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

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Message-ID: <4958120F.4060804@zytor.com>
Date:	Sun, 28 Dec 2008 15:55:59 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Subject: Re: [git pull] sparseirq / irq updates for v2.6.29

Ingo Molnar wrote:
> 
> ok, agreed. I was hoping for some more generic workaround but nothing 
> seemed to keep gcc from inlining such functions.
> 

Other than blacklisting those gcc versions.  It's pretty easy to
understand how a bug like that could creep in, since one of the main
improvements of the early gcc4 series was better inlining as an
optimization.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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