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(¤t->delays->lock);
> > + *total += ns;
> > + (*count)++;
> > + spin_unlock(¤t->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
next prev parent 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 [Patch 1/8] Setup 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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