[PATCH 3/4] kvm: cpuid: fix xsave area size of XSAVEC

[Wanpeng Li]

XSAVEC also use the compacted format for the extended region
of the XSAVE area. This patch fix it by caculate the size of 
XSAVEC extended region of XSAVE area as compact format.

Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxxxxxx>
---
 arch/x86/kvm/cpuid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 70f0fa1..e16a0c7 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -92,7 +92,7 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
 	}
 
 	best = kvm_find_cpuid_entry(vcpu, 0xD, 1);
-	if (best && (best->eax & F(XSAVES)))
+	if (best && (best->eax & (F(XSAVES) || F(XSAVEC))))
 		best->ebx = xstate_required_size(vcpu->arch.xcr0, true);
 
 	/*
-- 
1.9.1

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