linux-kernel - linux-next: build failure after merge of the percpu tree

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Message-ID: <20140827142243.6277eaff@canb.auug.org.au>
Date:	Wed, 27 Aug 2014 14:22:43 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Tejun Heo <tj@...nel.org>, Rusty Russell <rusty@...tcorp.com.au>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Lameter <cl@...ux.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>
Subject: linux-next: build failure after merge of the percpu tree

Hi all,

After merging the percpu tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

In file included from arch/powerpc/include/asm/xics.h:9:0,
                 from arch/powerpc/kernel/asm-offsets.c:47:
include/linux/interrupt.h:372:0: warning: "set_softirq_pending" redefined
 #define set_softirq_pending(x) (local_softirq_pending() = (x))
 ^
In file included from include/linux/hardirq.h:8:0,
                 from include/linux/memcontrol.h:24,
                 from include/linux/swap.h:8,
                 from include/linux/suspend.h:4,
                 from arch/powerpc/kernel/asm-offsets.c:24:
arch/powerpc/include/asm/hardirq.h:25:0: note: this is the location of the previous definition
 #define set_softirq_pending(x) __this_cpu_write(irq_stat._softirq_pending, (x))
 ^

I got lots (and lots :-() of these and some were considered errors
(powerpc is built with -Werr in arch/powerpc).

Caused by commit 5828f666c069 ("powerpc: Replace __get_cpu_var uses").

I have used the percpu tree from next-20140826 for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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