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From: Andrew Morton <akpm@osdl.org>
To: kenneth.w.chen@intel.com, geoff@linux.jf.intel.com,
	linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: [RFC] [PATCH] Performance of del_timer_sync
Date: Tue, 11 May 2004 12:30:58 -0700	[thread overview]
Message-ID: <20040511123058.7bd47df3.akpm@osdl.org> (raw)
In-Reply-To: <20040511122859.33c763ef.akpm@osdl.org>

Andrew Morton <akpm@osdl.org> wrote:
>
> "Chen, Kenneth W" <kenneth.w.chen@intel.com> wrote:
> >
> > >  del_again:
> >  >  	ret += del_timer(timer);
> >  > +	if (!ret)
> >  > +		return 0;
> >  >
> >  >  	for_each_cpu(i) {
> >  >  		base = &per_cpu(tvec_bases, i);
> > 
> > 
> >  Hehe ... , first thing we tried :-). But has problem that if timeout
> >  function is running while del_timer_sync() is called, it returns
> >  without waiting.
> 
> eh?  If del_timer() returns non-zero, that means that the timer was
> successfully deleted before it triggered.

s/non-zero/zero/

  reply	other threads:[~2004-05-11 19:31 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-10 22:16 [RFC] [PATCH] Performance of del_timer_sync Geoff Gustafson
2004-05-11  7:45 ` Andrew Morton
2004-05-11 18:36   ` Geoff Gustafson
2004-05-11 19:11     ` Andrew Morton
2004-05-11 19:23       ` Chen, Kenneth W
2004-05-11 19:28         ` Andrew Morton
2004-05-11 19:30           ` Andrew Morton [this message]
2004-05-11 19:58       ` Ingo Molnar
2004-05-11 20:11         ` Andrew Morton
2004-05-11 20:19           ` Christoph Hellwig
2004-05-11 20:26             ` Andrew Morton
2004-05-11 20:32               ` Ingo Molnar
2004-05-11 20:55                 ` Andrew Morton
2004-05-11 20:57                   ` Ingo Molnar
2004-05-11 21:01                     ` Chen, Kenneth W
2004-05-11 20:26           ` Ingo Molnar
2004-05-11 20:27           ` Chen, Kenneth W
2004-05-11 20:30             ` Andrew Morton
2004-05-11 20:45               ` Chen, Kenneth W
2004-05-11 20:38             ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2004-05-11 22:46 Geoff Gustafson
     [not found] <40A152A8.4080104@linux.intel.com>
2004-05-11 23:03 ` Andrew Morton

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