From 92b5265d38f6a4d33e9d43974f176f18547687d6 Mon Sep 17 00:00:00 2001 From: "Liu, Jinsong" Date: Mon, 10 Sep 2012 06:55:39 +0800 Subject: [PATCH] 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 Signed-off-by: Avi Kivity --- arch/x86/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 45c044f..586f000 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -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: -- 2.7.4