From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 20 Oct 2008 08:20:03 +0000 (+0200)
Subject: KVM: x86: Optimize NMI watchdog delivery
X-Git-Tag: v2.6.29-rc1~539^2~113
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc6e462cd54e64858ea25816df87d033229efe56;p=pandora-kernel.git

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>
---

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