KVM: VMX: Avoid vmwrite(HOST_RSP) when possible
authorAvi Kivity <avi@qumranet.com>
Thu, 17 Jul 2008 15:04:30 +0000 (18:04 +0300)
committerAvi Kivity <avi@qumranet.com>
Wed, 15 Oct 2008 08:15:15 +0000 (10:15 +0200)
Usually HOST_RSP retains its value across guest entries.  Take advantage
of this and avoid a vmwrite() when this is so.

Signed-off-by: Avi Kivity <avi@qumranet.com>

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