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Revision ea643051

IDea64305139357e89f58fc05ff5d48dc233d44d87

Added by Jan Kiszka about 12 years ago

KVM: x86: Restrict writeback of VCPU state

Do not write nmi_pending, sipi_vector, and mpstate unless we at least go
through a reset. And TSC as well as KVM wallclocks should only be
written on full sync, otherwise we risk to drop some time on state
read-modify-write.

Signed-off-by: Jan Kiszka <>
Signed-off-by: Marcelo Tosatti <>

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