linux-kernel - Re: [PATCH] alpha: binfmt

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Message-ID: <20090424201952.GQ8633@ZenIV.linux.org.uk>
Date:	Fri, 24 Apr 2009 21:19:52 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Henderson <rth@...ddle.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] alpha: binfmt_aout fix

On Fri, Apr 24, 2009 at 07:46:02PM +0400, Ivan Kokshaysky wrote:
> On Fri, Apr 24, 2009 at 04:05:49PM +0100, Al Viro wrote:
> > On Fri, Apr 24, 2009 at 06:47:38PM +0400, Ivan Kokshaysky wrote:
> > > Fixed by changing the registration order of the default
> > > binfmt handlers using list_add_tail() and introducing insert_binfmt()
> > > function which places new handler on the top of the binfmt list.
> > > This might be generally useful for installing arch-specific frontends
> > > for default handlers or just for overriding them.
> > 
> > Hmm...  How about always doing list_add_tail() instead?
> 
> That would fix the module case, but gets broken when binfmt_aout
> in built-in, because the generic handlers are registered pretty
> early (core_initcall) and alpha binfmt_loader is an arch_initcall.

OK, probably the easiest way to deal with that.

ACK
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