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From: Balbir Singh <balbir@in.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net,
	jlan@engr.sgi.com
Subject: Re: [Patch 1/8] Setup
Date: Tue, 9 May 2006 09:26:09 +0530	[thread overview]
Message-ID: <20060509035609.GD784@in.ibm.com> (raw)
In-Reply-To: <20060508142322.71e88a54.akpm@osdl.org>

On Mon, May 08, 2006 at 02:23:22PM -0700, Andrew Morton wrote:
> Balbir Singh <balbir@in.ibm.com> wrote:
> >
> > +static inline void delayacct_end(struct timespec *start, struct timespec *end,
> > +				u64 *total, u32 *count)
> > +{
> > +	struct timespec ts = {0, 0};
> > +	s64 ns;
> > +
> > +	do_posix_clock_monotonic_gettime(end);
> > +	timespec_sub(&ts, start, end);
> > +	ns = timespec_to_ns(&ts);
> > +	if (ns < 0)
> > +		return;
> > +
> > +	spin_lock(&current->delays->lock);
> > +	*total += ns;
> > +	(*count)++;
> > +	spin_unlock(&current->delays->lock);
> > +}
> 
> - too large to be inlined

I will un-inline it.

> 
> - The initialisation of `ts' is unneeded (maybe it generated a bogus
>   warning, but it won't do that if you switch timespec_sub to
>   return-by-value)

gcc-4.1 does generate a bogus warning. I will switch to return by value
and remove the initialization of `ts'


	Thanks,
	Balbir Singh,
	Linux Technology Center,
	IBM Software Labs

  reply	other threads:[~2006-05-09  3:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-02  6:12 Balbir Singh
2006-05-08 21:17 ` Andrew Morton
2006-05-09  3:48   ` Balbir Singh
2006-05-10 10:16   ` [PATCH][delayacct] Fix the timespec_sub() interface (was Re: [Patch 1/8] Setup) Balbir Singh
2006-05-10 10:24     ` Andrew Morton
2006-05-10 10:27       ` Balbir Singh
2006-05-10 10:58         ` Balbir Singh
2006-05-08 21:23 ` [Patch 1/8] Setup Andrew Morton
2006-05-09  3:56   ` Balbir Singh [this message]
2006-05-10 10:18   ` [PATCH][delayacct] un-inline delayacct_end(), remove initialization of ts (was Re: [Patch 1/8] Setup) Balbir Singh
2006-05-09 11:46 ` [Patch 1/8] Setup Thomas Gleixner
2006-05-09 13:20   ` [Lse-tech] " Balbir Singh
  -- strict thread matches above, loose matches on Subject: below --
2006-04-22  2:16 [Patch 0/8] per-task delay accounting Shailabh Nagar
2006-04-22  2:23 ` [Patch 1/8] Setup Shailabh Nagar
2006-04-24  2:02   ` Randy.Dunlap
2006-04-24 17:26     ` Shailabh Nagar
2006-03-30  0:32 [Patch 0/8] per-task delay accounting Shailabh Nagar
2006-03-30  0:35 ` [Patch 1/8] Setup Shailabh Nagar
2006-03-30  5:03   ` Andrew Morton
2006-03-30 15:07     ` Shailabh Nagar

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