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Date: Tue, 5 Jan 2010 09:39:40 +0200
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Message-ID: <84144f021001042339r29f151feja00d7af12a82c9a2@mail.gmail.com>
Subject: Re: linux-next: tip tree build failure
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Ingo Molnar <mingo@elte.hu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
       Peter Zijlstra <peterz@infradead.org>, linux-next@vger.kernel.org,
       linux-kernel@vger.kernel.org, Thiago Farina <tfransosi@gmail.com>
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On Mon, Jan 4, 2010 at 6:32 PM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
>> Hi all,
>>
>> Today's linux-next build (s390x defconfig) failed like this:
>>
>> kernel/panic.c:134: error: 'CALLER_ADDR0' undeclared (first use in this function)
>>
>> Caused by commit eba3fe4416f3cc2ce043fb304b6c35a69dca3bdb ("kernel: Use
>> CALLER_ADDR0 macro").
>
> Thanks - apparently CALLER_ADDR0 isnt generally available. I've reverted this
> patch for now.

Btw, we have _RET_IP_ which is pretty much the same thing and it is
available everywhere (SLUB uses it).