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Date: Tue, 18 Jun 2002 02:26:30 +1000
From: Rusty Russell <rusty@rustcorp.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: rml@mvista.com, alan@lxorguk.ukuu.org.uk, davem@redhat.com,
       linux-kernel@vger.kernel.org
Subject: Re: [patch] 2.4.19-pre10-ac2: O(1) scheduler merge, -A3.
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On Mon, 17 Jun 2002 05:24:30 +0200 (CEST)
Ingo Molnar <mingo@elte.hu> wrote:

> > >  - sched_setaffinity() & sched_getaffinity() syscalls on x86.
> >
> > Do we want to introduce this into 2.4 now?  I realize 2.4-ac is not 2.4
> > proper, but if there is a chance this interface could change...
> 
> the setaffinity()/getaffinity() interface looks pretty robust, i dont
> expect any changes

There's one coming.  In 2.5.soon, you'll need to handle the "CPU going away"
signal, otherwise your process will abort as someone downs a CPU.

The problem with backporting one and not the other, is that apps can't be
written correctly for 2.4 and 2.5 8(

Rusty.
-- 
   there are those who do and those who hang on and you don't see too
   many doers quoting their contemporaries.  -- Larry McVoy
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