From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Dave Jones <davej@codemonkey.org.uk>, Duncan Sands <baldrick@wanadoo.fr>
Cc: Andrew Morton <akpm@digeo.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: BUGed to death
Date: Tue, 15 Apr 2003 07:39:02 -0700 [thread overview]
Message-ID: <70400000.1050417541@[10.10.2.4]> (raw)
In-Reply-To: <20030415120457.GA11998@suse.de>
> > It is questionable. Since even in core kernel code there are
> > many places with
> > if (cond)
> > BUG();
> > rather than
> > BUG_ON(cond);
> > it may be worth seeing if converting them makes a difference
> > (increases code size though).
>
> The spinlock code sticks out as a possible good target.
> Any takers for benchmarking ?
I can try that ... However, do I have to use gcc > 3 to see anything?
I had some vague recollection that unlikely() doesn't do much for gcc 2.95,
is that correct?
M.
next prev parent reply other threads:[~2003-04-15 14:27 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-14 20:19 Martin J. Bligh
2003-04-14 20:40 ` Duncan Sands
2003-04-14 21:02 ` Dave Jones
2003-04-14 21:10 ` Duncan Sands
2003-04-14 21:17 ` Dave Jones
2003-04-15 11:57 ` Duncan Sands
2003-04-15 12:05 ` Dave Jones
2003-04-15 14:39 ` Martin J. Bligh [this message]
2003-04-23 15:08 ` Duncan Sands
2003-04-14 21:00 ` Dave Jones
2003-04-14 20:55 ` Martin J. Bligh
2003-04-14 21:08 ` Dave Jones
2003-04-14 21:50 ` Andrew Morton
2003-04-14 21:55 ` Dave Jones
2003-04-15 0:23 ` H. Peter Anvin
2003-04-15 12:01 ` Duncan Sands
2003-04-15 12:31 ` Jens Axboe
2003-04-15 12:36 ` Dave Jones
2003-04-15 12:40 ` Jens Axboe
2003-04-15 12:49 ` Sean Neakums
2003-04-15 12:52 ` Sean Neakums
2003-04-15 13:01 ` Roman Zippel
2003-04-15 13:17 ` Jens Axboe
2003-04-15 13:55 ` Duncan Sands
2003-04-15 14:22 ` Jens Axboe
2003-04-15 14:35 ` Martin J. Bligh
2003-04-15 14:39 ` Duncan Sands
2003-04-15 14:45 ` Martin J. Bligh
2003-04-15 14:58 ` Duncan Sands
2003-04-15 14:30 rwhron
2003-04-15 15:57 ` Dave Jones
2003-04-15 16:11 ` Nick Piggin
2003-04-15 16:42 ` Michael Buesch
2003-04-15 16:45 ` Dave Jones
2003-04-15 18:33 Chuck Ebbert
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