Messages in this thread Patch in this message | | | From | Tom Lendacky <> | Subject | [PATCH v9 32/38] xen/x86: Remove SME feature in PV guests | Date | Fri, 07 Jul 2017 08:44:08 -0500 |
| |
Xen does not currently support SME for PV guests. Clear the SME CPU capability in order to avoid any ambiguity.
Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> --- 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 a136aac..57da6b2 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); /* * Xen PV would need some work to support PCID: CR3 handling as well
| |