]> nv-tegra.nvidia Code Review - linux-2.6.git/commit
[PATCH] Drop tasklist lock in do_sched_setscheduler
authorThomas Gleixner <tglx@linutronix.de>
Tue, 27 Jun 2006 09:55:00 +0000 (02:55 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 28 Jun 2006 00:32:47 +0000 (17:32 -0700)
commite74c69f46d93d29eea0ad8647863d1c6488f0f55
tree5537d5a60eec3985de11cad4476ed95025051721
parenta1583d3e83cae1c58870602efc6328c34b644c01
[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>
kernel/sched.c