This is the start of the stable review cycle for the 5.4.217 release. There are 51 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 Fri, 07 Oct 2022 11:31:56 +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-5.4.217-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-5.4.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Linux 5.4.217-rc1 Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> docs: update mediator information in CoC docs Sami Tolvanen <samitolvanen@xxxxxxxxxx> Makefile.extrawarn: Move -Wcast-function-type-strict to W=1 Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Revert "drm/amdgpu: use dirty framebuffer helper" YueHaibing <yuehaibing@xxxxxxxxxx> xfs: remove unused variable 'done' Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: fix uninitialized variable in xfs_attr3_leaf_inactive Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: streamline xfs_attr3_leaf_inactive Christoph Hellwig <hch@xxxxxx> xfs: move incore structures out of xfs_da_format.h Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: fix memory corruption during remote attr value buffer invalidation Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: refactor remote attr value buffer invalidation Christoph Hellwig <hch@xxxxxx> xfs: fix IOCB_NOWAIT handling in xfs_file_dio_aio_read Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: fix s_maxbytes computation on 32-bit kernels Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: truncate should remove all blocks, not just to the end of the page cache Darrick J. Wong <darrick.wong@xxxxxxxxxx> xfs: introduce XFS_MAX_FILEOFF Christoph Hellwig <hch@xxxxxx> xfs: fix misuse of the XFS_ATTR_INCOMPLETE flag Daniel Sneddon <daniel.sneddon@xxxxxxxxxxxxxxx> x86/speculation: Add RSB VM Exit protections Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx> x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts Nathan Chancellor <nathan@xxxxxxxxxx> x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx> x86/speculation: Disable RRSBA behavior Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx> x86/bugs: Add Cannon lake to RETBleed affected CPU list 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 Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> KVM: VMX: Convert launched argument to flags Josh Poimboeuf <jpoimboe@xxxxxxxxxx> KVM: VMX: Flatten __vmx_vcpu_run() 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 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/speculation: Change FILL_RETURN_BUFFER to work with objtool 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/entry: Remove skip_r11rcx Peter Zijlstra <peterz@xxxxxxxxxxxxx> x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value 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/cpufeatures: Move RETPOLINE flags to word 11 Peter Zijlstra <peterz@xxxxxxxxxxxxx> x86/kvm/vmx: Make noinstr clean Mark Gross <mgross@xxxxxxxxxxxxxxx> x86/cpu: Add a steppings field to struct x86_cpu_id Thomas Gleixner <tglx@xxxxxxxxxxxxx> x86/cpu: Add consistent CPU match macros Thomas Gleixner <tglx@xxxxxxxxxxxxx> x86/devicetable: Move x86 specific macro out of generic code Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> Revert "x86/cpu: Add a steppings field to struct x86_cpu_id" Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx> Revert "x86/speculation: Add RSB VM Exit protections" ------------- Diffstat: Documentation/admin-guide/kernel-parameters.txt | 13 + .../process/code-of-conduct-interpretation.rst | 2 +- Makefile | 4 +- 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 | 132 +++++++- arch/x86/include/asm/cpufeatures.h | 13 +- arch/x86/include/asm/intel-family.h | 6 + arch/x86/include/asm/msr-index.h | 10 + arch/x86/include/asm/nospec-branch.h | 54 +-- arch/x86/kernel/cpu/amd.c | 21 +- arch/x86/kernel/cpu/bugs.c | 365 ++++++++++++++++----- arch/x86/kernel/cpu/common.c | 61 ++-- arch/x86/kernel/cpu/match.c | 13 +- arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/process.c | 2 +- arch/x86/kvm/svm.c | 1 + arch/x86/kvm/vmx/nested.c | 32 +- arch/x86/kvm/vmx/run_flags.h | 8 + arch/x86/kvm/vmx/vmenter.S | 161 +++++---- arch/x86/kvm/vmx/vmx.c | 72 ++-- arch/x86/kvm/vmx/vmx.h | 5 + arch/x86/kvm/x86.c | 4 +- drivers/base/cpu.c | 8 + drivers/cpufreq/acpi-cpufreq.c | 1 + drivers/cpufreq/amd_freq_sensitivity.c | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 2 - drivers/idle/intel_idle.c | 43 ++- fs/xfs/libxfs/xfs_attr.c | 2 +- fs/xfs/libxfs/xfs_attr_leaf.c | 4 +- fs/xfs/libxfs/xfs_attr_leaf.h | 26 +- fs/xfs/libxfs/xfs_attr_remote.c | 85 +++-- fs/xfs/libxfs/xfs_attr_remote.h | 2 + fs/xfs/libxfs/xfs_da_btree.h | 17 +- fs/xfs/libxfs/xfs_da_format.c | 1 + fs/xfs/libxfs/xfs_da_format.h | 59 ---- fs/xfs/libxfs/xfs_dir2.h | 2 + fs/xfs/libxfs/xfs_dir2_priv.h | 19 ++ fs/xfs/libxfs/xfs_format.h | 7 + fs/xfs/xfs_attr_inactive.c | 146 +++------ fs/xfs/xfs_file.c | 7 +- fs/xfs/xfs_inode.c | 25 +- fs/xfs/xfs_reflink.c | 3 +- fs/xfs/xfs_super.c | 48 ++- include/linux/cpu.h | 2 + include/linux/kvm_host.h | 2 +- include/linux/mod_devicetable.h | 4 +- scripts/Makefile.extrawarn | 1 + tools/arch/x86/include/asm/cpufeatures.h | 2 +- 51 files changed, 1056 insertions(+), 558 deletions(-)
