From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [PATCH] Allow Hypervisor build with more than 64 CPUs
Date: Sun, 17 Aug 2008 11:23:25 +0100
Message-ID: <C4CDBAAD.1C384%keir.fraser@eu.citrix.com>
References: <48A5D863.6000000@redhat.com>
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To: Bill Burns <bburns@redhat.com>, xen-devel <xen-devel@lists.xensource.com>
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On 15/8/08 20:26, "Bill Burns" <bburns@redhat.com> wrote:

> Trying to build the Xen hypervisor with max_phys_cpus=128
> for x86_64 fails. (Note that this was on a 3.1 base, but
> unstable appears to have the same issue).
> 
> There is a build assertion due to the size of
> the page_info structure and the shadow_page_info
> structures get out of sync due to the presence
> of cpumask_t in the page info structure (which
> grows with more than 64 CPUs).
> 
> The proposed fix is to tack on the following to
> the end of shadow_page_info structure.

This should be fixed in c/s 18324 by relaxing the BUILD_BUG_ON().

 -- Keir