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KVM: Fix OSXSAVE after migration
CPUID's OSXSAVE is a mirror of CR4.OSXSAVE bit. We need to update the CPUID after migration. KVM-Stable-Tag. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -5522,6 +5522,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
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mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4;
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kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
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if (sregs->cr4 & X86_CR4_OSXSAVE)
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update_cpuid(vcpu);
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if (!is_long_mode(vcpu) && is_pae(vcpu)) {
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load_pdptrs(vcpu, vcpu->arch.walk_mmu, vcpu->arch.cr3);
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mmu_reset_needed = 1;
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