From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> 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@xxxxxxxxxxx> --- arch/x86/kvm/x86.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1dc0359..5f75230 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2988,6 +2988,7 @@ 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; } -- 1.8.1.1.298.ge7eed54 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html