linux-kernel - linux-next: build warning after merge of the final tree (tip tree related)

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Message-Id: <20130312154215.f9c3e957c2a2e510f27b826a@canb.auug.org.au>
Date:	Tue, 12 Mar 2013 15:42:15 +1100
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,
	Li Zefan <lizefan@...wei.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: linux-next: build warning after merge of the final tree (tip tree
 related)

Hi all,

After merging the final tree, today's linux-next build (sparc defconfig)
produced this warning:

In file included from kernel/sched/core.c:85:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
In file included from kernel/sched/cputime.c:7:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
In file included from kernel/sched/idle_task.c:1:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
In file included from kernel/sched/fair.c:35:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
In file included from kernel/sched/stop_task.c:1:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
In file included from kernel/sched/rt.c:6:0:
kernel/sched/sched.h:1043:39: warning: 'struct sched_domain' declared inside parameter list [enabled by default]
kernel/sched/sched.h:1043:39: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]

Probably caused by commit c82ba9fa7588 ("sched: Move struct sched_class
to kernel/sched/sched.h") from the tip tree which removed a forward
declaration of "struct sched_domain" from include/linux/sched.h - the
read declaration is protected by CONFIG_SMP (which is not set for this
build).

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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