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Re: [hack] sched: create PREEMPT_VOLUNTARY_RT and some RT specific resched points

From Mike Galbraith <umgwanakikbuti@gmail.com>
Newsgroups linux.kernel
Subject Re: [hack] sched: create PREEMPT_VOLUNTARY_RT and some RT specific resched points
Date 2015-08-09 13:00 +0200
Message-ID <pVwuB-3GQ-3@gated-at.bofh.it> (permalink)
References (7 earlier) <pRwjv-4xK-1@gated-at.bofh.it> <pRXWq-2jR-1@gated-at.bofh.it> <pRZlw-4dj-19@gated-at.bofh.it> <pS1dE-6TS-7@gated-at.bofh.it> <pVv5w-1Ni-5@gated-at.bofh.it>
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Damn, the hunk below was supposed to go away before hack escaped.

The whole thing is just a "could we maybe...", but just in case anybody
plays with it, that hunk proved to be a bad idea, kill it.

> --- a/kernel/softirq.c
> +++ b/kernel/softirq.c
> @@ -280,6 +280,8 @@ asmlinkage __visible void __do_softirq(v
>  		}
>  		h++;
>  		pending >>= softirq_bit;
> +		if (need_resched_rt() && current != this_cpu_ksoftirqd())
> +			break;



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[hack] sched: create PREEMPT_VOLUNTARY_RT and some RT specific  resched points Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-08-09 11:30 +0200
  Re: [hack] sched: create PREEMPT_VOLUNTARY_RT and some RT specific  resched points Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-08-09 13:00 +0200

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