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| author | Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> | 2012-07-18 15:37:32 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-07-23 12:00:53 +0200 |
| commit | f2a743473194a1ad44a85f8b63aeef9d63e5bf47 (patch) | |
| tree | e0051018384596656ffa5892fafcf4b1665bfdbe /arch | |
| parent | KVM: switch to symbolic name for irq_states size (diff) | |
| download | linux-f2a743473194a1ad44a85f8b63aeef9d63e5bf47.tar.xz linux-f2a743473194a1ad44a85f8b63aeef9d63e5bf47.zip | |
KVM: Add config to support ple or cpu relax optimzation
Suggested-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> # on s390x
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/kvm/Kconfig | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig index 78eb9847008f..a6e2677724e1 100644 --- a/arch/s390/kvm/Kconfig +++ b/arch/s390/kvm/Kconfig @@ -21,6 +21,7 @@ config KVM depends on HAVE_KVM && EXPERIMENTAL select PREEMPT_NOTIFIERS select ANON_INODES + select HAVE_KVM_CPU_RELAX_INTERCEPT ---help--- Support hosting paravirtualized guest machines using the SIE virtualization capability on the mainframe. This should work diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index a28f338843ea..45c044f0fff7 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -37,6 +37,7 @@ config KVM select TASK_DELAY_ACCT select PERF_EVENTS select HAVE_KVM_MSI + select HAVE_KVM_CPU_RELAX_INTERCEPT ---help--- Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent |