Xen does not currently support SME for PV guests. Clear the SME CPU
capability in order to avoid any ambiguity.
Reviewed-by: Borislav Petkov <b...@suse.de>
Reviewed-by: Juergen Gross <jgr...@suse.com>
Signed-off-by: Tom Lendacky <thomas.lenda...@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
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