linux-kernel - linux-next: tip tree build failure

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Date:	Fri, 12 Jun 2009 16:30:54 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: linux-next: tip tree build failure

Hi all,

Today's linux-next build (x86_64 allmodconfig) failed like this:

arch/x86/kernel/irqinit.c: In function 'apic_intr_init':
arch/x86/kernel/irqinit.c:191: error: 'MCE_SELF_VECTOR' undeclared (first use in this function)
arch/x86/kernel/irqinit.c:191: error: 'mce_self_interrupt' undeclared (first use in this function)

This code was introduced in a merge
(940010c5a314a7bd9b498593bc6ba1718ac5aec5) in the perfcounters tree that
is now in Linus' tree.  The CONFIG variable that allows it to be enabled
was introduced in commit 4efc0670baf4b14bc95502e54a83ccf639146125 ("x86,
mce: use 64bit machine check code on 32bit") in the tip/x86 tree.

The necessary define and function are introduced in commit
ccc3c3192ae78dd56dcdf5353fd1a9ef5f9a3e2b ("x86, mce: implement
bootstrapping for machine check wakeups") in the tip/x86/mce3 (mce4)
branch which is not included in Linus' tree or tip/auto-latest.

I just commented the code out for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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