From: Jakub Jelinek <jakub@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: Adrian Bunk <bunk@stusta.de>, linux-kernel@vger.kernel.org
Subject: Re: smaller kernel with no real time futexes
Date: Wed, 1 Aug 2007 19:10:43 -0400 [thread overview]
Message-ID: <20070801231043.GP2063@devserv.devel.redhat.com> (raw)
In-Reply-To: <200708012124.34341.ak@suse.de>
On Wed, Aug 01, 2007 at 09:24:34PM +0200, Andi Kleen wrote:
> Adrian,
>
> You said earlier you're looking at smaller allnoconfig kernels.
> One thing I noticed recently that realtime pi futexes are always
> enabled and that pulls in a lot of other code (like the plists)
>
> Userland needs to handle them not being available anyways for older
> kernels.
>
> Might be worth looking into turning that into a CONFIG.
That's a very bad idea. glibc configured for 2.6.18 and higher kernels
assumes PI futexes are present.
Jakub
prev parent reply other threads:[~2007-08-01 23:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-01 19:24 smaller kernel with no real time futexes Andi Kleen
2007-08-01 23:10 ` Jakub Jelinek [this message]
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