[Top] [All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] xen: cache current vcpu

  • To: Christoph Egger <Christoph.Egger@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Mon, 29 Oct 2007 17:23:09 +0000
  • Delivery-date: Mon, 29 Oct 2007 10:28:15 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgaUF/6nsIZuoZDEdyYhAAX8io7RQ==
  • Thread-topic: [Xen-devel] [PATCH] xen: cache current vcpu
Gcc is quite capable of eliminating common subexpressions involving
current(), and I don't think this patch aids code readability (especially
the set_debugreg() change -- p==current means more to me than p==v).

 -- Keir

On 29/10/07 15:43, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote:

> 
> Hi!
> 
> Attached patch caches current vcpu.
> 
> Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
> 



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

 

©2013 Xen Project, A Linux Foundation Collaborative Project. All Rights Reserved.
Linux Foundation is a registered trademark of The Linux Foundation.
Xen Project is a trademark of The Linux Foundation.

Rackspace

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