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 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html