7068a717318
parent 8fdb2351d51b040146f10a624387bbd102d851c0
author Jan Kiszka <jan.kiszka@siemens.com> 1224490803 +0200
committer Avi Kivity <avi@redhat.com> 1230735107 +0200

KVM: x86: Optimize NMI watchdog delivery

As suggested by Avi, this patch introduces a counter of VCPUs that have
LVT0 set to NMI mode. Only if the counter > 0, we push the PIT ticks via
all LAPIC LVT0 lines to enable NMI watchdog support.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
ä