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| author | Peter Williams <pwil3058@bigpond.net.au> | 2009-09-21 01:31:53 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-21 09:53:55 +0200 |
| commit | 0d721ceadbeaa24d7f9dd41b3e5e29912327a7e1 (patch) | |
| tree | 54c0c8dc201122483bdd7e8975103b07f6afd34b /kernel/sched_idletask.c | |
| parent | cb5fd13f1178dee4302646b2890d884c380160e1 (diff) | |
| download | linux-stable-0d721ceadbeaa24d7f9dd41b3e5e29912327a7e1.tar.gz linux-stable-0d721ceadbeaa24d7f9dd41b3e5e29912327a7e1.tar.bz2 linux-stable-0d721ceadbeaa24d7f9dd41b3e5e29912327a7e1.zip | |
sched: Simplify sys_sched_rr_get_interval() system call
By removing the need for it to know details of scheduling classes.
This allows PlugSched to define orthogonal scheduling classes.
Signed-off-by: Peter Williams <pwil3058@bigpond.net.au>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <06d1b89ee15a0eef82d7.1253496713@mudlark.pw.nest>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_idletask.c')
| -rw-r--r-- | kernel/sched_idletask.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c index a8b448af004b..b133a28fcde3 100644 --- a/kernel/sched_idletask.c +++ b/kernel/sched_idletask.c @@ -97,6 +97,11 @@ static void prio_changed_idle(struct rq *rq, struct task_struct *p, check_preempt_curr(rq, p, 0); } +unsigned int get_rr_interval_idle(struct task_struct *task) +{ + return 0; +} + /* * Simple, special scheduling class for the per-CPU idle tasks: */ @@ -122,6 +127,8 @@ static const struct sched_class idle_sched_class = { .set_curr_task = set_curr_task_idle, .task_tick = task_tick_idle, + .get_rr_interval = get_rr_interval_idle, + .prio_changed = prio_changed_idle, .switched_to = switched_to_idle, |