From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Al Boldi <a1426z@gawab.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] threads_max: Simple lockout prevention patch
Date: Mon, 24 Apr 2006 19:32:09 +0300 [thread overview]
Message-ID: <1145896330.11267.13.camel@localhost> (raw)
In-Reply-To: <200604241746.43005.a1426z@gawab.com>
On Mon, 2006-04-24 at 17:46 +0300, Al Boldi wrote:
> But -O3 creates faster code w/ some strange flaws like failing nfs-boot.
> Maybe that's fixed in the latest gcc, but gcc-3.2.2 was exhibiting this bug.
> So this doesn't really help a developer to be confident about compiler
> optimization, thus taking the safe route for performance sensitive
> code-paths.
Are you talking about a real GCC bug which you must work around? If not,
please don't obfuscate the code for no good reason.
Pekka
next prev parent reply other threads:[~2006-04-24 16:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-14 20:27 [PATCH 1/1] threads_max: Simple lockout prevention patch Al Boldi
2006-01-30 13:21 ` Al Boldi
2006-04-24 4:56 ` Al Boldi
2006-04-24 5:11 ` Andrew Morton
2006-04-24 11:12 ` Al Boldi
2006-04-24 11:22 ` Pekka Enberg
2006-04-24 13:53 ` Al Boldi
2006-04-24 14:11 ` Pekka Enberg
2006-04-24 14:46 ` Al Boldi
2006-04-24 16:32 ` Pekka Enberg [this message]
2006-04-24 11:24 ` Nick Piggin
2006-04-24 13:37 ` Al Boldi
2006-04-25 7:23 ` Nick Piggin
2006-04-25 10:44 ` Al Boldi
2006-04-28 16:58 ` Al Boldi
2006-04-24 7:10 ` Theodore Ts'o
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