https://bugzilla.kernel.org/show_bug.cgi?id=63121
Zhou, Chao <chao.z...@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
--- Comment #3 from Zhou, Chao <chao.z...@intel.com> ---
this commit fixed the bug:
commit 46c34cb059d519601fb567b55cf45c300fea2928
Author: Paolo Bonzini <pbonz...@redhat.com>
Date: Thu Oct 17 16:50:46 2013 +0200
KVM: x86: fix KVM_SET_XCRS for CPUs that do not support XSAVE
The KVM_SET_XCRS ioctl must accept anything that KVM_GET_XCRS
could return. XCR0's bit 0 is always 1 in real processors with
XSAVE, and KVM_GET_XCRS will always leave bit 0 set even if the
emulated processor does not have XSAVE. So, KVM_SET_XCRS must
ignore that bit when checking for attempts to enable unsupported
save states.
Reviewed-by: Gleb Natapov <g...@redhat.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
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