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RE: [Xen-devel] x86_64 SLES 9 SP2 build break

To: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "Ryan Harper" <ryanh@xxxxxxxxxx>
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 19 Aug 2005 19:17:00 +0100
Cc: David F Barrera <dfbp@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 19 Aug 2005 18:15:15 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcWk6N0Zg2OTbd74R1iFEe4xd3wo8wAAF3bgAAAvF3A=
Thread-topic: [Xen-devel] x86_64 SLES 9 SP2 build break

 

> No, we _do_ need HOTPLUG_CPU for x86_64 smp. The build 
> problem is not a big deal.

It would be good to port Steven's SMP_ALTERNATIVES patch to x86_64 too.
[it dynamically NOP's LOCK prefixes on spinlocks if there's only one
active CPU]

Thanks,
Ian

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