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Re: [Xen-devel] [PATCH] Allow Hypervisor build with more than 64 CPUs
| To: | Bill Burns <bburns@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Allow Hypervisor build with more than 64 CPUs |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Sun, 17 Aug 2008 11:23:25 +0100 |
| Cc: | |
| Delivery-date: | Sun, 17 Aug 2008 03:23:52 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] Allow Hypervisor build with more than 64 CPUs |
| User-agent: | Microsoft-Entourage/11.4.0.080122 |
On 15/8/08 20:26, "Bill Burns" <bburns@xxxxxxxxxx> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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