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(parent: fc5b7f3) | patch
KVM: x86: mask CPUID(0xD,0x1).EAX against host value
authorPaolo Bonzini <pbonzini@redhat.com>
Mon, 21 Mar 2016 11:33:00 +0000 (12:33 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Sun, 10 Apr 2016 19:53:50 +0000 (21:53 +0200)
commit316314cae15fb0e3869b76b468f59a0c83ac3d4e
tree7ee2d450b5d8972971d17542410890d8559e7a05tree | snapshot
parentfc5b7f3bf1e1414bd4e91db6918c85ace0c873a5commit | diff
KVM: x86: mask CPUID(0xD,0x1).EAX against host value

This ensures that the guest doesn't see XSAVE extensions
(e.g. xgetbv1 or xsavec) that the host lacks.

Cc: stable@vger.kernel.org
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/cpuid.c diff | blob | history
Domain: System / Kernel;