linux-kernel - Re: [PATCH -next] optprobes: fix kconfig depends/selects

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Message-ID: <4C6AA2DF.5020301@hitachi.com>
Date:	Tue, 17 Aug 2010 23:55:27 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-next@...r.kernel.org,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH -next] optprobes: fix kconfig depends/selects

Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> KALLSYMS and KALLSYMS_ALL depend on DEBUG_KERNEL, so add that dependency.
> KALLSYMS_ALL depends on KALLSYMS, so select both of them, not just KALLSYMS_ALL.

Indeed, Thanks for pointing it!

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>

> 
> warning: (OPTPROBES && KPROBES && HAVE_OPTPROBES && !PREEMPT || MTD_UBI_DEBUG && MTD && SYSFS && MTD_UBI || UBIFS_FS_DEBUG && MISC_FILESYSTEMS && UBIFS_FS || LOCKDEP && DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT || LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects KALLSYMS_ALL which has unmet direct dependencies (DEBUG_KERNEL && KALLSYMS)
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
> Cc:	Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
> Cc:	"David S. Miller" <davem@...emloft.net>
> Cc:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
> ---
>  arch/Kconfig |    2 ++
>  1 file changed, 2 insertions(+)
> 
> --- linux-next-20100810.orig/arch/Kconfig
> +++ linux-next-20100810/arch/Kconfig
> @@ -45,6 +45,8 @@ config OPTPROBES
>  	def_bool y
>  	depends on KPROBES && HAVE_OPTPROBES
>  	depends on !PREEMPT
> +	depends on DEBUG_KERNEL
> +	select KALLSYMS
>  	select KALLSYMS_ALL
>  
>  config HAVE_EFFICIENT_UNALIGNED_ACCESS

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