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Kroah-Hartman wrote: > 6.12-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: "Borislav Petkov (AMD)" > > [ Upstream commit 716f86b523d8ec3c17015ee0b03135c7aa6f2f08 ] > > SRSO_USER_KERNEL_NO denotes whether the CPU is affected by SRSO across > user/kernel boundaries. Advertise it to guest userspace. > > Signed-off-by: Borislav Petkov (AMD) > Reviewed-by: Nikolay Borisov > Link: https://lore.kernel.org/r/20241202120416.6054-3-bp@kernel.org > Signed-off-by: Harshit Mogalapalli > Signed-off-by: Greg Kroah-Hartman > --- > Boris Ostrovsky suggested that we backport this commit to 6.12.y as we > have commit: 6f0f23ef76be ("KVM: x86: Add IBPB_BRTYPE support") in 6.12.y > > Hi borislav: Can you please ACK before stable maintainers pick this ? > Signed-off-by: Greg Kroah-Hartman > --- ^^^ I think we should skip this part after first --- Also, I haven't yet got ACK from Borislav, so should we defer ? Thanks, Harshit > arch/x86/kvm/cpuid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -816,7 +816,7 @@ void kvm_set_cpu_caps(void) > F(NO_NESTED_DATA_BP) | F(LFENCE_RDTSC) | 0 /* SmmPgCfgLock */ | > F(VERW_CLEAR) | > F(NULL_SEL_CLR_BASE) | F(AUTOIBRS) | 0 /* PrefetchCtlMsr */ | > - F(WRMSR_XX_BASE_NS) > + F(WRMSR_XX_BASE_NS) | F(SRSO_USER_KERNEL_NO) > ); > > kvm_cpu_cap_check_and_set(X86_FEATURE_SBPB); > >