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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: juri.lelli@redhat.com, mark.rutland@arm.com, geert+renesas@glider.be, peterz@infradead.org, catalin.marinas@arm.com, bsegall@google.com, will@kernel.org, mpe@ellerman.id.au, linux@armlinux.org.uk, dietmar.eggemann@arm.com, ben.dooks@codethink.co.uk, mgorman@suse.de, Liang Chen , huangtao@rock-chips.com, keescook@chromium.org, anshuman.khandual@arm.com, rostedt@goodmis.org, tglx@linutronix.de, surenb@google.com, mingo@redhat.com, allison@lohutok.net, linux-arm-kernel@lists.infradead.org, wad@chromium.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, luto@amacapital.net, george_davis@mentor.com, sudeep.holla@arm.com, akpm@linux-foundation.org, info@metux.net, kstewart@linuxfoundation.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Liang Chen Changelog: v1: wait_task_inactive() frequently call schedule_hrtimeout() and spend a lot of time, i am trying to optimize it on rockchip platform. v2: Use atomic_flags(PFA) instead of TIF flag, and add some comments. Liang Chen (1): sched/fair: do not preempt current task if it is going to call schedule() include/linux/sched.h | 5 +++++ kernel/kthread.c | 4 ++++ kernel/sched/fair.c | 13 +++++++++++++ 3 files changed, 22 insertions(+) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel