diff options
| author | Liu, Jinsong <jinsong.liu@intel.com> | 2012-09-09 18:55:39 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-09-10 04:10:03 -0400 |
| commit | 92b5265d38f6a4d33e9d43974f176f18547687d6 (patch) | |
| tree | f647126be65be95cce237c8c395591849b478e33 /arch/x86/kvm/Kconfig | |
| parent | 7efd8fa145c340a68a9cd758012b6e0ae4883c93 (diff) | |
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>
Diffstat (limited to 'arch/x86/kvm/Kconfig')
| -rw-r--r-- | 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 45c044f0fff7..586f00059805 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig | |||
| @@ -20,6 +20,7 @@ if VIRTUALIZATION | |||
| 20 | config KVM | 20 | config KVM |
| 21 | tristate "Kernel-based Virtual Machine (KVM) support" | 21 | tristate "Kernel-based Virtual Machine (KVM) support" |
| 22 | depends on HAVE_KVM | 22 | depends on HAVE_KVM |
| 23 | depends on HIGH_RES_TIMERS | ||
| 23 | # for device assignment: | 24 | # for device assignment: |
| 24 | depends on PCI | 25 | depends on PCI |
| 25 | # for TASKSTATS/TASK_DELAY_ACCT: | 26 | # for TASKSTATS/TASK_DELAY_ACCT: |