CVE-2022-29901
Alexandre Chartre (2): x86/bugs: Report AMD retbleed vulnerability x86/bugs: Add AMD retbleed= boot parameter
Andrew Cooper (1): x86/cpu/amd: Enumerate BTC_NO
Daniel Sneddon (1): x86/speculation: Add RSB VM Exit protections
Ingo Molnar (1): x86/cpufeature: Fix various quality problems in the <asm/cpu_device_hd.h> header
Josh Poimboeuf (8): x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n x86/speculation: Fix firmware entry SPEC_CTRL handling x86/speculation: Fix SPEC_CTRL write on SMT state change x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit x86/speculation: Remove x86_spec_ctrl_mask KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS KVM: VMX: Fix IBRS handling after vmexit x86/speculation: Fill RSB on vmexit for IBRS
Kan Liang (1): x86/cpufeature: Add facility to check for min microcode revisions
Mark Gross (1): x86/cpu: Add a steppings field to struct x86_cpu_id
Nathan Chancellor (1): x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current
Pawan Gupta (4): x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS x86/bugs: Add Cannon lake to RETBleed affected CPU list x86/speculation: Disable RRSBA behavior x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts
Peter Zijlstra (11): x86/nospec: Fix i386 RSB stuffing x86/cpufeatures: Move RETPOLINE flags to word 11 x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value x86/entry: Remove skip_r11rcx x86/entry: Add kernel IBRS implementation x86/bugs: Optimize SPEC_CTRL MSR writes x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation() x86/bugs: Report Intel retbleed vulnerability intel_idle: Disable IBRS during long idle x86/speculation: Change FILL_RETURN_BUFFER to work with objtool x86/common: Stamp out the stepping madness
Suleiman Souhlal (2): Revert "x86/speculation: Add RSB VM Exit protections" Revert "x86/cpu: Add a steppings field to struct x86_cpu_id"
Thomas Gleixner (2): x86/devicetable: Move x86 specific macro out of generic code x86/cpu: Add consistent CPU match macros
.../admin-guide/kernel-parameters.txt | 13 + arch/x86/entry/calling.h | 68 +++- arch/x86/entry/entry_32.S | 2 - arch/x86/entry/entry_64.S | 34 +- arch/x86/entry/entry_64_compat.S | 11 +- arch/x86/include/asm/cpu_device_id.h | 168 +++++++- arch/x86/include/asm/cpufeatures.h | 18 +- arch/x86/include/asm/intel-family.h | 6 + arch/x86/include/asm/msr-index.h | 10 + arch/x86/include/asm/nospec-branch.h | 67 ++-- arch/x86/kernel/cpu/amd.c | 21 +- arch/x86/kernel/cpu/bugs.c | 368 ++++++++++++++---- arch/x86/kernel/cpu/common.c | 72 ++-- arch/x86/kernel/cpu/match.c | 44 ++- arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/process.c | 2 +- arch/x86/kvm/svm.c | 1 + arch/x86/kvm/vmx.c | 53 ++- arch/x86/kvm/x86.c | 2 +- drivers/base/cpu.c | 8 + drivers/cpufreq/acpi-cpufreq.c | 1 + drivers/cpufreq/amd_freq_sensitivity.c | 1 + drivers/idle/intel_idle.c | 43 +- include/linux/cpu.h | 2 + include/linux/kvm_host.h | 2 +- include/linux/mod_devicetable.h | 4 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 27 files changed, 832 insertions(+), 192 deletions(-)