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[Xen-devel] Re: [GIT PULL RFC] pvclock cleanups and pvclock vsyscall sup

To: Avi Kivity <avi@xxxxxxxxxx>
Subject: [Xen-devel] Re: [GIT PULL RFC] pvclock cleanups and pvclock vsyscall support
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Sun, 18 Oct 2009 17:44:17 +0900
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, kurt.hackel@xxxxxxxxxx, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Chris Mason <chris.mason@xxxxxxxxxx>
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On 10/18/09 17:23, Avi Kivity wrote:
>> On the other hand, there's nothing to stop us from moving to multiple
>> pages in future (either to support NUMA placement, or just more than 64
>> cpus).
>>    
>
> I'm already allocating multiple pages, so we'd just need to adjust the
> fixmap.

Are you changing pvclock_init_vsyscall() to allocate more pages?  More
fixmap slots should be no problem.

    J

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