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From: Arnd Bergmann <arnd@arndb•de>
To: linuxppc-dev@lists•ozlabs.org
Cc: linuxppc-dev list <linuxppc-dev@ozlabs•org>,
	Timur Tabi <timur@freescale•com>
Subject: Re: [PATCH] powerpc: Add configurable -Werror for arch/powerpc
Date: Thu, 18 Jun 2009 16:22:18 +0200	[thread overview]
Message-ID: <200906181622.18349.arnd@arndb.de> (raw)
In-Reply-To: <ed82fe3e0906150754w125c6283q2468213b59c7f114@mail.gmail.com>

On Monday 15 June 2009, Timur Tabi wrote:
> On Mon, Jun 15, 2009 at 2:50 AM, Michael Ellerman<michael@ellerman•id.au> wrote:
> > arch/powerpc/platforms/chrp/setup.c:378: error: the frame size of 1040 bytes is larger than 1024 bytes
> 
> What's so bad about a frame size larger than 1024?
> 

It's not necessarily a bug, but all frame sizes in the call chain
combined must never exceed the kernel stack size. 1024 is an
arbitrary limit that we warn about for a single function, because
it's likely that things will break if you have more than one of these.

	Arnd <><

  reply	other threads:[~2009-06-18 14:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-10  6:48 [PATCH] powerpc: Add configurable -Werror for arch/powerpc Michael Ellerman
2009-06-15  7:50 ` Michael Ellerman
2009-06-15  9:40   ` Benjamin Herrenschmidt
2009-06-15 12:36     ` Michael Ellerman
2009-06-15 21:23       ` Benjamin Herrenschmidt
2009-06-15 14:54   ` Timur Tabi
2009-06-18 14:22     ` Arnd Bergmann [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-04-07  2:00 Michael Ellerman
2009-04-07  2:27 ` Olof Johansson
2009-04-07  2:28   ` David Miller
2009-04-07  2:37     ` Olof Johansson
2009-04-07  3:01   ` Michael Ellerman
2009-04-07 14:11     ` Olof Johansson
2009-04-07  7:41   ` Geert Uytterhoeven
2009-04-07  7:50     ` Stephen Rothwell
2009-04-07 15:05 ` Kumar Gala
2009-04-06  4:18 Michael Ellerman
2009-04-06 12:55 ` Kumar Gala

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