linux-kernel - Re: crash: IP: [<ffffffff80478092>] __bitmap

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Date:	Thu, 15 Jan 2009 11:14:28 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Travis <travis@....com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Tony Luck <tony.luck@...el.com>,
	IA64 <linux-ia64@...r.kernel.org>,
	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>,
	linux-am33-list@...hat.com,
	"David S. Miller" <davem@...emloft.net>,
	SPARC <sparclinux@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: crash: IP: [<ffffffff80478092>] __bitmap_intersects+0x48/0x73
	[PATCH supplied]


* Mike Travis <travis@....com> wrote:

> Ingo Molnar wrote:
> > also, with latest tip/master the ia64 cross-build still fails:
> > 
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c: In function `ia64_handle_irq':
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:498: error: structure has no member named `irqs'
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:500: error: structure has no member named `irqs'
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c: In function `ia64_process_pending_intr':
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:556: error: structure has no member named `irqs'
> > /home/mingo/tip/arch/ia64/kernel/irq_ia64.c:558: error: structure has no member named `irqs'
> > make[2]: *** [arch/ia64/kernel/irq_ia64.o] Error 1
> > make[2]: *** Waiting for unfinished jobs....
> > 
> > and so does the MIPS build:
> > 
> > /home/mingo/tip/arch/mips/sgi-ip22/ip22-int.c: In function 'indy_buserror_irq':
> > /home/mingo/tip/arch/mips/sgi-ip22/ip22-int.c:158: error: 'struct kernel_stat' has no member named 'irqs'
> > make[2]: *** [arch/mips/sgi-ip22/ip22-int.o] Error 1
> > make[2]: *** Waiting for unfinished jobs....
> > /home/mingo/tip/arch/mips/sgi-ip22/ip22-time.c: In function 'indy_8254timer_irq':
> > /home/mingo/tip/arch/mips/sgi-ip22/ip22-time.c:125: error: 'struct kernel_stat' has no member named 'irqs'
> > make[2]: *** [arch/mips/sgi-ip22/ip22-time.o] Error 1
> > make[1]: *** [arch/mips/sgi-ip22] Error 2
> > make[1]: *** Waiting for unfinished jobs....
> > 
> > 	Ingo
> 
> Hi Ingo,
> 
> This appears to be a fallout of the sparse irqs changes.  Here is a 
> suggested patch.
> 
> Btw, my ia64 build fails under tip/cpus4096 because this commit is not 
> present:
> 
> commit e65e49d0f3714f4a6a42f6f6a19926ba33fcda75
> Author: Mike Travis <travis@....com>
> Date:   Mon Jan 12 15:27:13 2009 -0800
> 
>     irq: update all arches for new irq_desc

it is present:

 [mingo@...a tip]$ git log cpus4096 | grep e65e49d
 commit e65e49d0f3714f4a6a42f6f6a19926ba33fcda75

	Ingo
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