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From: Yong Zhang <yong.zhang0@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Ingo Molnar" <mingo@elte.hu>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
	"Mike Galbraith" <mgalbraith@suse.de>,
	"Luis Claudio R. Gon�alves" <lgoncalv@redhat.com>,
	"Matthew Hank Sabins" <msabins@linux.vnet.ibm.com>,
	"Gregory Haskins" <gregory.haskins@gmail.com>,
	"Andrew Morton" <akpm@linux-foundation.org>
Subject: Re: [PATCH][GIT PULL] sched/cpupri: Remove the vec->lock
Date: Fri, 5 Aug 2011 16:20:08 +0800	[thread overview]
Message-ID: <20110805082008.GA6628@zhy> (raw)
In-Reply-To: <1312317372.18583.101.camel@gandalf.stny.rr.com>

On Tue, Aug 02, 2011 at 04:36:12PM -0400, Steven Rostedt wrote:
> diff --git a/kernel/sched_cpupri.h b/kernel/sched_cpupri.h
> index 9fc7d38..6b4cd17 100644
> --- a/kernel/sched_cpupri.h
> +++ b/kernel/sched_cpupri.h
> @@ -12,9 +12,8 @@
>  /* values 2-101 are RT priorities 0-99 */
>  
>  struct cpupri_vec {
> -	raw_spinlock_t lock;
> -	int        count;
> -	cpumask_var_t mask;
> +	atomic_t	count;
> +	cpumask_var_t	mask;
>  };
>  
>  struct cpupri {

So cpupri->pri_active and macro CPUPRI_NR_PRI_WORDS is not needed any more?

Thanks,
Yong

-- 
Only stand for myself

  parent reply	other threads:[~2011-08-05  8:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-02 20:36 [PATCH][GIT PULL] sched/cpupri: Remove the vec->lock Steven Rostedt
2011-08-03 14:18 ` Hillf Danton
2011-08-03 14:49   ` Steven Rostedt
2011-08-05 13:16     ` Hillf Danton
2011-08-03 14:29 ` Peter Zijlstra
2011-08-04 20:32 ` [PATCH] cpupri: Fix memory barriers for vec updates to always be in order Steven Rostedt
2011-08-05 12:27   ` [PATCH v2] " Steven Rostedt
2011-08-14 16:12     ` [tip:sched/core] sched/cpupri: " tip-bot for Steven Rostedt
2011-08-05  8:20 ` Yong Zhang [this message]
2011-08-05 12:30   ` [PATCH][GIT PULL] sched/cpupri: Remove the vec->lock Steven Rostedt
2011-08-05 14:38     ` [PATCH] sched/cpupri: Remove cpupri->pri_active Yong Zhang
2011-08-05 15:26       ` Steven Rostedt
2011-08-06  0:10         ` [PATCH V2] " Yong Zhang
2011-08-14 16:13           ` [tip:sched/core] " tip-bot for Yong Zhang

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