From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Andre Przywara <andre.przywara@amd.com>
Cc: xen-devel <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] x86/hvm: accelerate IO intercept handling
Date: Fri, 05 Mar 2010 15:55:17 +0000 [thread overview]
Message-ID: <C7B6D9E5.C58B%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <4B91281D.7010405@amd.com>
On 05/03/2010 15:49, "Andre Przywara" <andre.przywara@amd.com> wrote:
>> Unless the speedup on the only
>> possibly-interesting workload you mention is significant, this whole
>> optimisation seems unnecessary.
> Actually it is missing enablement.
Yes it's very important to use *every* CPU feature. ;-)
Well, the patch looks okay, and it may speed up things we care about a
percent or two I guess. I will look at it properly after 4.0 and I'm sure we
can get it in the tree.
-- Keir
prev parent reply other threads:[~2010-03-05 15:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-05 14:36 [PATCH] x86/hvm: accelerate IO intercept handling Andre Przywara
2010-03-05 14:52 ` Keir Fraser
2010-03-05 15:49 ` Andre Przywara
2010-03-05 15:55 ` Keir Fraser [this message]
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