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(parent: 8e59218) | patch
KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages
authorPaolo Bonzini <pbonzini@redhat.com>
Thu, 2 Apr 2015 09:04:05 +0000 (11:04 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 6 Jun 2015 15:20:48 +0000 (08:20 -0700)
commitb3aa70cdd11149c696c03ab8fc0fef13c4c07973
treea2eec586b3874b10a801b03452282ca893f5a0f1tree | snapshot
parent8e592180585c84821dad9d764b23ebc86d48aef7commit | diff
KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages

commit 898761158be7682082955e3efa4ad24725305fc7 upstream.

smep_andnot_wp is initialized in kvm_init_shadow_mmu and shadow pages
should not be reused for different values of it.  Thus, it has to be
added to the mask in kvm_mmu_pte_write.

Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kvm/mmu.c diff | blob | history
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