From e6c2a80d3111cc6fb992d78b242619706d99bc6b Mon Sep 17 00:00:00 2001 From: Liu, Jinsong Date: Mon, 10 Sep 2012 06:55:39 +0800 Subject: [PATCH] KVM: KVM enable depends 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 --- arch/x86/kvm/Kconfig | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index a28f338..65657ec 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: -- 1.7.1