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RE: [Xen-ia64-devel] [PATCH] Fix context switch to idle domain


  • To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Tue, 20 Dec 2005 15:49:37 +0800
  • Delivery-date: Tue, 20 Dec 2005 07:52:10 +0000
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcYFLBOawevxKqGVQQyZg+6dQEcnTgADcGbw
  • Thread-topic: [Xen-ia64-devel] [PATCH] Fix context switch to idle domain

Hi, Dan,
        Please ignore this mail due to a typo on ivt table. I've resent the 
patch in another mail. ;-)

Thanks,
Kevin

>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Tian, Kevin
>Sent: 2005年12月20日 14:10
>To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-ia64-devel] [PATCH] Fix context switch to idle domain
>
>Don't change ivt table and vhpt table when switching to idle domain, or
>else we have to restore region registers too. Actually this change can
>also improve performance a bit, since idle domain can inherit most of
>prev's environment.
>
>Without this change, we kept seeing vhpt fault when running host SMP
>with multiple domains.
>
>Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx>
>
>Thanks,
>Kevin

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