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

RE: [Xen-devel] Re: [PATCH]Further release shadow lock overhead

  • To: "Tim Deegan" <Tim.Deegan@xxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Wed, 23 Jan 2008 18:04:34 +0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 23 Jan 2008 02:06:03 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AchdpsqXmkiu9o1zTDWv+oFHP5YHEAAAFVtA
  • Thread-topic: [Xen-devel] Re: [PATCH]Further release shadow lock overhead

>From: Tim Deegan [mailto:Tim.Deegan@xxxxxxxxxx] 
>Sent: 2008年1月23日 18:00
>At 23:26 +0800 on 22 Jan (1201044364), Tian, Kevin wrote:
>> At this time, it's natural to ask how about just releasing 
>the lock before
>> the point updating guest entry.
>If you mean taking the lock just before the memcpy()/cmpxchg(), it
>sounds plausible. 

Yes, exactly. I'll resend the patch after test. :-)


Xen-devel mailing list



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