[PATCH] x86: use HW_BREAKPOINT_RW where possible

Changbin Du posted 1 patch 3 years, 5 months ago
arch/x86/kernel/hw_breakpoint.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
[PATCH] x86: use HW_BREAKPOINT_RW where possible
Posted by Changbin Du 3 years, 5 months ago
Use enum HW_BREAKPOINT_RW where possible instead of individual
(HW_BREAKPOINT_R | HW_BREAKPOINT_W).

Signed-off-by: Changbin Du <changbin.du@huawei.com>
---
 arch/x86/kernel/hw_breakpoint.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index 668a4a6533d9..cccfb446ce80 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -213,7 +213,7 @@ int arch_bp_generic_fields(int x86_len, int x86_type,
 		*gen_type = HW_BREAKPOINT_W;
 		break;
 	case X86_BREAKPOINT_RW:
-		*gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
+		*gen_type = HW_BREAKPOINT_RW;
 		break;
 	default:
 		return -EINVAL;
@@ -347,7 +347,7 @@ static int arch_build_bp_info(struct perf_event *bp,
 	case HW_BREAKPOINT_W:
 		hw->type = X86_BREAKPOINT_WRITE;
 		break;
-	case HW_BREAKPOINT_W | HW_BREAKPOINT_R:
+	case HW_BREAKPOINT_RW:
 		hw->type = X86_BREAKPOINT_RW;
 		break;
 	case HW_BREAKPOINT_X:
-- 
2.25.1