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Miller" , Jakub Kicinski , Mathieu Poirier , Suzuki K Poulose , Mike Leach , Alexander Shishkin , Jan Harkes , coda@cs.cmu.edu, Paul Moore , Eric Paris , Balbir Singh , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, codalist@coda.cs.cmu.edu, linux-audit@redhat.com Cc: Leo Yan Subject: [PATCH v1 0/7] pid: Introduce helper task_is_in_root_ns() Date: Sun, 5 Dec 2021 22:50:58 +0800 Message-Id: <20211205145105.57824-1-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211205_065116_867779_96E615F3 X-CRM114-Status: UNSURE ( 9.46 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The kernel uses open code to check if a process is in root PID namespace or not in several places. Suggested by Suzuki, this patch set is to create a helper function task_is_in_root_ns() so we can use it replace open code. To test this patch set, I built Arm64 kernel with enabling all relevant modules, and verified the kernel with CoreSight module on Arm64 Juno board. Leo Yan (7): pid: Introduce helper task_is_in_root_ns() coresight: etm3x: Use task_is_in_root_ns() to check PID namespace coresight: etm4x: Use task_is_in_root_ns() to check PID namespace connector/cn_proc: Use task_is_in_root_ns() to check PID namespace coda: Use task_is_in_root_ns() audit: Use task_is_in_root_ns() taskstats: Use task_is_in_root_ns() drivers/connector/cn_proc.c | 2 +- drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 8 ++++---- drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 8 ++++---- fs/coda/inode.c | 2 +- fs/coda/psdev.c | 2 +- include/linux/pid_namespace.h | 5 +++++ kernel/audit.c | 2 +- kernel/taskstats.c | 2 +- 8 files changed, 18 insertions(+), 13 deletions(-) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel