Messages in this thread Patch in this message | | | Date | Wed, 15 Jan 2014 17:25:55 +0800 | From | Michael wang <> | Subject | Re: [BUG] [ tip/sched/core ] System unresponsive after booting |
| |
Hi, Daniel
On 01/15/2014 04:27 PM, Daniel Lezcano wrote: [snip] > commit d50dde5a10f305253cbc3855307f608f8a3c5f73 > Author: Dario Faggioli <raistlin@linux.it> > Date: Thu Nov 7 14:43:36 2013 +0100 > > sched: Add new scheduler syscalls to support an extended scheduling > parameters ABI > > Add the syscalls needed for supporting scheduling algorithms > with extended scheduling parameters (e.g., SCHED_DEADLINE).
Will this do any helps?
Regards, Michael Wang
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 0326c06..bf4a6ed 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3464,6 +3464,10 @@ int sched_setscheduler(struct task_struct *p, int policy, .sched_policy = policy, .sched_priority = param->sched_priority }; + + if (fair_policy(policy)) + attr.sched_nice = PRIO_TO_NICE(attr.sched_priority); + return __sched_setscheduler(p, &attr, true); } EXPORT_SYMBOL_GPL(sched_setscheduler); @@ -3494,6 +3498,10 @@ int sched_setscheduler_nocheck(struct task_struct *p, int policy, .sched_policy = policy, .sched_priority = param->sched_priority }; + + if (fair_policy(policy)) + attr.sched_nice = PRIO_TO_NICE(attr.sched_priority); + return __sched_setscheduler(p, &attr, false); }
> > > [ ... ] > > > Signed-off-by: Dario Faggioli <raistlin@linux.it> > [ Rewrote to use sched_attr. ] > Signed-off-by: Juri Lelli <juri.lelli@gmail.com> > [ Removed sched_setscheduler2() for now. ] > Signed-off-by: Peter Zijlstra <peterz@infradead.org> > Link: > http://lkml.kernel.org/r/1383831828-15501-3-git-send-email-juri.lelli@gmail.com > > Signed-off-by: Ingo Molnar <mingo@kernel.org> >
| |