linux-kernel - Re: [git pull] sparseirq / irq updates for v2.6.29

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Message-ID: <86802c440812281523q6fafc095t7e44fb5cc625e57c@mail.gmail.com>
Date:	Sun, 28 Dec 2008 15:23:53 -0800
From:	"Yinghai Lu" <yinghai@...nel.org>
To:	"Linus Torvalds" <torvalds@...ux-foundation.org>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"KOSAKI Motohiro" <kosaki.motohiro@...il.com>,
	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Jesse Barnes" <jbarnes@...tuousgeek.org>
Subject: Re: [git pull] sparseirq / irq updates for v2.6.29

On Sun, Dec 28, 2008 at 3:11 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
>
> On Sat, 27 Dec 2008, Ingo Molnar wrote:
>>
>> well, it's a regression that is being worked on: certain buggy GCC
>> versions (unclear yet what scope but quite rare it appears) optimize out
>> __weak function calls incorrectly.
>
> We've hit that kind of bug before, haven't we? I think the solution last
> time was to make sure that the __weak function is never in the same
> compilation unit as a call to it.

good, will try have another one for test.

YH
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