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Re: [PATCH] lib: Consolidate DEBUG_STACK_USAGE option

To: Stephen Boyd <>
Subject: Re: [PATCH] lib: Consolidate DEBUG_STACK_USAGE option
From: Benjamin Herrenschmidt <>
Date: Thu, 19 May 2011 13:32:07 +1000
Cc: Andrew Morton <>,,,,,,,, Chris Metcalf <>,,,,
In-reply-to: <>
Original-recipient: rfc822;
References: <>
On Fri, 2011-05-06 at 22:57 -0700, Stephen Boyd wrote:
> Most arches define CONFIG_DEBUG_STACK_USAGE exactly the same way.
> Move it to lib/Kconfig.debug so each arch doesn't have to define
> it. This obviously makes the option generic, but that's fine
> because the config is already used in generic code.
> It's not obvious to me that sysrq-P actually does anything
> different with this option enabled, but I erred on the side of
> caution by keeping the most inclusive wording.

Sorry for the delay...

For powerpc:

Acked-by: Benjamin Herrenschmidt <>


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