[PATCH 5.10 000/130] 5.10.131-rc1 review

From: Greg Kroah-Hartman
Date: Tue Jul 12 2022 - 14:41:08 EST

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This is the start of the stable review cycle for the 5.10.131 release.
There are 130 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.

Responses should be made by Thu, 14 Jul 2022 18:32:19 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.131-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Linux 5.10.131-rc1

Thomas Gleixner <tglx@xxxxxxxxxxxxx>
x86/static_call: Serialize __static_call_fixup() properly

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
x86/speculation: Disable RRSBA behavior

Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
x86/kexec: Disable RET on kexec

Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
x86/bugs: Do not enable IBPB-on-entry when IBPB is not supported

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
x86/bugs: Add Cannon lake to RETBleed affected CPU list

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retbleed: Add fine grained Kconfig knobs

Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
x86/cpu/amd: Enumerate BTC_NO

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/common: Stamp out the stepping madness

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Fill RSB on vmexit for IBRS

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
KVM: VMX: Fix IBRS handling after vmexit

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
KVM: VMX: Convert launched argument to flags

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
KVM: VMX: Flatten __vmx_vcpu_run()

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Remove x86_spec_ctrl_mask

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Fix SPEC_CTRL write on SMT state change

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Fix firmware entry SPEC_CTRL handling

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/cpu/amd: Add Spectral Chicken

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Add entry UNRET validation

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/bugs: Do IBPB fallback check only once

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bugs: Add retbleed=ibpb

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/xen: Rename SYS* entry points

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Update Retpoline validation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
intel_idle: Disable IBRS during long idle

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bugs: Report Intel retbleed vulnerability

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation()

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bugs: Optimize SPEC_CTRL MSR writes

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/entry: Add kernel IBRS implementation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value

Kim Phillips <kim.phillips@xxxxxxx>
x86/bugs: Enable STIBP for JMP2RET

Alexandre Chartre <alexandre.chartre@xxxxxxxxxx>
x86/bugs: Add AMD retbleed= boot parameter

Alexandre Chartre <alexandre.chartre@xxxxxxxxxx>
x86/bugs: Report AMD retbleed vulnerability

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Add magic AMD return-thunk

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Treat .text.__x86.* as noinstr

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Use return-thunk in asm code

Kim Phillips <kim.phillips@xxxxxxx>
x86/sev: Avoid using __x86_return_thunk

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/vsyscall_emu/64: Don't use RET in vsyscall emulation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/kvm: Fix SETcc emulation for return thunks

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/bpf: Use alternative RET encoding

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/ftrace: Use alternative RET encoding

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86,static_call: Use alternative RET encoding

Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
objtool: skip non-text sections when adding return-thunk sites

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86,objtool: Create .return_sites

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Undo return-thunk damage

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Use -mfunction-return

Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Makefile: Set retpoline cflags based on CONFIG_CC_IS_{CLANG,GCC}

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Swizzle retpoline thunk

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Cleanup some #ifdefery

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/cpufeatures: Move RETPOLINE flags to word 11

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/kvm/vmx: Make noinstr clean

Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
x86/realmode: build with -D__DISABLE_EXPORTS

Mikulas Patocka <mpatocka@xxxxxxxxxx>
objtool: Fix objtool regression on x32 systems

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/entry: Remove skip_r11rcx

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Fix symbol creation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Fix type of reloc::addend

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Fix code relocs vs weak symbols

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Fix SLS validation for kcov tail-call replacement

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
crypto: x86/poly1305 - Fixup SLS

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Default ignore INT3 for unreachable

Borislav Petkov <bp@xxxxxxx>
kvm/emulate: Fix SETcc emulation function offsets with SLS

Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Add straight-line-speculation mitigation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Add straight-line-speculation validation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternative: Relax text_poke_bp() constraint

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Prepare inline-asm for straight-line-speculation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86: Prepare asm files for straight-line-speculation

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/lib/atomic64_386_32: Rename things

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
bpf,x86: Respect X86_FEATURE_RETPOLINE*

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
bpf,x86: Simplify computing label offsets

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternative: Add debug prints to apply_retpolines()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternative: Try inline spectre_v2=retpoline,amd

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternative: Handle Jcc __x86_indirect_thunk_\reg

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternative: Implement .retpoline_sites support

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Create a retpoline thunk array

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Move the retpoline thunk declarations to nospec-branch.h

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/asm: Fixup odd GEN-for-each-reg.h usage

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/asm: Fix register order

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Remove unused replacement symbols

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool,x86: Replace alternatives with .retpoline_sites

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Explicitly avoid self modifying code in .altinstr_replacement

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Classify symbols

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Handle __sanitize_cov*() tail calls

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Introduce CFI hash

Joe Lawrence <joe.lawrence@xxxxxxxxxx>
objtool: Make .altinstructions section entry size consistent

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Remove reloc symbol type checks in get_alt_entry()

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
objtool: print out the symbol type when complaining about it

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Teach get_alt_entry() about more relocation types

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Don't make .altinstructions writable

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool/x86: Ignore __x86_indirect_alt_* symbols

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Only rewrite unconditional retpoline thunk calls

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Fix .symtab_shndx handling for elf_create_undef_symbol()

Borislav Petkov <bp@xxxxxxx>
x86/alternative: Optimize single-byte NOPs at an arbitrary position

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Support asm jump tables

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool/x86: Rewrite retpoline thunk calls

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Skip magical retpoline .altinstr_replacement

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Cache instruction relocs

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Keep track of retpoline call sites

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Add elf_create_undef_symbol()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Extract elf_symbol_add()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Extract elf_strtab_concat()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Create reloc sections implicitly

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Add elf_create_reloc() helper

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Rework the elf_rebuild_reloc_section() logic

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Handle per arch retpoline naming

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
objtool: Correctly handle retpoline thunk calls

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/retpoline: Simplify retpolines

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/alternatives: Optimize optimize_nops()

Ben Hutchings <ben@xxxxxxxxxxxxxxx>
x86: Add insn_decode_kernel()

Borislav Petkov <bp@xxxxxxx>
x86/alternative: Use insn_decode()

Borislav Petkov <bp@xxxxxxx>
x86/insn-eval: Handle return values from the decoder

Borislav Petkov <bp@xxxxxxx>
x86/insn: Add an insn_decode() API

Borislav Petkov <bp@xxxxxxx>
x86/insn: Add a __ignore_sync_check__ marker

Borislav Petkov <bp@xxxxxxx>
x86/insn: Rename insn_decode() to insn_decode_from_regs()

Juergen Gross <jgross@xxxxxxxx>
x86/alternative: Use ALTERNATIVE_TERNARY() in _static_cpu_has()

Juergen Gross <jgross@xxxxxxxx>
x86/alternative: Support ALTERNATIVE_TERNARY

Juergen Gross <jgross@xxxxxxxx>
x86/alternative: Support not-feature

Juergen Gross <jgross@xxxxxxxx>
x86/alternative: Merge include files

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/xen: Support objtool vmlinux.o validation in xen-head.S

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
x86/xen: Support objtool validation in xen-asm.S

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Combine UNWIND_HINT_RET_OFFSET and UNWIND_HINT_FUNC

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Assume only ELF functions do sibling calls

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Support retpoline jump detection for vmlinux.o

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Support stack layout changes in alternatives

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Add 'alt_group' struct

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
objtool: Refactor ORC section generation

Uros Bizjak <ubizjak@xxxxxxxxx>
KVM/nVMX: Use __vmx_vcpu_run in nested_vmx_check_vmentry_hw

Uros Bizjak <ubizjak@xxxxxxxxx>
KVM/VMX: Use TEST %REG,%REG instead of CMP $0,%REG in vmenter.S

-------------

Diffstat:

Documentation/admin-guide/kernel-parameters.txt | 25 +
Makefile | 24 +-
arch/um/kernel/um_arch.c | 4 +
arch/x86/Kconfig | 91 +-
arch/x86/Makefile | 8 +-
arch/x86/boot/compressed/efi_thunk_64.S | 2 +-
arch/x86/boot/compressed/head_64.S | 4 +-
arch/x86/boot/compressed/mem_encrypt.S | 4 +-
arch/x86/crypto/aegis128-aesni-asm.S | 48 +-
arch/x86/crypto/aes_ctrby8_avx-x86_64.S | 2 +-
arch/x86/crypto/aesni-intel_asm.S | 52 +-
arch/x86/crypto/aesni-intel_avx-x86_64.S | 40 +-
arch/x86/crypto/blake2s-core.S | 4 +-
arch/x86/crypto/blowfish-x86_64-asm_64.S | 12 +-
arch/x86/crypto/camellia-aesni-avx-asm_64.S | 18 +-
arch/x86/crypto/camellia-aesni-avx2-asm_64.S | 18 +-
arch/x86/crypto/camellia-x86_64-asm_64.S | 12 +-
arch/x86/crypto/cast5-avx-x86_64-asm_64.S | 12 +-
arch/x86/crypto/cast6-avx-x86_64-asm_64.S | 16 +-
arch/x86/crypto/chacha-avx2-x86_64.S | 6 +-
arch/x86/crypto/chacha-avx512vl-x86_64.S | 6 +-
arch/x86/crypto/chacha-ssse3-x86_64.S | 8 +-
arch/x86/crypto/crc32-pclmul_asm.S | 2 +-
arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 2 +-
arch/x86/crypto/crct10dif-pcl-asm_64.S | 2 +-
arch/x86/crypto/des3_ede-asm_64.S | 4 +-
arch/x86/crypto/ghash-clmulni-intel_asm.S | 6 +-
arch/x86/crypto/nh-avx2-x86_64.S | 2 +-
arch/x86/crypto/nh-sse2-x86_64.S | 2 +-
arch/x86/crypto/poly1305-x86_64-cryptogams.pl | 38 +-
arch/x86/crypto/serpent-avx-x86_64-asm_64.S | 16 +-
arch/x86/crypto/serpent-avx2-asm_64.S | 16 +-
arch/x86/crypto/serpent-sse2-i586-asm_32.S | 6 +-
arch/x86/crypto/serpent-sse2-x86_64-asm_64.S | 6 +-
arch/x86/crypto/sha1_avx2_x86_64_asm.S | 2 +-
arch/x86/crypto/sha1_ni_asm.S | 2 +-
arch/x86/crypto/sha1_ssse3_asm.S | 2 +-
arch/x86/crypto/sha256-avx-asm.S | 2 +-
arch/x86/crypto/sha256-avx2-asm.S | 2 +-
arch/x86/crypto/sha256-ssse3-asm.S | 2 +-
arch/x86/crypto/sha256_ni_asm.S | 2 +-
arch/x86/crypto/sha512-avx-asm.S | 2 +-
arch/x86/crypto/sha512-avx2-asm.S | 2 +-
arch/x86/crypto/sha512-ssse3-asm.S | 2 +-
arch/x86/crypto/twofish-avx-x86_64-asm_64.S | 16 +-
arch/x86/crypto/twofish-i586-asm_32.S | 4 +-
arch/x86/crypto/twofish-x86_64-asm_64-3way.S | 6 +-
arch/x86/crypto/twofish-x86_64-asm_64.S | 4 +-
arch/x86/entry/Makefile | 2 +-
arch/x86/entry/calling.h | 72 +-
arch/x86/entry/entry.S | 22 +
arch/x86/entry/entry_32.S | 6 +-
arch/x86/entry/entry_64.S | 62 +-
arch/x86/entry/entry_64_compat.S | 21 +-
arch/x86/entry/thunk_32.S | 2 +-
arch/x86/entry/thunk_64.S | 2 +-
arch/x86/entry/vdso/Makefile | 1 +
arch/x86/entry/vdso/vdso32/system_call.S | 4 +-
arch/x86/entry/vsyscall/vsyscall_emu_64.S | 3 +
arch/x86/include/asm/GEN-for-each-reg.h | 14 +-
arch/x86/include/asm/alternative-asm.h | 114 ---
arch/x86/include/asm/alternative.h | 137 ++-
arch/x86/include/asm/asm-prototypes.h | 17 -
arch/x86/include/asm/cpufeature.h | 41 +-
arch/x86/include/asm/cpufeatures.h | 14 +-
arch/x86/include/asm/disabled-features.h | 21 +-
arch/x86/include/asm/inat.h | 2 +-
arch/x86/include/asm/insn-eval.h | 4 +-
arch/x86/include/asm/insn.h | 28 +-
arch/x86/include/asm/linkage.h | 22 +
arch/x86/include/asm/msr-index.h | 13 +
arch/x86/include/asm/nospec-branch.h | 140 +--
arch/x86/include/asm/paravirt.h | 2 +-
arch/x86/include/asm/qspinlock_paravirt.h | 4 +-
arch/x86/include/asm/smap.h | 5 +-
arch/x86/include/asm/static_call.h | 19 +-
arch/x86/include/asm/unwind_hints.h | 23 +-
arch/x86/kernel/acpi/wakeup_32.S | 6 +-
arch/x86/kernel/alternative.c | 406 +++++++-
arch/x86/kernel/cpu/amd.c | 46 +-
arch/x86/kernel/cpu/bugs.c | 475 +++++++--
arch/x86/kernel/cpu/common.c | 61 +-
arch/x86/kernel/cpu/cpu.h | 2 +
arch/x86/kernel/cpu/hygon.c | 6 +
arch/x86/kernel/cpu/scattered.c | 1 +
arch/x86/kernel/ftrace.c | 7 +-
arch/x86/kernel/ftrace_32.S | 6 +-
arch/x86/kernel/ftrace_64.S | 12 +-
arch/x86/kernel/head_32.S | 2 +-
arch/x86/kernel/head_64.S | 5 +
arch/x86/kernel/irqflags.S | 4 +-
arch/x86/kernel/kprobes/core.c | 2 +-
arch/x86/kernel/module.c | 15 +-
arch/x86/kernel/paravirt.c | 2 +-
arch/x86/kernel/process.c | 2 +-
arch/x86/kernel/relocate_kernel_32.S | 15 +-
arch/x86/kernel/relocate_kernel_64.S | 13 +-
arch/x86/kernel/sev-es.c | 2 +-
arch/x86/kernel/sev_verify_cbit.S | 2 +-
arch/x86/kernel/static_call.c | 52 +-
arch/x86/kernel/umip.c | 2 +-
arch/x86/kernel/verify_cpu.S | 4 +-
arch/x86/kernel/vmlinux.lds.S | 23 +-
arch/x86/kvm/emulate.c | 33 +-
arch/x86/kvm/svm/vmenter.S | 11 +-
arch/x86/kvm/vmx/nested.c | 32 +-
arch/x86/kvm/vmx/run_flags.h | 8 +
arch/x86/kvm/vmx/vmenter.S | 170 ++--
arch/x86/kvm/vmx/vmx.c | 78 +-
arch/x86/kvm/vmx/vmx.h | 5 +
arch/x86/kvm/x86.c | 4 +-
arch/x86/lib/atomic64_386_32.S | 88 +-
arch/x86/lib/atomic64_cx8_32.S | 18 +-
arch/x86/lib/checksum_32.S | 8 +-
arch/x86/lib/clear_page_64.S | 6 +-
arch/x86/lib/cmpxchg16b_emu.S | 4 +-
arch/x86/lib/cmpxchg8b_emu.S | 4 +-
arch/x86/lib/copy_mc_64.S | 6 +-
arch/x86/lib/copy_page_64.S | 6 +-
arch/x86/lib/copy_user_64.S | 14 +-
arch/x86/lib/csum-copy_64.S | 2 +-
arch/x86/lib/error-inject.c | 3 +-
arch/x86/lib/getuser.S | 22 +-
arch/x86/lib/hweight.S | 6 +-
arch/x86/lib/inat.c | 2 +-
arch/x86/lib/insn-eval.c | 40 +-
arch/x86/lib/insn.c | 222 ++++-
arch/x86/lib/iomap_copy_64.S | 2 +-
arch/x86/lib/memcpy_64.S | 14 +-
arch/x86/lib/memmove_64.S | 11 +-
arch/x86/lib/memset_64.S | 8 +-
arch/x86/lib/msr-reg.S | 4 +-
arch/x86/lib/putuser.S | 6 +-
arch/x86/lib/retpoline.S | 118 ++-
arch/x86/math-emu/div_Xsig.S | 2 +-
arch/x86/math-emu/div_small.S | 2 +-
arch/x86/math-emu/mul_Xsig.S | 6 +-
arch/x86/math-emu/polynom_Xsig.S | 2 +-
arch/x86/math-emu/reg_norm.S | 6 +-
arch/x86/math-emu/reg_round.S | 2 +-
arch/x86/math-emu/reg_u_add.S | 2 +-
arch/x86/math-emu/reg_u_div.S | 2 +-
arch/x86/math-emu/reg_u_mul.S | 2 +-
arch/x86/math-emu/reg_u_sub.S | 2 +-
arch/x86/math-emu/round_Xsig.S | 4 +-
arch/x86/math-emu/shr_Xsig.S | 8 +-
arch/x86/math-emu/wm_shrx.S | 16 +-
arch/x86/mm/mem_encrypt_boot.S | 6 +
arch/x86/net/bpf_jit_comp.c | 185 ++--
arch/x86/net/bpf_jit_comp32.c | 22 +-
arch/x86/platform/efi/efi_stub_32.S | 2 +-
arch/x86/platform/efi/efi_stub_64.S | 2 +-
arch/x86/platform/efi/efi_thunk_64.S | 2 +-
arch/x86/platform/olpc/xo1-wakeup.S | 6 +-
arch/x86/power/hibernate_asm_32.S | 4 +-
arch/x86/power/hibernate_asm_64.S | 4 +-
arch/x86/um/checksum_32.S | 4 +-
arch/x86/um/setjmp_32.S | 2 +-
arch/x86/um/setjmp_64.S | 2 +-
arch/x86/xen/Makefile | 1 -
arch/x86/xen/setup.c | 6 +-
arch/x86/xen/xen-asm.S | 43 +-
arch/x86/xen/xen-head.S | 6 +-
arch/x86/xen/xen-ops.h | 6 +-
drivers/base/cpu.c | 8 +
drivers/idle/intel_idle.c | 43 +-
include/linux/cpu.h | 2 +
include/linux/kvm_host.h | 2 +-
include/linux/objtool.h | 14 +-
samples/ftrace/ftrace-direct-modify.c | 4 +-
samples/ftrace/ftrace-direct-too.c | 2 +-
samples/ftrace/ftrace-direct.c | 2 +-
scripts/Makefile.build | 6 +
scripts/link-vmlinux.sh | 6 +
security/Kconfig | 11 -
tools/arch/x86/include/asm/inat.h | 2 +-
tools/arch/x86/include/asm/insn.h | 28 +-
tools/arch/x86/include/asm/msr-index.h | 9 +
tools/arch/x86/lib/inat.c | 2 +-
tools/arch/x86/lib/insn.c | 222 ++++-
tools/arch/x86/lib/memcpy_64.S | 12 +-
tools/arch/x86/lib/memset_64.S | 6 +-
tools/include/linux/kconfig.h | 73 ++
tools/include/linux/objtool.h | 14 +-
tools/objtool/Documentation/stack-validation.txt | 16 +-
tools/objtool/Makefile | 4 -
tools/objtool/arch.h | 13 +-
tools/objtool/arch/x86/decode.c | 58 +-
tools/objtool/arch/x86/include/arch_special.h | 2 +-
tools/objtool/builtin-check.c | 6 +-
tools/objtool/builtin-orc.c | 6 +-
tools/objtool/builtin.h | 3 +-
tools/objtool/cfi.h | 2 +
tools/objtool/check.c | 1140 +++++++++++++++++-----
tools/objtool/check.h | 35 +-
tools/objtool/elf.c | 434 ++++++--
tools/objtool/elf.h | 22 +-
tools/objtool/objtool.c | 2 +
tools/objtool/objtool.h | 5 +-
tools/objtool/orc_gen.c | 324 +++---
tools/objtool/special.c | 22 +-
tools/objtool/sync-check.sh | 17 +-
tools/objtool/weak.c | 7 +-
tools/perf/check-headers.sh | 15 +-
204 files changed, 4557 insertions(+), 1916 deletions(-)

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