Commit 24bc5fe7 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fix from Radim Krčmář:
 "Fix a regression that prevented migration between hosts with different
  XSAVE features even if the missing features were not used by the guest
  (for stable)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: do not save guest-unsupported XSAVE state
parents 412e6d3f 00c87e9a
...@@ -3182,6 +3182,7 @@ static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) ...@@ -3182,6 +3182,7 @@ static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu)
memcpy(dest, xsave, XSAVE_HDR_OFFSET); memcpy(dest, xsave, XSAVE_HDR_OFFSET);
/* Set XSTATE_BV */ /* Set XSTATE_BV */
xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE;
*(u64 *)(dest + XSAVE_HDR_OFFSET) = xstate_bv; *(u64 *)(dest + XSAVE_HDR_OFFSET) = xstate_bv;
/* /*
......
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