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bh=W7RwH/9zqVuO7aunLPsc1VxRMF+gdhsJtUopBdMSAsw=; b=bdTfa1DTpyKUZYi//NUsv0KmUe anJP2DNJaWYSPuzpPFH23thJaMsyFv8Jbt7zvncmR93bCBRlyJpTmq5grOztoxd/4nJYyMBB8th2u F67XzX1b0QvTSJ4DD44WbAiZ3nwYS3Qr263UReskHOb6nod/y2rgW3L2T0JpIgBw3ieac9QuB+sdY O3engRI3JjfW6txb2AfPefNIQhCY/NXJWMjKWnUx9Qu//eCOwtfid6RNntmT1Q4wU85Cw/PwBYtXm AyHBjuaimKsCOurTkxA2kFz+E78jZJN+MjLHkmSWYf1iOaJ6+qyrOq/0OYn1QM0mTqisJwE1SX6Fa 7vT71fsQ==; Received: from mail.loongson.cn ([114.242.206.163]) by casper.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sR7Z3-00000007lCF-4AAr for linux-arm-kernel@lists.infradead.org; Tue, 09 Jul 2024 09:55:17 +0000 Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8Cx_vD8CI1mTWACAA--.7435S3; Tue, 09 Jul 2024 17:55:08 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxqsb6CI1mgt1AAA--.17645S2; Tue, 09 Jul 2024 17:55:07 +0800 (CST) From: Tiezhu Yang To: Will Deacon , Mark Rutland , Russell King , Catalin Marinas , Oleg Nesterov , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim Cc: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/3] hw_breakpoint: Save privilege of access control via ptrace Date: Tue, 9 Jul 2024 17:55:03 +0800 Message-ID: <20240709095506.9691-1-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cxqsb6CI1mgt1AAA--.17645S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoWrtryxCrWDXrW3Zw13KF4kGrX_yoWfJwcEgF yxJ34DK3yv9F15ta4UJ3WSvF93t3y5W34Yyr1UKrZxGasIva48Zwn8AayxWwn8Xrs2vFWD Awn8urn2vrnxKosvyTuYvTs0mTUanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbS8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6F4UJVW0owAaw2AFwI0_Jrv_JF1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0c Ia020Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_ JF1lYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwCFI7km07C267AKxVWUXVWUAwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4 vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IY x2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26c xKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAF wI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07j7189UUUUU= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240709_105514_767332_FF468EF9 X-CRM114-Status: UNSURE ( 7.71 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org v3: -- Put the new member "bp_priv" lives in a union on config3 at the end of the uapi struct perf_event_attr. -- Update the commit message to make the goal common and clear. v2: -- Put the new member "bp_priv" at the end of the uapi struct perf_event_attr and add PERF_ATTR_SIZE_VER9. -- Update the commit message to make the goal clear. Tiezhu Yang (3): perf: Add perf_event_attr::bp_priv arm: hw_breakpoint: Save privilege of access control via ptrace arm64: hw_breakpoint: Save privilege of access control via ptrace arch/arm/kernel/hw_breakpoint.c | 4 +--- arch/arm/kernel/ptrace.c | 2 ++ arch/arm64/kernel/hw_breakpoint.c | 11 ++--------- arch/arm64/kernel/ptrace.c | 2 ++ include/uapi/linux/perf_event.h | 5 ++++- kernel/events/hw_breakpoint.c | 1 + 6 files changed, 12 insertions(+), 13 deletions(-)