diff options
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7f9a395c5254..b72777ff32a9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig | |||
@@ -586,23 +586,18 @@ config PARAVIRT_TIME_ACCOUNTING | |||
586 | 586 | ||
587 | source "arch/x86/xen/Kconfig" | 587 | source "arch/x86/xen/Kconfig" |
588 | 588 | ||
589 | config KVM_CLOCK | ||
590 | bool "KVM paravirtualized clock" | ||
591 | select PARAVIRT | ||
592 | select PARAVIRT_CLOCK | ||
593 | ---help--- | ||
594 | Turning on this option will allow you to run a paravirtualized clock | ||
595 | when running over the KVM hypervisor. Instead of relying on a PIT | ||
596 | (or probably other) emulation by the underlying device model, the host | ||
597 | provides the guest with timing infrastructure such as time of day, and | ||
598 | system time | ||
599 | |||
600 | config KVM_GUEST | 589 | config KVM_GUEST |
601 | bool "KVM Guest support" | 590 | bool "KVM Guest support (including kvmclock)" |
591 | select PARAVIRT | ||
602 | select PARAVIRT | 592 | select PARAVIRT |
593 | select PARAVIRT_CLOCK | ||
594 | default y if PARAVIRT_GUEST | ||
603 | ---help--- | 595 | ---help--- |
604 | This option enables various optimizations for running under the KVM | 596 | This option enables various optimizations for running under the KVM |
605 | hypervisor. | 597 | hypervisor. It includes a paravirtualized clock, so that instead |
598 | of relying on a PIT (or probably other) emulation by the | ||
599 | underlying device model, the host provides the guest with | ||
600 | timing infrastructure such as time of day, and system time | ||
606 | 601 | ||
607 | source "arch/x86/lguest/Kconfig" | 602 | source "arch/x86/lguest/Kconfig" |
608 | 603 | ||