linux-kernel - Re: [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM

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Message-ID: <20111021170339.GA22535@one.firstfloor.org>
Date:	Fri, 21 Oct 2011 19:03:39 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Tim Bird <tim.bird@...sony.com>,
	Russell King <rmk@....linux.org.uk>,
	Andi Kleen <andi@...stfloor.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM

> 
> I thought we now had a gcc option for this. gcc documentation points to -Wstack-usage=XXX.
> This was first introduced on s390 in architecture specific gcc code, but should now work
> everywhere.

CONFIG_FRAME_WARN=...

Has been there forever for any architecture.

-Andi
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