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authorRadim Krčmář <rkrcmar@redhat.com>2014-03-11 19:11:18 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2014-03-12 18:21:10 +0100
commit596f3142d2b7be307a1652d59e7b93adab918437 (patch)
treed48dead1f93b9766d14d4ccb9e0cb3b462ba9de4 /include
parent6cbde8253a8143ada18ec0d1711230747a7c1934 (diff)
downloadlinux-linaro-stable-596f3142d2b7be307a1652d59e7b93adab918437.tar.gz
KVM: SVM: fix cr8 intercept window
We always disable cr8 intercept in its handler, but only re-enable it if handling KVM_REQ_EVENT, so there can be a window where we do not intercept cr8 writes, which allows an interrupt to disrupt a higher priority task. Fix this by disabling intercepts in the same function that re-enables them when needed. This fixes BSOD in Windows 2008. Cc: <stable@vger.kernel.org> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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