linux-kernel - Re: [GIT]: Sparc

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Message-ID: <20080422002652.GU27459@ZenIV.linux.org.uk>
Date:	Tue, 22 Apr 2008 01:26:52 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	David Miller <davem@...emloft.net>
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT]: Sparc

On Mon, Apr 21, 2008 at 05:16:19PM -0700, David Miller wrote:

> The only platforms defining a non-NOP __emul_prefix() after this
> sparc changeset are:
> 
> 1) IA-64 for PER_LINUX32 --> /emul/ia32-linux/
> 2) MIPS for riscos and IRIX compat support
> 3) ARM for ARM_BSD_EMUL --> "usr/gnemul/bsd", yikes no leading slash
>    in that path!
> 
> I bet if we really tried we could get rid of these things.

By killing altroot-related code in fs/namei.c, which is what I'm going to
do _anyway_.  If somebody really needs a working replacement, I would
very much suggest starting with figuring out the desired semantics; frankly,
I suspect that having native wrapper for their ld.so might be much better
idea as far as the location of libraries is concerned, with chroot and
bindings doing the rest.
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