KVM: x86: Use DR_TRAP_BITS instead of hard-coded 15
Make all code consistent with kvm_deliver_exception_payload() by using
appropriate symbolic constant instead of hard-coded number.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index d0d5dd4..199cd2c 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4260,7 +4260,7 @@ static int check_dr_read(struct x86_emulate_ctxt *ctxt)
ulong dr6;
ctxt->ops->get_dr(ctxt, 6, &dr6);
- dr6 &= ~15;
+ dr6 &= ~DR_TRAP_BITS;
dr6 |= DR6_BD | DR6_RTM;
ctxt->ops->set_dr(ctxt, 6, dr6);
return emulate_db(ctxt);