Date: Sun, 28 Dec 2008 15:11:40 -0800 (PST)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [git pull] sparseirq / irq updates for v2.6.29
In-Reply-To: <20081227173839.GA9793@elte.hu>
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References: <20081225160741.GA14486@elte.hu> <20081227133240.GA8716@elte.hu> <2f11576a0812270927taef068fobbad997dc5e5aacf@mail.gmail.com> <20081227173839.GA9793@elte.hu>
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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.

			Linus
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