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[Xen-ia64-devel][PATCH] optimize entry and exit path

  • To: <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Xu, Anthony" <anthony.xu@xxxxxxxxx>
  • Date: Mon, 10 Jul 2006 15:24:05 +0800
  • Delivery-date: Mon, 10 Jul 2006 00:24:30 -0700
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: Acaj8dM27Di4vZFLSnmBTpMJWYKfKg==
  • Thread-topic: [Xen-ia64-devel][PATCH] optimize entry and exit path
VMM save/restore r4~r7 and unat to handle virtualization fault and mmio access,
but it is not necessary for other faults to save/restore these registers.
This patch is to save/restore these registers only when dtlb and virtualization 
fault happen.

Signed-off-by: Anthony Xu < anthony.xu@xxxxxxxxx>

Thanks,
Anthony

Attachment: entry_exit_path_optimize.patch
Description: entry_exit_path_optimize.patch

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