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Re: crash: IP: [<ffffffff80478092>] __bitmap_intersects+0x48/0x73 [PATCH

To: Mike Travis <travis@sgi.com>
Subject: Re: crash: IP: [<ffffffff80478092>] __bitmap_intersects+0x48/0x73 [PATCH supplied]
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 15 Jan 2009 11:14:28 +0100
Cc: Rusty Russell <rusty@rustcorp.com.au>, Yinghai Lu <yinghai@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, Tony Luck <tony.luck@intel.com>, IA64 <linux-ia64@vger.kernel.org>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org, David Howells <dhowells@redhat.com>, Koichi Yasutake <yasutake.koichi@jp.panasonic.com>, linux-am33-list@redhat.com, "David S. Miller" <davem@davemloft.net>, SPARC <sparclinux@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>
In-reply-to: <496E78BA.5040609@sgi.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <496BF6D5.9030403@sgi.com> <20090113130048.GB31147@elte.hu> <496CAF5A.3010304@sgi.com> <496D0F46.2010907@sgi.com> <496D2172.6030608@sgi.com> <20090114165431.GA18826@elte.hu> <20090114165524.GA21742@elte.hu> <20090114175126.GA21078@elte.hu> <496E78BA.5040609@sgi.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.18 (2008-05-17)
* Mike Travis <travis@sgi.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@sgi.com>
> Date:   Mon Jan 12 15:27:13 2009 -0800
> 
>     irq: update all arches for new irq_desc

it is present:

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

        Ingo

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