On Thu, Aug 24, 2023 at 04:14:56PM +0200, Greg Kroah-Hartman wrote: > This is the start of the stable review cycle for the 6.1.48 release. > There are 15 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. SRSO mitigations are probably not in the slightest bit relevant for me, but I didn't get a chance to retest the previous stable release after the build got unbricked for RISC-V, so: Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Fix for the build issue I saw should be on it's way to Linus today, so I guess the original fix you were backporting & its fix should end up back in your queue soonTM. Thanks, Conor. > > Responses should be made by Sat, 26 Aug 2023 14:14:28 +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/v6.x/stable-review/patch-6.1.48-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-6.1.y > and the diffstat can be found below. > > thanks, > > greg k-h > > ------------- > Pseudo-Shortlog of commits: > > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Linux 6.1.48-rc1 > > Borislav Petkov (AMD) <bp@xxxxxxxxx> > x86/srso: Correct the mitigation status when SMT is disabled > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > objtool/x86: Fixup frame-pointer vs rethunk > > Petr Pavlu <petr.pavlu@xxxxxxxx> > x86/retpoline,kprobes: Fix position of thunk sections with CONFIG_LTO_CLANG > > Borislav Petkov (AMD) <bp@xxxxxxxxx> > x86/srso: Disable the mitigation on unaffected configurations > > Borislav Petkov (AMD) <bp@xxxxxxxxx> > x86/CPU/AMD: Fix the DIV(0) initial fix attempt > > Sean Christopherson <seanjc@xxxxxxxxxx> > x86/retpoline: Don't clobber RFLAGS during srso_safe_ret() > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/static_call: Fix __static_call_fixup() > > Borislav Petkov (AMD) <bp@xxxxxxxxx> > x86/srso: Explain the untraining sequences a bit more > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Cleanup the untrain mess > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Rename srso_(.*)_alias to srso_alias_\1 > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Rename original retbleed methods > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Clean up SRSO return thunk mess > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/alternative: Make custom return thunk unconditional > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Fix up srso_safe_ret() and __x86_return_thunk() > > Peter Zijlstra <peterz@xxxxxxxxxxxxx> > x86/cpu: Fix __x86_return_thunk symbol type > > > ------------- > > Diffstat: > > Documentation/admin-guide/hw-vuln/srso.rst | 4 +- > Makefile | 4 +- > arch/x86/include/asm/entry-common.h | 1 + > arch/x86/include/asm/nospec-branch.h | 28 +++--- > arch/x86/kernel/cpu/amd.c | 1 + > arch/x86/kernel/cpu/bugs.c | 28 +++++- > arch/x86/kernel/static_call.c | 13 +++ > arch/x86/kernel/traps.c | 2 - > arch/x86/kernel/vmlinux.lds.S | 20 ++-- > arch/x86/kvm/svm/svm.c | 2 + > arch/x86/lib/retpoline.S | 141 ++++++++++++++++++++--------- > tools/objtool/arch/x86/decode.c | 2 +- > tools/objtool/check.c | 21 +++-- > 13 files changed, 182 insertions(+), 85 deletions(-) > >
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