linux-kernel - Re: [PATCH 11/25] xen: Xen SMP guest support

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Date:	Fri, 27 Apr 2007 11:10:34 +0200
From:	Andi Kleen <ak@...e.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	virtualization@...ts.osdl.org, lkml <linux-kernel@...r.kernel.org>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 11/25] xen: Xen SMP guest support

On Friday 27 April 2007 08:46:19 Jeremy Fitzhardinge wrote:
> Andi Kleen wrote:
> >> +/* VCPUs are single-cored, and have no siblings */
> >> +static void set_cpu_sibling_map(int cpu)
> >>     
> >
> > Can you put this somewhere generic and use it everywhere? Don't want
> > duplication of this code.
> >   
> 
> Are there any other users?  This is a very cutdown version of the code
> in kernel/smpboot.c; under Xen all CPUs are considered to be
> single-cored and single-threaded, so there's not a lot to do here.

I would like to have a single place to set that up, with xen calling
it with single arguments and the normal code with complex ones

-Andi
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