tree 2de57537b6c789cb583262d381c92d2640defe0d
parent b48aa97e38206a84bf8485e7c553412274708ce5
author Marcelo Tosatti <mtosatti@redhat.com> 1354066144 -0200
committer Marcelo Tosatti <mtosatti@redhat.com> 1354066155 -0200

KVM: x86: update pvclock area conditionally, on cpu migration

As requested by Glauber, do not update kvmclock area on vcpu->pcpu
migration, in case the host has stable TSC.

This is to reduce cacheline bouncing.

Acked-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>