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KVM: vmx: handle_cr ignores 32/64-bit mode
authorNadav Amit <namit@cs.technion.ac.il>
Wed, 18 Jun 2014 14:19:25 +0000 (17:19 +0300)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 19 Jun 2014 10:52:15 +0000 (12:52 +0200)
commit1e32c07955b43e7f827174bf320ed35971117275
treea1479742bd802791c1d71b456296ef2ea6ff7d64tree | snapshot (tar.gz zip)
parenta449c7aa51e10c9bde0ea9bee4e682d6d067ebabcommit | diff
KVM: vmx: handle_cr ignores 32/64-bit mode

On 32-bit mode only bits [31:0] of the CR should be used for setting the CR
value.  Otherwise, the host may incorrectly assume the value is invalid if bits
[63:32] are not zero.  Moreover, the CR is currently being read twice when CR8
is used.  Last, nested mov-cr exiting is modified to handle the CR value
correctly as well.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx.c diff | blob | blame | history