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Date: Mon, 19 Jun 2006 15:05:47 -0700
From: Andrew Morton <akpm@osdl.org>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: mingo@elte.hu, arjan@infradead.org, linux-kernel@vger.kernel.org,
       schwidefsky@de.ibm.com
Subject: Re: [patch 8/8] lock validator: add s390 to supported options
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Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
>
>  config DEBUG_SPINLOCK_ALLOC
>  	bool "Spinlock debugging: detect incorrect freeing of live spinlocks"
> -	depends on DEBUG_SPINLOCK && X86
> +	depends on DEBUG_SPINLOCK && (X86 || S390)

Can we please stomp this out before it starts to look like
CONFIG_FRAME_POINTER?

We should define CONFIG_ARCH_SUPPORTS_LOCKDEP down in
arch/[i386|x86_64|s390]/Kconfig and use that in lib/Kconfig.debug.