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[Xen-ia64-devel] [PATCH] Fix xm pause/unpause bug


  • To: <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>
  • Date: Wed, 17 May 2006 14:42:31 +0800
  • Delivery-date: Tue, 16 May 2006 23:43:49 -0700
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcZ5fRKHkCmdZhKBSWC0WdtPL4G2YQ==
  • Thread-topic: [PATCH] Fix xm pause/unpause bug

This small patch intends to fix domain pause/unpause bug. Current xm
pause operation will do sync_vcpu_execstate to sync vcpu status, but it
saves dom0's fpu and other registers to VTi domain or domainU due to xm
pause from control panel. Because sync_vcpu_execstate was called after
vcpu_sleep which has saved all necessary status when schedule out ,in
addition, currently no lazy states need to be saved in IPF side, so
sync_vcpu_execstate needs to do nothing now.

Thanks
-Xiantao 

Attachment: xm_pause.patch
Description: xm_pause.patch

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