On 16/06/17 20:55, Tom Lendacky wrote:
> Xen does not currently support SME for PV guests. Clear the SME cpu
> capability in order to avoid any ambiguity.
> 
> Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>

Reviewed-by: Juergen Gross <jgr...@suse.com>


Juergen

> ---
>  arch/x86/xen/enlighten_pv.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
> index f33eef4..e6ecf42 100644
> --- a/arch/x86/xen/enlighten_pv.c
> +++ b/arch/x86/xen/enlighten_pv.c
> @@ -294,6 +294,7 @@ static void __init xen_init_capabilities(void)
>       setup_clear_cpu_cap(X86_FEATURE_MTRR);
>       setup_clear_cpu_cap(X86_FEATURE_ACC);
>       setup_clear_cpu_cap(X86_FEATURE_X2APIC);
> +     setup_clear_cpu_cap(X86_FEATURE_SME);
>  
>       if (!xen_initial_domain())
>               setup_clear_cpu_cap(X86_FEATURE_ACPI);
> 
> 


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