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KVM: x86: DR0-DR3 are not clear on reset
authorNadav Amit <namit@cs.technion.ac.il>
Thu, 2 Apr 2015 00:10:37 +0000 (03:10 +0300)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 8 Apr 2015 08:47:03 +0000 (10:47 +0200)
DR0-DR3 are not cleared as they should during reset and when they are set from
userspace.  It appears to be caused by c77fb5fe6f03 ("KVM: x86: Allow the guest
to run with dirty debug registers").

Force their reload on these situations.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Message-Id: <1427933438-12782-4-git-send-email-namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_host.h patch | blob | history
arch/x86/kvm/x86.c patch | blob | history

diff --cc arch/x86/include/asm/kvm_host.h
Simple merge
diff --cc arch/x86/kvm/x86.c
Simple merge
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