Commit 92b5265d authored Sep 10, 2012 by Liu, Jinsong Committed by Avi Kivity Sep 10, 2012

KVM: Depend on HIGH_RES_TIMERS



KVM lapic timer and tsc deadline timer based on hrtimer,
setting a leftmost node to rb tree and then do hrtimer reprogram.
If hrtimer not configured as high resolution, hrtimer_enqueue_reprogram
do nothing and then make kvm lapic timer and tsc deadline timer fail.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 7efd8fa1

arch/x86/kvm/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ if VIRTUALIZATION
		config KVM
		tristate "Kernel-based Virtual Machine (KVM) support"
		depends on HAVE_KVM
		depends on HIGH_RES_TIMERS
		# for device assignment:
		depends on PCI
		# for TASKSTATS/TASK_DELAY_ACCT: