This is the start of the stable review cycle for the 4.14.297 release.
There are 34 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 Wed, 02 Nov 2022 07:01:32 +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/v4.x/stable-review/patch-4.14.297-r…
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Linux 4.14.297-rc1
Daniel Sneddon <daniel.sneddon(a)linux.intel.com>
x86/speculation: Add RSB VM Exit protections
Pawan Gupta <pawan.kumar.gupta(a)linux.intel.com>
x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts
Nathan Chancellor <nathan(a)kernel.org>
x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current
Pawan Gupta <pawan.kumar.gupta(a)linux.intel.com>
x86/speculation: Disable RRSBA behavior
Pawan Gupta <pawan.kumar.gupta(a)linux.intel.com>
x86/bugs: Add Cannon lake to RETBleed affected CPU list
Andrew Cooper <andrew.cooper3(a)citrix.com>
x86/cpu/amd: Enumerate BTC_NO
Peter Zijlstra <peterz(a)infradead.org>
x86/common: Stamp out the stepping madness
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Fill RSB on vmexit for IBRS
Josh Poimboeuf <jpoimboe(a)kernel.org>
KVM: VMX: Fix IBRS handling after vmexit
Josh Poimboeuf <jpoimboe(a)kernel.org>
KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Remove x86_spec_ctrl_mask
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Fix SPEC_CTRL write on SMT state change
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Fix firmware entry SPEC_CTRL handling
Josh Poimboeuf <jpoimboe(a)kernel.org>
x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n
Pawan Gupta <pawan.kumar.gupta(a)linux.intel.com>
x86/speculation: Add LFENCE to RSB fill sequence
Peter Zijlstra <peterz(a)infradead.org>
x86/speculation: Change FILL_RETURN_BUFFER to work with objtool
Peter Zijlstra <peterz(a)infradead.org>
entel_idle: Disable IBRS during long idle
Peter Zijlstra <peterz(a)infradead.org>
x86/bugs: Report Intel retbleed vulnerability
Peter Zijlstra <peterz(a)infradead.org>
x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation()
Pawan Gupta <pawan.kumar.gupta(a)linux.intel.com>
x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS
Peter Zijlstra <peterz(a)infradead.org>
x86/bugs: Optimize SPEC_CTRL MSR writes
Thadeu Lima de Souza Cascardo <cascardo(a)canonical.com>
x86/entry: Add kernel IBRS implementation
Peter Zijlstra <peterz(a)infradead.org>
x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value
Alexandre Chartre <alexandre.chartre(a)oracle.com>
x86/bugs: Add AMD retbleed= boot parameter
Alexandre Chartre <alexandre.chartre(a)oracle.com>
x86/bugs: Report AMD retbleed vulnerability
Peter Zijlstra <peterz(a)infradead.org>
x86/cpufeatures: Move RETPOLINE flags to word 11
Peter Zijlstra <peterz(a)infradead.org>
x86/entry: Remove skip_r11rcx
Mark Gross <mgross(a)linux.intel.com>
x86/cpu: Add a steppings field to struct x86_cpu_id
Thomas Gleixner <tglx(a)linutronix.de>
x86/cpu: Add consistent CPU match macros
Thomas Gleixner <tglx(a)linutronix.de>
x86/devicetable: Move x86 specific macro out of generic code
Ingo Molnar <mingo(a)kernel.org>
x86/cpufeature: Fix various quality problems in the <asm/cpu_device_hd.h> header
Kan Liang <kan.liang(a)linux.intel.com>
x86/cpufeature: Add facility to check for min microcode revisions
Suraj Jitindar Singh <surajjs(a)amazon.com>
Revert "x86/cpu: Add a steppings field to struct x86_cpu_id"
-------------
Diffstat:
Documentation/admin-guide/hw-vuln/spectre.rst | 8 +
Documentation/admin-guide/kernel-parameters.txt | 13 +
Makefile | 4 +-
arch/x86/entry/calling.h | 68 +++-
arch/x86/entry/entry_32.S | 2 -
arch/x86/entry/entry_64.S | 38 ++-
arch/x86/entry/entry_64_compat.S | 12 +-
arch/x86/include/asm/cpu_device_id.h | 168 +++++++++-
arch/x86/include/asm/cpufeatures.h | 16 +-
arch/x86/include/asm/intel-family.h | 6 +
arch/x86/include/asm/msr-index.h | 14 +
arch/x86/include/asm/nospec-branch.h | 48 +--
arch/x86/kernel/cpu/amd.c | 21 +-
arch/x86/kernel/cpu/bugs.c | 415 ++++++++++++++++++++----
arch/x86/kernel/cpu/common.c | 68 ++--
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 | 51 ++-
drivers/base/cpu.c | 8 +
drivers/cpufreq/acpi-cpufreq.c | 1 +
drivers/cpufreq/amd_freq_sensitivity.c | 1 +
drivers/idle/intel_idle.c | 45 ++-
include/linux/cpu.h | 2 +
include/linux/mod_devicetable.h | 4 +-
tools/arch/x86/include/asm/cpufeatures.h | 1 +
27 files changed, 899 insertions(+), 163 deletions(-)
