linux-kernel - Re: [PATCH] sysctl: Deprecate sys_sysctl in a user space visible fashion.

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Message-Id: <200709020344.51437.rob@landley.net>
Date:	Sun, 2 Sep 2007 03:44:51 -0500
From:	Rob Landley <rob@...dley.net>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sysctl: Deprecate sys_sysctl in a user space visible fashion.

On Saturday 01 September 2007 5:16:03 pm Andi Kleen wrote:
> Rob Landley <rob@...dley.net> writes:
> > A lot of embedded people like to configure /proc out of the kernel for
> > space reasons.  This would make that noticeably more painful.
>
> I had a patch for a sysctl_name(2) for this a long time ago.
> If it was a serious issue that could be reintroduced.
>
> BTW sysctl(2) only needs to be quiet for a single sysctl used
> by glibc.
>
> -Andi

Yeah, I found it:
http://lkml.org/lkml/2003/7/10/345

I think that if /proc/sys could be broken out as a separate filesystem, and it 
was small and simple, the embedded people would probably be happy.  Is your 
patch significantly smaller than such a filesystem would be?  (Keeping in 
mind that the smallest thing you can do is run from initramfs, and I think 
that's pulling in libfs already...)

Rob
-- 
"One of my most productive days was throwing away 1000 lines of code."
  - Ken Thompson.
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