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04e7e95153
linux/kernel/sched
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Frederic Weisbecker 04e7e95153 rcu: Switch task's syscall hooks on context switch 
Clear the syscalls hook of a task when it's scheduled out so that if
the task migrates, it doesn't run the syscall slow path on a CPU
that might not need it.

Also set the syscalls hook on the next task if needed.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Alessio Igor Bogani <abogani@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Avi Kivity <avi@redhat.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Gilad Ben Yossef <gilad@benyossef.com>
Cc: Hakan Akkan <hakanakkan@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Max Krasnyansky <maxk@qualcomm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sven-Thorsten Dietrich <thebigcorporation@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2012-09-26 15:47:02 +02:00
..
auto_group.c sched: Clean up parameter passing of proc_sched_autogroup_set_nice() 2012-03-02 12:23:49 +01:00
auto_group.h
clock.c
core.c rcu: Switch task's syscall hooks on context switch 2012-09-26 15:47:02 +02:00
cpupri.c sched: Fix minor code style issues 2012-07-26 11:47:00 +02:00
cpupri.h
debug.c sched/debug: Fix printing large integers on 32-bit platforms 2012-05-14 15:05:28 +02:00
fair.c Revert "sched: Improve scalability via 'CPU buddies', which withstand random perturbations" 2012-09-16 12:29:43 -07:00
features.h sched: Fix more load-balancing fallout 2012-04-26 12:54:52 +02:00
idle_task.c sched/nohz: Rewrite and fix load-avg computation -- again 2012-07-05 20:58:13 +02:00
Makefile init_task: Create generic init_task instance 2012-05-05 13:00:21 +02:00
rt.c sched: Unthrottle rt runqueues in __disable_runtime() 2012-09-04 14:30:30 +02:00
sched.h sched: Unthrottle rt runqueues in __disable_runtime() 2012-09-04 14:30:30 +02:00
stats.c sched: Remove sched_switch 2012-01-27 13:28:53 +01:00
stats.h
stop_task.c sched: Fix migration thread runtime bogosity 2012-08-13 18:41:55 +02:00