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Subject[PATCH RFC V4 1/3] kvm/config: Add config to support ple or cpu relax optimzation
From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>

Suggested-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
---
arch/s390/kvm/Kconfig | 1 +
arch/x86/kvm/Kconfig | 1 +
virt/kvm/Kconfig | 3 +++
3 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index 78eb984..a6e2677 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 a28f338..45c044f 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
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index 28694f4..d01b24b 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -21,3 +21,6 @@ config KVM_ASYNC_PF

config HAVE_KVM_MSI
bool
+
+config HAVE_KVM_CPU_RELAX_INTERCEPT
+ bool


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