>>> On 03.12.18 at 17:18, wrote:
> --- a/xen/arch/x86/cpuid.c
> +++ b/xen/arch/x86/cpuid.c
> @@ -370,6 +370,16 @@ static void __init
> guest_common_feature_adjustments(uint32_t *fs)
> */
> if ( host_cpuid_policy.feat.ibrsb )
> __set_bit(X86_FEATURE_IBPB, fs);
> +
> +/*
>
With all other infrastructure now in place, offer X86_FEATURE_VIRT_SC_SSBD to
guests in cases where Xen thinks it has a working LEGACY_SSBD interface.
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
CC: Wei Liu
CC: Roger Pau Monné
CC: Brian Woods
---
xen/arch/x86/cpuid.c
