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authorRadim Krčmář <rkrcmar@redhat.com>2017-02-01 14:19:53 +0100
committerRadim Krčmář <rkrcmar@redhat.com>2017-02-03 18:43:08 +0100
commit00c87e9a70a17b355b81c36adedf05e84f54e10d (patch)
treef1df0f8dcba15c286da9b83e6373e4ddd2b73e5e /net/bridge
parent566cf877a1fcb6d6dc0126b076aad062054c2637 (diff)
KVM: x86: do not save guest-unsupported XSAVE state
Saving unsupported state prevents migration when the new host does not support a XSAVE feature of the original host, even if the feature is not exposed to the guest. We've masked host features with guest-visible features before, with 4344ee981e21 ("KVM: x86: only copy XSAVE state for the supported features") and dropped it when implementing XSAVES. Do it again. Fixes: df1daba7d1cb ("KVM: x86: support XSAVES usage in the host") Cc: stable@vger.kernel.org Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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