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

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Date:	Tue, 12 Mar 2013 13:16:21 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	<linux-next@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: linux-next: build warning after merge of the final tree (tip
 tree related)

On 2013/3/12 12:42, Stephen Rothwell wrote:
> 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).
> 

Should be fixed by this, and it has been queued in tip:sched/core

Commit-ID:  b719203b846284e77f5c50fca04b458b6484aeae
Gitweb:     http://git.kernel.org/tip/b719203b846284e77f5c50fca04b458b6484aeae
Author:     Li Zefan <lizefan@...wei.com>
AuthorDate: Thu, 7 Mar 2013 10:00:26 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 11 Mar 2013 09:07:24 +0100

sched: Fix update_group_power() prototype placement to fix build warning when !CONFIG_SMP

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