the INVLPGB instruction
Tony Luck (1):
x86/cpu: Fix #define name for Intel CPU model 0x5A
Uros Bizjak (16):
x86/ioperm: Use atomic64_inc_return() in ksys_ioperm()
x86/percpu: Unify __pcpu_op{1,2}_N() macros to __pcpu_op_N()
x86/percpu: Construct __percpu_seg_override from __percpu_seg
x86/percpu: Disable named address spaces for UBSAN_BOOL with KASAN for GCC < 14.2
x86/irq/32: Use named operands in inline asm
x86/irq/32: Add missing clobber to inline asm
x86/irq/32: Use current_stack_pointer to avoid asm() in check_stack_overflow()
x86/irq/32: Change some static functions to bool
x86/percpu: Fix __per_cpu_hot_end marker
x86/kexec: Merge x86_32 and x86_64 code using macros from <asm/asm.h>
x86/hweight: Use named operands in inline asm()
x86/hweight: Use ASM_CALL_CONSTRAINT in inline asm()
x86/hweight: Use asm_inline() instead of asm()
x86/asm: Use CLFLUSHOPT and CLWB mnemonics in <asm/special_insns.h>
x86/asm: Use asm_inline() instead of asm() in clwb()
x86/locking/atomic: Improve performance by using asm_inline() for atomic locking instructions
Vitaly Kuznetsov (1):
x86/entry: Add __init to ia32_emulation_override_cmdline()
Waiman Long (1):
x86/nmi: Add an emergency handler in nmi_desc & use it in nmi_shootdown_cpus()
Xin Li (Intel) (3):
x86/ia32: Leave NULL selector values 0~3 unchanged
x86/cpufeatures: Remove {disabled,required}-features.h
x86/cpufeatures: Use AWK to generate {REQUIRED|DISABLED}_MASK_BIT_SET in <asm/cpufeaturemasks.h>
Yazen Ghannam (1):
x86/amd_node, platform/x86/amd/hsmp: Have HSMP use SMN through AMD_NODE
liuye (1):
selftests/x86/lam: Fix minor memory in do_uring()
.../admin-guide/hw-vuln/reg-file-data-sampling.rst | 8 -
Documentation/admin-guide/kdump/kdump.rst | 4 -
Documentation/admin-guide/kernel-parameters.txt | 11 -
Documentation/arch/x86/usb-legacy-support.rst | 11 +-
Makefile | 3 +
arch/arm/include/asm/io.h | 2 +-
arch/arm/mm/ioremap.c | 2 +-
arch/arm/mm/nommu.c | 2 +-
arch/riscv/include/asm/io.h | 2 +-
arch/um/kernel/um_arch.c | 11 +-
arch/x86/Kconfig | 202 +++----
arch/x86/Kconfig.cpu | 105 +---
arch/x86/Kconfig.cpufeatures | 201 +++++++
arch/x86/Makefile | 51 +-
arch/x86/Makefile_32.cpu | 5 +-
arch/x86/boot/boot.h | 4 +-
arch/x86/boot/compressed/misc.c | 14 +-
arch/x86/boot/cpucheck.c | 3 +-
arch/x86/boot/cpuflags.c | 1 -
arch/x86/boot/mkcpustr.c | 3 +-
arch/x86/configs/xen.config | 2 -
arch/x86/crypto/aesni-intel_asm.S | 2 +
arch/x86/crypto/camellia-aesni-avx-asm_64.S | 7 +-
arch/x86/crypto/camellia-aesni-avx2-asm_64.S | 1 +
arch/x86/crypto/camellia-x86_64-asm_64.S | 9 +-
arch/x86/crypto/serpent-avx-x86_64-asm_64.S | 7 +-
arch/x86/crypto/twofish-x86_64-asm_64-3way.S | 5 +-
arch/x86/crypto/twofish-x86_64-asm_64.S | 5 +-
arch/x86/entry/Makefile | 8 +-
arch/x86/entry/calling.h | 1 +
arch/x86/entry/common.c | 524 -----------------
arch/x86/entry/entry.S | 6 +-
arch/x86/entry/entry_32.S | 4 +-
arch/x86/entry/entry_64.S | 11 +-
arch/x86/entry/entry_64_compat.S | 4 +-
arch/x86/entry/entry_64_fred.S | 1 +
arch/x86/entry/syscall_32.c | 332 ++++++++++-
arch/x86/entry/syscall_64.c | 111 +++-
arch/x86/entry/syscall_x32.c | 25 -
arch/x86/entry/syscalls/syscall_32.tbl | 2 +-
arch/x86/entry/vdso/Makefile | 1 +
arch/x86/entry/vdso/extable.h | 2 +-
arch/x86/entry/vdso/vma.c | 3 +-
arch/x86/events/core.c | 2 +-
arch/x86/events/intel/core.c | 35 +-
arch/x86/events/intel/p4.c | 7 +-
arch/x86/events/intel/p6.c | 26 +-
arch/x86/events/perf_event.h | 19 +-
arch/x86/hyperv/mmu.c | 1 -
arch/x86/include/asm/Kbuild | 1 +
arch/x86/include/asm/alternative.h | 45 +-
arch/x86/include/asm/amd_nb.h | 1 -
arch/x86/include/asm/amd_node.h | 24 +
arch/x86/include/asm/apic.h | 4 +-
arch/x86/include/asm/arch_hweight.h | 14 +-
arch/x86/include/asm/asm-prototypes.h | 4 +-
arch/x86/include/asm/asm.h | 21 +-
arch/x86/include/asm/atomic.h | 14 +-
arch/x86/include/asm/atomic64_32.h | 98 ++--
arch/x86/include/asm/atomic64_64.h | 14 +-
arch/x86/include/asm/bitops.h | 14 +-
arch/x86/include/asm/boot.h | 2 +-
arch/x86/include/asm/bug.h | 8 +-
arch/x86/include/asm/cfi.h | 26 +
arch/x86/include/asm/cmpxchg.h | 24 +-
arch/x86/include/asm/cmpxchg_32.h | 6 +-
arch/x86/include/asm/cmpxchg_64.h | 4 +-
arch/x86/include/asm/cpu.h | 15 -
arch/x86/include/asm/cpu_device_id.h | 130 ++---
arch/x86/include/asm/cpufeature.h | 81 +--
arch/x86/include/asm/cpufeatures.h | 9 +-
arch/x86/include/asm/cpuid.h | 216 +------
arch/x86/include/asm/cpuid/api.h | 210 +++++++
arch/x86/include/asm/cpuid/types.h | 32 +
arch/x86/include/asm/cpumask.h | 4 +-
arch/x86/include/asm/current.h | 40 +-
arch/x86/include/asm/desc.h | 1 -
arch/x86/include/asm/desc_defs.h | 4 +-
arch/x86/include/asm/disabled-features.h | 161 -----
arch/x86/include/asm/dwarf2.h | 2 +-
arch/x86/include/asm/elf.h | 5 +-
arch/x86/include/asm/fixmap.h | 4 +-
arch/x86/include/asm/frame.h | 10 +-
arch/x86/include/asm/fred.h | 4 +-
arch/x86/include/asm/fsgsbase.h | 4 +-
arch/x86/include/asm/ftrace.h | 24 +-
arch/x86/include/asm/hardirq.h | 4 +-
arch/x86/include/asm/hw_irq.h | 4 +-
arch/x86/include/asm/ibt.h | 25 +-
arch/x86/include/asm/idtentry.h | 6 +-
arch/x86/include/asm/init.h | 4 +
arch/x86/include/asm/inst.h | 2 +-
arch/x86/include/asm/intel-family.h | 50 +-
arch/x86/include/asm/io.h | 3 +
arch/x86/include/asm/irq_stack.h | 12 +-
arch/x86/include/asm/irqflags.h | 10 +-
arch/x86/include/asm/jump_label.h | 4 +-
arch/x86/include/asm/kasan.h | 2 +-
arch/x86/include/asm/kexec.h | 62 +-
arch/x86/include/asm/linkage.h | 24 +-
arch/x86/include/asm/mem_encrypt.h | 4 +-
arch/x86/include/asm/mmu.h | 12 +
arch/x86/include/asm/mmu_context.h | 10 +-
arch/x86/include/asm/mshyperv.h | 18 +-
arch/x86/include/asm/msr-index.h | 2 +
arch/x86/include/asm/msr.h | 4 +-
arch/x86/include/asm/nmi.h | 2 +
arch/x86/include/asm/nops.h | 2 +-
arch/x86/include/asm/nospec-branch.h | 17 +-
arch/x86/include/asm/orc_types.h | 4 +-
arch/x86/include/asm/page.h | 4 +-
arch/x86/include/asm/page_32.h | 4 +-
arch/x86/include/asm/page_32_types.h | 8 +-
arch/x86/include/asm/page_64.h | 9 +-
arch/x86/include/asm/page_64_types.h | 2 +-
arch/x86/include/asm/page_types.h | 4 +-
arch/x86/include/asm/paravirt.h | 19 +-
arch/x86/include/asm/paravirt_types.h | 20 +-
arch/x86/include/asm/percpu.h | 76 +--
arch/x86/include/asm/pgalloc.h | 5 -
arch/x86/include/asm/pgtable-2level_types.h | 4 +-
arch/x86/include/asm/pgtable-3level_types.h | 4 +-
arch/x86/include/asm/pgtable-invert.h | 4 +-
arch/x86/include/asm/pgtable.h | 12 +-
arch/x86/include/asm/pgtable_32.h | 4 +-
arch/x86/include/asm/pgtable_32_areas.h | 2 +-
arch/x86/include/asm/pgtable_64.h | 6 +-
arch/x86/include/asm/pgtable_64_types.h | 4 +-
arch/x86/include/asm/pgtable_types.h | 12 +-
arch/x86/include/asm/preempt.h | 25 +-
arch/x86/include/asm/processor.h | 66 +--
arch/x86/include/asm/prom.h | 4 +-
arch/x86/include/asm/proto.h | 3 +-
arch/x86/include/asm/pti.h | 4 +-
arch/x86/include/asm/ptrace.h | 4 +-
arch/x86/include/asm/purgatory.h | 4 +-
arch/x86/include/asm/pvclock-abi.h | 4 +-
arch/x86/include/asm/realmode.h | 4 +-
arch/x86/include/asm/required-features.h | 105 ----
arch/x86/include/asm/rmwcc.h | 2 +-
arch/x86/include/asm/runtime-const.h | 13 +
arch/x86/include/asm/segment.h | 8 +-
arch/x86/include/asm/set_memory.h | 2 -
arch/x86/include/asm/setup.h | 7 +-
arch/x86/include/asm/setup_data.h | 4 +-
arch/x86/include/asm/shared/tdx.h | 4 +-
arch/x86/include/asm/shstk.h | 4 +-
arch/x86/include/asm/signal.h | 8 +-
arch/x86/include/asm/smap.h | 6 +-
arch/x86/include/asm/smp.h | 24 +-
arch/x86/include/asm/special_insns.h | 22 +-
arch/x86/include/asm/sta2x11.h | 13 -
arch/x86/include/asm/stackprotector.h | 36 +-
arch/x86/include/asm/string_64.h | 2 +
arch/x86/include/asm/tdx.h | 4 +-
arch/x86/include/asm/thread_info.h | 12 +-
arch/x86/include/asm/tlb.h | 138 +++++
arch/x86/include/asm/tlbbatch.h | 5 +
arch/x86/include/asm/tlbflush.h | 72 ++-
arch/x86/include/asm/traps.h | 2 -
arch/x86/include/asm/unwind_hints.h | 4 +-
arch/x86/include/asm/vdso/getrandom.h | 4 +-
arch/x86/include/asm/vdso/gettimeofday.h | 4 +-
arch/x86/include/asm/vdso/processor.h | 4 +-
arch/x86/include/asm/vdso/vsyscall.h | 4 +-
arch/x86/include/asm/vermagic.h | 4 -
arch/x86/include/asm/xen/interface.h | 10 +-
arch/x86/include/asm/xen/interface_32.h | 4 +-
arch/x86/include/asm/xen/interface_64.h | 4 +-
arch/x86/include/uapi/asm/bootparam.h | 4 +-
arch/x86/include/uapi/asm/e820.h | 4 +-
arch/x86/include/uapi/asm/ldt.h | 4 +-
arch/x86/include/uapi/asm/msr.h | 4 +-
arch/x86/include/uapi/asm/ptrace-abi.h | 6 +-
arch/x86/include/uapi/asm/ptrace.h | 4 +-
arch/x86/include/uapi/asm/setup_data.h | 4 +-
arch/x86/include/uapi/asm/signal.h | 8 +-
arch/x86/kernel/Makefile | 2 +
arch/x86/kernel/acpi/cstate.c | 19 +-
arch/x86/kernel/acpi/madt_playdead.S | 1 +
arch/x86/kernel/acpi/madt_wakeup.c | 73 +--
arch/x86/kernel/acpi/wakeup_64.S | 1 +
arch/x86/kernel/alternative.c | 645 ++++++++++++++++-----
arch/x86/kernel/amd_nb.c | 1 -
arch/x86/kernel/amd_node.c | 149 +++++
arch/x86/kernel/apic/Makefile | 3 -
arch/x86/kernel/apic/apic.c | 7 +-
arch/x86/kernel/apic/bigsmp_32.c | 105 ----
arch/x86/kernel/apic/ipi.c | 30 -
arch/x86/kernel/apic/local.h | 13 -
arch/x86/kernel/apic/probe_32.c | 29 -
arch/x86/kernel/asm-offsets.c | 5 -
arch/x86/kernel/asm-offsets_64.c | 6 -
arch/x86/kernel/callthunks.c | 13 -
arch/x86/kernel/cfi.c | 26 +-
arch/x86/kernel/cpu/amd.c | 30 +-
arch/x86/kernel/cpu/cacheinfo.c | 31 +-
arch/x86/kernel/cpu/common.c | 237 +++++---
arch/x86/kernel/cpu/cpu.h | 8 -
arch/x86/kernel/cpu/cpuid-deps.c | 35 ++
arch/x86/kernel/cpu/debugfs.c | 4 +-
arch/x86/kernel/cpu/hygon.c | 16 +-
arch/x86/kernel/cpu/intel.c | 297 ++++------
arch/x86/kernel/cpu/match.c | 30 +
arch/x86/kernel/cpu/microcode/intel.c | 2 +-
arch/x86/kernel/cpu/mtrr/generic.c | 17 +-
arch/x86/kernel/cpu/mtrr/if.c | 6 +-
arch/x86/kernel/crash.c | 2 +-
arch/x86/kernel/dumpstack_32.c | 4 +-
arch/x86/kernel/dumpstack_64.c | 2 +-
arch/x86/kernel/early_printk.c | 49 +-
arch/x86/kernel/ftrace.c | 30 +-
arch/x86/kernel/ftrace_64.S | 5 +
arch/x86/kernel/head64.c | 2 +-
arch/x86/kernel/head_64.S | 24 +-
arch/x86/kernel/ioport.c | 2 +-
arch/x86/kernel/irq.c | 5 +
arch/x86/kernel/irq_32.c | 51 +-
arch/x86/kernel/irq_64.c | 8 +-
arch/x86/kernel/irqflags.S | 1 +
arch/x86/kernel/kprobes/core.c | 11 +-
arch/x86/kernel/kvm.c | 1 -
arch/x86/kernel/module.c | 81 ++-
arch/x86/kernel/nmi.c | 42 ++
arch/x86/kernel/paravirt.c | 48 +-
arch/x86/kernel/process.c | 10 +-
arch/x86/kernel/process_32.c | 11 +-
arch/x86/kernel/process_64.c | 31 +-
arch/x86/kernel/reboot.c | 12 +-
arch/x86/kernel/setup.c | 66 +++
arch/x86/kernel/setup_percpu.c | 15 +-
arch/x86/kernel/signal_32.c | 62 +-
arch/x86/kernel/smpboot.c | 92 +--
arch/x86/kernel/traps.c | 132 ++++-
arch/x86/kernel/tsc_msr.c | 2 +-
arch/x86/kernel/verify_cpu.S | 4 +
arch/x86/kernel/vmlinux.lds.S | 43 +-
arch/x86/kvm/vmx/vmx_ops.h | 18 +-
arch/x86/lib/Makefile | 5 +-
arch/x86/lib/bhi.S | 147 +++++
arch/x86/lib/clear_page_64.S | 9 +-
arch/x86/lib/cmpxchg8b_emu.S | 2 +-
arch/x86/lib/copy_page_64.S | 3 +-
arch/x86/lib/copy_user_64.S | 3 +
arch/x86/lib/copy_user_uncached_64.S | 2 +
arch/x86/lib/getuser.S | 16 +-
arch/x86/lib/hweight.S | 3 +
arch/x86/lib/memmove_64.S | 3 +-
arch/x86/lib/memset_64.S | 3 +-
arch/x86/lib/msr-reg.S | 3 +-
arch/x86/lib/putuser.S | 9 +
arch/x86/lib/retpoline.S | 3 +-
arch/x86/math-emu/control_w.h | 2 +-
arch/x86/math-emu/exception.h | 6 +-
arch/x86/math-emu/fpu_emu.h | 6 +-
arch/x86/math-emu/status_w.h | 6 +-
arch/x86/mm/ident_map.c | 14 +-
arch/x86/mm/init.c | 9 +-
arch/x86/mm/init_32.c | 9 +-
arch/x86/mm/ioremap.c | 8 +
arch/x86/mm/kaslr.c | 10 +-
arch/x86/mm/mem_encrypt_boot.S | 1 +
arch/x86/mm/mmap.c | 9 +-
arch/x86/mm/pat/cpa-test.c | 2 +-
arch/x86/mm/pat/memtype.c | 6 +-
arch/x86/mm/pat/set_memory.c | 243 +++++++-
arch/x86/mm/pgtable.c | 54 +-
arch/x86/mm/tlb.c | 429 ++++++++++++--
arch/x86/net/bpf_jit_comp.c | 34 +-
arch/x86/pci/Makefile | 2 -
arch/x86/pci/sta2x11-fixup.c | 233 --------
arch/x86/platform/pvh/head.S | 14 +-
arch/x86/power/hibernate_asm_64.S | 2 +
arch/x86/realmode/rm/realmode.h | 4 +-
arch/x86/realmode/rm/wakeup.h | 2 +-
arch/x86/tools/cpufeaturemasks.awk | 88 +++
arch/x86/tools/relocs.c | 147 +----
arch/x86/xen/Kconfig | 2 +-
arch/x86/xen/enlighten_pv.c | 69 +++
arch/x86/xen/mmu_pv.c | 1 -
arch/x86/xen/smp_pv.c | 2 +-
arch/x86/xen/xen-asm.S | 5 +
arch/x86/xen/xen-head.S | 12 +-
drivers/acpi/processor_idle.c | 2 +
drivers/cpufreq/intel_pstate.c | 16 +-
drivers/idle/intel_idle.c | 14 +
drivers/misc/mei/Kconfig | 2 +-
drivers/pci/Kconfig | 6 +
drivers/platform/x86/amd/hsmp/Kconfig | 2 +-
drivers/platform/x86/amd/hsmp/acpi.c | 7 +-
drivers/platform/x86/amd/hsmp/hsmp.c | 1 -
drivers/platform/x86/amd/hsmp/hsmp.h | 3 -
drivers/platform/x86/amd/hsmp/plat.c | 36 +-
drivers/powercap/intel_rapl_common.c | 2 +-
.../media/atomisp/include/linux/atomisp_platform.h | 4 +-
drivers/thermal/intel/intel_tcc.c | 2 +-
drivers/virt/coco/sev-guest/sev-guest.c | 1 +
include/acpi/processor.h | 5 +
include/asm-generic/sections.h | 2 +-
include/asm-generic/vmlinux.lds.h | 48 +-
include/linux/acpi.h | 1 -
include/linux/cfi.h | 2 +
include/linux/compiler.h | 10 +
include/linux/execmem.h | 31 +
include/linux/mod_devicetable.h | 2 +
include/linux/module.h | 16 -
include/linux/moduleloader.h | 4 -
include/linux/objtool.h | 4 +-
include/linux/percpu-defs.h | 17 +-
include/linux/preempt.h | 1 +
include/linux/sizes.h | 8 +
include/linux/vm_event_item.h | 2 +
init/Kconfig | 5 -
kernel/bpf/verifier.c | 4 +-
kernel/cfi.c | 4 +-
kernel/iomem.c | 5 +-
kernel/kallsyms.c | 12 +-
kernel/module/main.c | 81 +--
kernel/module/strict_rwx.c | 9 +-
kernel/sysctl.c | 56 --
kernel/trace/bpf_trace.c | 21 +-
lib/atomic64_test.c | 2 +-
lib/zstd/common/portability_macros.h | 2 +-
mm/execmem.c | 39 +-
mm/percpu.c | 4 +-
mm/vmstat.c | 2 +
scripts/gcc-x86_32-has-stack-protector.sh | 8 -
scripts/gcc-x86_64-has-stack-protector.sh | 4 -
scripts/gdb/linux/cpus.py | 2 +-
scripts/kallsyms.c | 72 +--
scripts/link-vmlinux.sh | 4 -
scripts/min-tool-version.sh | 4 +-
tools/arch/x86/include/asm/asm.h | 8 +-
tools/arch/x86/include/asm/cpufeatures.h | 8 -
tools/arch/x86/include/asm/disabled-features.h | 161 -----
tools/arch/x86/include/asm/msr-index.h | 2 +
tools/arch/x86/include/asm/nops.h | 2 +-
tools/arch/x86/include/asm/orc_types.h | 4 +-
tools/arch/x86/include/asm/pvclock-abi.h | 4 +-
tools/arch/x86/include/asm/required-features.h | 105 ----
tools/objtool/arch/x86/decode.c | 1 +
tools/objtool/check.c | 12 +-
tools/objtool/noreturns.h | 2 +
tools/perf/check-headers.sh | 2 -
tools/power/x86/turbostat/turbostat.c | 2 +-
tools/testing/selftests/x86/lam.c | 151 ++++-
346 files changed, 5002 insertions(+), 4671 deletions(-)
create mode 100644 arch/x86/Kconfig.cpufeatures
delete mode 100644 arch/x86/entry/common.c
delete mode 100644 arch/x86/entry/syscall_x32.c
create mode 100644 arch/x86/include/asm/cpuid/api.h
create mode 100644 arch/x86/include/asm/cpuid/types.h
delete mode 100644 arch/x86/include/asm/disabled-features.h
delete mode 100644 arch/x86/include/asm/required-features.h
delete mode 100644 arch/x86/include/asm/sta2x11.h
delete mode 100644 arch/x86/kernel/apic/bigsmp_32.c
create mode 100644 arch/x86/lib/bhi.S
delete mode 100644 arch/x86/pci/sta2x11-fixup.c
create mode 100755 arch/x86/tools/cpufeaturemasks.awk
delete mode 100755 scripts/gcc-x86_32-has-stack-protector.sh
delete mode 100755 scripts/gcc-x86_64-has-stack-protector.sh
delete mode 100644 tools/arch/x86/include/asm/disabled-features.h
delete mode 100644 tools/arch/x86/include/asm/required-features.h
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