Messages in this thread Patch in this message | | | From | Tom Lendacky <> | Subject | [PATCH v8 RESEND 32/38] xen/x86: Remove SME feature in PV guests | Date | Tue, 27 Jun 2017 10:13:27 -0500 |
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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 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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