tree 5537d5a60eec3985de11cad4476ed95025051721
parent a1583d3e83cae1c58870602efc6328c34b644c01
author Thomas Gleixner <tglx@linutronix.de> 1151402100 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1151454767 -0700

[PATCH] Drop tasklist lock in do_sched_setscheduler

There is no need to hold tasklist_lock across the setscheduler call, when
we pin the task structure with get_task_struct().  Interrupts are disabled
in setscheduler anyway and the permission checks do not need interrupts
disabled.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>