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.lendacky@xxxxxxx> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> 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); > >
