[PATCH v7 32/36] xen/x86: Remove SME feature in PV guests
Tom Lendacky
thomas.lendacky at amd.com
Fri Jun 16 11:55:54 PDT 2017
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 at 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 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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