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authorJan Kiszka <jan.kiszka@siemens.com>2008-10-20 10:20:03 +0200
committerAvi Kivity <avi@redhat.com>2008-12-31 16:51:47 +0200
commitcc6e462cd54e64858ea25816df87d033229efe56 (patch)
tree3f34b8be2ec3eb63e06c223b1d75d7068a717318 /virt
parent8fdb2351d51b040146f10a624387bbd102d851c0 (diff)
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>
Diffstat (limited to 'virt')
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