[PATCH 08/21] KVM: x86: Use DR7_GD macro instead of open coding check in emulator

Sean Christopherson
2022-03-11T03:28:50Z

Use DR7_GD in the emulator instead of open coding the check, and drop a
comically wrong comment.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/emulate.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a60b4d20b309..648a0687120d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4148,8 +4148,7 @@ static int check_dr7_gd(struct x86_emulate_ctxt *ctxt)

ctxt->ops->get_dr(ctxt, 7, &dr7);

- /* Check if DR7.Global_Enable is set */
- return dr7 & (1 << 13);
+ return dr7 & DR7_GD;
}

static int check_dr_read(struct x86_emulate_ctxt *ctxt)
--
2.35.1.723.g4982287a31-goog