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authorMarcelo Tosatti <mtosatti@redhat.com>2012-08-17 00:00:19 +0400
committerMarcelo Tosatti <mtosatti@redhat.com>2012-08-23 11:57:54 +0400
commit90993cdd1800dc6ef9587431a0c625b978584e81 (patch)
tree246850e7f537b23a860523590f0a93a257fa0880 /arch/x86/Kconfig
parent4d8b81abc47b83a1939e59df2fdb0e98dfe0eedd (diff)
downloadlinux-90993cdd1800dc6ef9587431a0c625b978584e81.tar.xz
x86: KVM guest: merge CONFIG_KVM_CLOCK into CONFIG_KVM_GUEST
The distinction between CONFIG_KVM_CLOCK and CONFIG_KVM_GUEST is not so clear anymore, as demonstrated by recent bugs caused by poor handling of on/off combinations of these options. Merge CONFIG_KVM_CLOCK into CONFIG_KVM_GUEST. Reported-By: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8ec3a1aa4abd..a42e2e99caae 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -573,23 +573,18 @@ config PARAVIRT_TIME_ACCOUNTING
source "arch/x86/xen/Kconfig"
-config KVM_CLOCK
- bool "KVM paravirtualized clock"
- select PARAVIRT
- select PARAVIRT_CLOCK
- ---help---
- Turning on this option will allow you to run a paravirtualized clock
- when running over the KVM hypervisor. Instead of relying on a PIT
- (or probably other) emulation by the underlying device model, the host
- provides the guest with timing infrastructure such as time of day, and
- system time
-
config KVM_GUEST
- bool "KVM Guest support"
+ bool "KVM Guest support (including kvmclock)"
+ select PARAVIRT
select PARAVIRT
+ select PARAVIRT_CLOCK
+ default y if PARAVIRT_GUEST
---help---
This option enables various optimizations for running under the KVM
- hypervisor.
+ hypervisor. It includes a paravirtualized clock, so that instead
+ of relying on a PIT (or probably other) emulation by the
+ underlying device model, the host provides the guest with
+ timing infrastructure such as time of day, and system time
source "arch/x86/lguest/Kconfig"