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Peter Anvin" , , , Changbin Du Subject: [PATCH] x86: use HW_BREAKPOINT_RW where possible Date: Tue, 8 Nov 2022 10:12:52 +0800 Message-ID: <20221108021252.605986-1-changbin.du@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.110.54.157] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500013.china.huawei.com (7.221.188.120) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DATE_IN_FUTURE_12_24, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748832412405005168?= X-GMAIL-MSGID: =?utf-8?q?1748832412405005168?= Use enum HW_BREAKPOINT_RW where possible instead of individual (HW_BREAKPOINT_R | HW_BREAKPOINT_W). Signed-off-by: Changbin Du --- 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: