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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_kernel/llvm-release-arm-lts-defconfig in repository toolchain/ci/linux.
from 122427f12350 Merge v5.15.56 adds 01bc8bd64c19 x86/traps: Use pt_regs directly in fixup_bad_iret() adds 19ac6c99a17e x86/entry: Switch the stack after error_entry() returns adds cac414684be9 x86/entry: Move PUSH_AND_CLEAR_REGS out of error_entry() adds 1fd333eb3377 x86/entry: Don't call error_entry() for XENPV adds 29e6b52efca1 objtool: Classify symbols adds c9fd00d8e622 objtool: Explicitly avoid self modifying code in .altinstr [...] adds cad0e43a8c30 objtool: Shrink struct instruction adds 503882b5aeb6 objtool,x86: Replace alternatives with .retpoline_sites adds 655d4097039c objtool: Introduce CFI hash adds 18576e45b12a x86/retpoline: Remove unused replacement symbols adds 71e578e1bd74 x86/asm: Fix register order adds 6a6fcb256301 x86/asm: Fixup odd GEN-for-each-reg.h usage adds 90ca76c83044 x86/retpoline: Move the retpoline thunk declarations to no [...] adds 936c8fcb4995 x86/retpoline: Create a retpoline thunk array adds 86900f95fb06 x86/alternative: Implement .retpoline_sites support adds a40925e2efd8 x86/alternative: Handle Jcc __x86_indirect_thunk_\reg adds b93a0a740bca x86/alternative: Try inline spectre_v2=retpoline,amd adds 1c2e7b40752a x86/alternative: Add debug prints to apply_retpolines() adds 74b5a9f8edfe bpf,x86: Simplify computing label offsets adds 32b2cd6060e7 bpf,x86: Respect X86_FEATURE_RETPOLINE* adds 40265bcd1bd3 objtool: Default ignore INT3 for unreachable adds 6834878ace6e x86/entry: Remove skip_r11rcx adds 2cd972ae337f x86/realmode: build with -D__DISABLE_EXPORTS adds ccb25d7db1a2 x86/kvm/vmx: Make noinstr clean adds eee4f31fa2eb x86/cpufeatures: Move RETPOLINE flags to word 11 adds 545b45c36a2f x86/retpoline: Cleanup some #ifdefery adds bb81f3ac69f8 x86/retpoline: Swizzle retpoline thunk adds 023a2b07d5c3 x86/retpoline: Use -mfunction-return adds 7bf553d9eebd x86: Undo return-thunk damage adds 1920e4be8a97 x86,objtool: Create .return_sites adds b0fb9784cf80 objtool: skip non-text sections when adding return-thunk sites adds c1c80aabc7b9 x86,static_call: Use alternative RET encoding adds e54fcb0812fa x86/ftrace: Use alternative RET encoding adds 0bfe8be824aa x86/bpf: Use alternative RET encoding adds 5b43965d58ef x86/kvm: Fix SETcc emulation for return thunks adds f3d9f990586c x86/vsyscall_emu/64: Don't use RET in vsyscall emulation adds 6c45176bc2ae x86/sev: Avoid using __x86_return_thunk adds 1d61a2988612 x86: Use return-thunk in asm code adds 1f068f9da743 x86/entry: Avoid very early RET adds 07f5c5e36236 objtool: Treat .text.__x86.* as noinstr adds a9c0926fc754 x86: Add magic AMD return-thunk adds 82e92fe936db x86/bugs: Report AMD retbleed vulnerability adds 89eba42632fc x86/bugs: Add AMD retbleed= boot parameter adds b4e05ea71eda x86/bugs: Enable STIBP for JMP2RET adds fac1b0007cec x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value adds 62b4db57eefe x86/entry: Add kernel IBRS implementation adds e03415eeba78 x86/bugs: Optimize SPEC_CTRL MSR writes adds 347d0bf6b0c0 x86/speculation: Add spectre_v2=ibrs option to support Ker [...] adds b9349805e653 x86/bugs: Split spectre_v2_select_mitigation() and spectre [...] adds e51769df6228 x86/bugs: Report Intel retbleed vulnerability adds a1d912d7ac04 intel_idle: Disable IBRS during long idle adds e894b7817e08 objtool: Update Retpoline validation adds 87e6270183a4 x86/xen: Rename SYS* entry points adds 8894f699f187 x86/xen: Add UNTRAIN_RET adds fd17a4254965 x86/bugs: Add retbleed=ibpb adds 469d9b157017 x86/bugs: Do IBPB fallback check only once adds dab72c3c32cc objtool: Add entry UNRET validation adds 75d4fc2e965f x86/cpu/amd: Add Spectral Chicken adds d427c1f83e8c x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n adds e898e28762f8 x86/speculation: Fix firmware entry SPEC_CTRL handling adds 2069bd0e6f5b x86/speculation: Fix SPEC_CTRL write on SMT state change adds b55663e7521f x86/speculation: Use cached host SPEC_CTRL value for guest [...] adds 66b37dccbc25 x86/speculation: Remove x86_spec_ctrl_mask adds c590fa2d2dac objtool: Re-add UNWIND_HINT_{SAVE_RESTORE} adds 852fe53040b9 KVM: VMX: Flatten __vmx_vcpu_run() adds 5fde25284dfe KVM: VMX: Convert launched argument to flags adds 0cbd5905c8f3 KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS adds 4207d7b645b8 KVM: VMX: Fix IBRS handling after vmexit adds 8d5cff499a6d x86/speculation: Fill RSB on vmexit for IBRS adds d7a5c08b46b6 x86/common: Stamp out the stepping madness adds 12a13570054f x86/cpu/amd: Enumerate BTC_NO adds cc3011cdbe5f x86/retbleed: Add fine grained Kconfig knobs adds 2f8967e22322 x86/bugs: Add Cannon lake to RETBleed affected CPU list adds 925340f99bdf x86/entry: Move PUSH_AND_CLEAR_REGS() back into error_entry adds 3653093b7bbf x86/bugs: Do not enable IBPB-on-entry when IBPB is not supported adds db0128b8243f x86/kexec: Disable RET on kexec adds 73ad137d1146 x86/speculation: Disable RRSBA behavior adds 86ccf19a91be x86/static_call: Serialize __static_call_fixup() properly adds 96907c5d3927 x86/xen: Fix initialisation in hypercall_page after rethunk adds 67040d1d922b x86/asm/32: Fix ANNOTATE_UNRET_SAFE use on 32-bit adds d0caa861a836 x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current adds 554cf28b104d efi/x86: use naked RET on mixed mode call wrapper adds 198685e58b13 x86/kvm: fix FASTOP_SIZE when return thunks are enabled adds 5f4e77cc9abf KVM: emulate: do not adjust size of fastop and setcc subroutines adds 1dd6c13b437c tools arch x86: Sync the msr-index.h copy with the kernel sources adds ac8edadc2b1e tools headers cpufeatures: Sync with the kernel sources adds 320fc994f0c8 x86/bugs: Remove apostrophe typo adds 06741ef8e7cc um: Add missing apply_returns() adds b4296a7b863f x86: Use -mindirect-branch-cs-prefix for RETPOLINE builds adds a9e2d8e52e1c Linux 5.15.57 adds de50f42afdec Merge v5.15.57
No new revisions were added by this update.
Summary of changes: Documentation/admin-guide/kernel-parameters.txt | 25 + Makefile | 9 +- arch/um/kernel/um_arch.c | 8 + arch/x86/Kconfig | 103 +++- arch/x86/Makefile | 2 +- arch/x86/entry/Makefile | 2 +- arch/x86/entry/calling.h | 72 ++- arch/x86/entry/entry.S | 22 + arch/x86/entry/entry_32.S | 2 - arch/x86/entry/entry_64.S | 88 ++- arch/x86/entry/entry_64_compat.S | 21 +- arch/x86/entry/vdso/Makefile | 1 + arch/x86/entry/vsyscall/vsyscall_emu_64.S | 9 +- arch/x86/include/asm/GEN-for-each-reg.h | 14 +- arch/x86/include/asm/alternative.h | 2 + arch/x86/include/asm/asm-prototypes.h | 18 - arch/x86/include/asm/cpufeatures.h | 12 +- arch/x86/include/asm/disabled-features.h | 21 +- arch/x86/include/asm/linkage.h | 8 + arch/x86/include/asm/msr-index.h | 13 + arch/x86/include/asm/nospec-branch.h | 134 ++--- arch/x86/include/asm/static_call.h | 17 + arch/x86/include/asm/traps.h | 2 +- arch/x86/include/asm/unwind_hints.h | 14 +- arch/x86/kernel/alternative.c | 260 ++++++++- 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/head_32.S | 1 + arch/x86/kernel/head_64.S | 5 + arch/x86/kernel/module.c | 15 +- arch/x86/kernel/process.c | 2 +- arch/x86/kernel/relocate_kernel_32.S | 25 +- arch/x86/kernel/relocate_kernel_64.S | 23 +- arch/x86/kernel/static_call.c | 49 +- arch/x86/kernel/traps.c | 19 +- arch/x86/kernel/vmlinux.lds.S | 23 +- arch/x86/kvm/emulate.c | 33 +- arch/x86/kvm/svm/vmenter.S | 18 + arch/x86/kvm/vmx/nested.c | 2 +- arch/x86/kvm/vmx/run_flags.h | 8 + arch/x86/kvm/vmx/vmenter.S | 164 +++--- arch/x86/kvm/vmx/vmx.c | 76 ++- arch/x86/kvm/vmx/vmx.h | 6 +- arch/x86/kvm/x86.c | 4 +- arch/x86/lib/memmove_64.S | 7 +- arch/x86/lib/retpoline.S | 133 +++-- arch/x86/mm/mem_encrypt_boot.S | 10 +- arch/x86/net/bpf_jit_comp.c | 179 +++--- arch/x86/net/bpf_jit_comp32.c | 22 +- arch/x86/platform/efi/efi_thunk_64.S | 5 +- arch/x86/xen/setup.c | 6 +- arch/x86/xen/xen-asm.S | 30 +- arch/x86/xen/xen-head.S | 5 +- 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 | 9 +- scripts/Makefile.build | 1 + scripts/link-vmlinux.sh | 3 + security/Kconfig | 11 - tools/arch/x86/include/asm/cpufeatures.h | 12 +- tools/arch/x86/include/asm/disabled-features.h | 21 +- tools/arch/x86/include/asm/msr-index.h | 13 + tools/include/linux/objtool.h | 9 +- tools/objtool/arch/x86/decode.c | 145 +---- tools/objtool/builtin-check.c | 4 +- tools/objtool/check.c | 701 ++++++++++++++++++++---- tools/objtool/elf.c | 84 --- tools/objtool/include/objtool/arch.h | 3 +- tools/objtool/include/objtool/builtin.h | 2 +- tools/objtool/include/objtool/cfi.h | 2 + tools/objtool/include/objtool/check.h | 10 +- tools/objtool/include/objtool/elf.h | 9 +- tools/objtool/include/objtool/objtool.h | 1 + tools/objtool/objtool.c | 1 + tools/objtool/orc_gen.c | 15 +- tools/objtool/special.c | 8 - 84 files changed, 2519 insertions(+), 953 deletions(-) create mode 100644 arch/x86/entry/entry.S create mode 100644 arch/x86/kvm/vmx/run_flags.h