[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] Re: [PATCH] x86/hvm: accelerate IO intercept handling


  • To: Andre Przywara <andre.przywara@xxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Fri, 05 Mar 2010 15:55:17 +0000
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 05 Mar 2010 07:56:07 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acq8e6Z+HluasPeOQ6mODsQthuxnewAAJmME
  • Thread-topic: [PATCH] x86/hvm: accelerate IO intercept handling

On 05/03/2010 15:49, "Andre Przywara" <andre.przywara@xxxxxxx> 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



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.