[Xen-devel] Request to backport 23511:450f1d198e1e to testing br

To:	"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.xen@xxxxxxxxx>
Subject:	[Xen-devel] Request to backport 23511:450f1d198e1e to testing branches.
From:	Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:	Wed, 9 Nov 2011 10:30:05 +0000
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c/s 23511:450f1d198e1e prevents cache flushing on AMD Valencia CPUs.

The result of not having this changeset, which we see on our new
hardware, is that HVM operations proceed at a glacial pace. (1 minute
for HVM bios to start, 3 minutes between booting memtest and it actually
starting to test memory.  Attempting to install windows gets very boring
very quickly.)

The patch applies cleanly to xen-4.1-testing.

-- 
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com


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[Xen-devel] Request to backport 23511:450f1d198e1e to testing branches.