From 2b571943b0de69229d8b4bd12b59a8a2518e69da Mon Sep 17 00:00:00 2001 Message-Id: <2b571943b0de69229d8b4bd12b59a8a2518e69da.1599166691.git.zanussi@kernel.org> In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org> References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org> From: Scott Wood Date: Fri, 24 Jan 2020 06:11:47 -0500 Subject: [PATCH 317/333] sched: migrate_enable: Remove __schedule() call Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.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