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

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Message-ID: <20081227173839.GA9793@elte.hu>
Date:	Sat, 27 Dec 2008 18:38:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	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


* KOSAKI Motohiro <kosaki.motohiro@...il.com> wrote:

> > ------------------>
> > Ingo Molnar (2):
> >      sparseirq: do not printk when migrating IRQ descriptors
> >      sparseirq: fix desc->lock init
> >
> > KOSAKI Motohiro (4):
> >      hrtimer: remove #include <linux/irq.h>
> >      irq: for_each_irq_desc() move to irqnr.h
> >      proc: remove ifdef CONFIG_SPARSE_IRQ from stat.c
> >      irq: simplify for_each_irq_desc() usage
> >
> > Yinghai Lu (4):
> >      sparseirq: remove duplicated arch_early_irq_init()
> >      sparseirq: work around compiler optimizing away __weak functions
> 
> Unfortunately, this workaround doesn't workaround.
> Kamalesh reported kernel still crashes.

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.

	Ingo
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