linux-kernel - Re: [PATCH] Fix build error due to not including <linux/errno.h>

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Message-Id: <20070318220148.bc223088.akpm@linux-foundation.org>
Date:	Sun, 18 Mar 2007 22:01:48 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix build error due to not including <linux/errno.h>

On Mon, 19 Mar 2007 00:44:43 +0000 Ralf Baechle <ralf@...ux-mips.org> wrote:

> On Sun, Mar 18, 2007 at 08:36:48PM -0400, Alan Stern wrote:
> 
> > Acked-by: Alan Stern <stern@...land.harvard.edu>
> > 
> > Thank you for spotting and fixing this.
> 
> It's the second time I've fixed a CONFIG_SYSFS=n bug.  Of course that
> sort of thing just shouldn't happen - but the fact that in both cases
> the bug wasn't noticed for a few days makes me wonder if we simply should
> always enable CONFIG_SYSFS at some point.
> 

If is a bit of a pain to maintain CONFIG_SYSFS=n.  But then, it's
realtively easy to fix things when they do break, and sysfs does consume
rather a lot of memory at runtime.  Hopefully someone out there is finding
SYSFS=n to be useful for deeply embedded applications.

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