Merge branch 'linus' into x86/cleanups

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / kvm / Kconfig

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index e4ab1c7fd925a93c4493b17e568d714586118afb..6dbdc4817d80c5bb2424236208497b5b3bde1373 100644 (file)
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -32,6 +32,17 @@ config KVM_440
 
          If unsure, say N.
 
+config KVM_EXIT_TIMING
+       bool "Detailed exit timing"
+       depends on KVM
+       ---help---
+         Calculate elapsed time for every exit/enter cycle. A per-vcpu
+         report is available in debugfs kvm/vm#_vcpu#_timing.
+         The overhead is relatively small, however it is not recommended for
+         production environments.
+
+         If unsure, say N.
+
 config KVM_TRACE
        bool "KVM trace support"
        depends on KVM && MARKERS && SYSFS