Hi, Daniel
On 01/15/2014 04:27 PM, Daniel Lezcano wrote:
[snip]
> commit d50dde5a10f305253cbc3855307f608f8a3c5f73
> Author: Dario Faggioli <[email protected]>
> 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 <[email protected]>
> [ Rewrote to use sched_attr. ]
> Signed-off-by: Juri Lelli <[email protected]>
> [ Removed sched_setscheduler2() for now. ]
> Signed-off-by: Peter Zijlstra <[email protected]>
> Link:
> http://lkml.kernel.org/r/[email protected]
>
> Signed-off-by: Ingo Molnar <[email protected]>
>
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