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

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Message-ID: <46319C3B.2010300@goop.org>
Date:	Thu, 26 Apr 2007 23:46:19 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
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

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.

    J
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