From 14901df46a327f7b019ebd9897e5adabf6e08fff Mon Sep 17 00:00:00 2001 Message-Id: <14901df46a327f7b019ebd9897e5adabf6e08fff.1596234184.git.zanussi@kernel.org> In-Reply-To: <378ee68279f6a7631221f2670a9298620148690d.1596234183.git.zanussi@kernel.org> References: <378ee68279f6a7631221f2670a9298620148690d.1596234183.git.zanussi@kernel.org> From: Scott Wood Date: Fri, 24 Jan 2020 06:11:47 -0500 Subject: [PATCH 317/329] sched: migrate_enable: Remove __schedule() call Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.135-rt60.tar.xz [ Upstream commit b8162e61e9a33bd1de6452eb838fbf50a93ddd9a ] We can rely on preempt_enable() to schedule. Besides simplifying the code, this potentially allows sequences such as the following to be permitted: migrate_disable(); preempt_disable(); migrate_enable(); preempt_enable(); Suggested-by: Sebastian Andrzej Siewior Signed-off-by: Scott Wood Reviewed-by: Steven Rostedt (VMware) Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt (VMware) --- kernel/sched/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 098e88f7a216..0fa94ebdce85 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7346,7 +7346,6 @@ void migrate_enable(void) stop_one_cpu_nowait(task_cpu(p), migration_cpu_stop, arg, work); tlb_migrate_finish(p->mm); - __schedule(true); } out: -- 2.17.1