linux-kernel - Re: [PATCH 4/8] kgdb: COPTIMIZE flag

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Message-ID: <20080209171605.GC15568@infradead.org>
Date:	Sat, 9 Feb 2008 12:16:05 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	jason.wessel@...driver.com
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 4/8] kgdb: COPTIMIZE flag

On Sat, Feb 09, 2008 at 07:35:10AM -0600, jason.wessel@...driver.com wrote:
> From: Jason Wessel <jason.wessel@...driver.com>
> 
> This patch adds in the ability to unoptimize a single kernel module to
> make source stepping more linear and not optimize out variables that
> the developer might like to inspect.  It used with adding
> COPTIMIZE=-O0 to the build line when doing something like a single
> kernel module only build.  Or you could use it to override the default
> optimization level entirely.

This seems a bit unrelated to kgdb, but fine to me in general.  Please
run it past Sam, the kbuild maintainer.

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