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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2014-01-04 18:47:15 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-01-17 10:22:09 +0100 |
| commit | 9926c9fdbdd54bb229fe6fdbd15ca3af2b8425ae (patch) | |
| tree | 77292ce4d04ab4b253186d388ff8567cf7ecad9e /arch/x86 | |
| parent | e984097b553ed2d6551c805223e4057421370f00 (diff) | |
| download | blackbird-op-linux-9926c9fdbdd54bb229fe6fdbd15ca3af2b8425ae.tar.gz blackbird-op-linux-9926c9fdbdd54bb229fe6fdbd15ca3af2b8425ae.zip | |
KVM: x86: Sync DR7 on KVM_SET_DEBUGREGS
Whenever we change arch.dr7, we also have to call kvm_update_dr7. In
case guest debugging is off, this will synchronize the new state into
hardware.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0b3fd809a3c7..59907c9a9d05 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2976,6 +2976,7 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); vcpu->arch.dr6 = dbgregs->dr6; vcpu->arch.dr7 = dbgregs->dr7; + kvm_update_dr7(vcpu); return 0; } |
