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 <[email protected]> --- v1 -> v2: * use | (bitwise or) instead of II (logical or) 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 5b78e9b..7d5bdb4 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 linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
