linux-kernel - Re: [PATCH] sched: Test runtime rather than period in global_rt

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Message-Id: <1216794328.7257.123.camel@twins>
Date:	Wed, 23 Jul 2008 08:25:28 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	roel kluin <roel.kluin@...il.com>
Cc:	mingo@...e.hu, rml@...h9.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: Test runtime rather than period in
	global_rt_runtime()

On Tue, 2008-07-22 at 16:51 -0400, roel kluin wrote:
> Peter Zijlstra wrote:
> > On Mon, 2008-07-21 at 20:28 -0400, roel kluin wrote:
> >> Peter, you added the test in global_rt_runtime(), in commit
> >> d0b27fa77854b149ad4af08b0fe47fe712a47ade
> >> could you take a look at it and tell whether this test should
> >> be replaced by something else?
> 
> >> -	if (sysctl_sched_rt_period < 0)
> 
> > Gah, I'm a moron. That should read:
> > 
> >   if (sysctl_sched_rt_runtime < 0)

Thanks!

Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

> ---
> Test runtime rather than period
> 
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> diff --git a/kernel/sched.c b/kernel/sched.c
> index 99e6d85..a73c783 100644
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -832,7 +832,7 @@ static inline u64 global_rt_period(void)
>  
>  static inline u64 global_rt_runtime(void)
>  {
> -	if (sysctl_sched_rt_period < 0)
> +	if (sysctl_sched_rt_runtime < 0)
>  		return RUNTIME_INF;
>  
>  	return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC;
> 

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