KVM: Expose a version 2 architectural PMU to a guests
Use perf_events to emulate an architectural PMU, version 2.
Based on PMU version 1 emulation by Avi Kivity.
[avi: adjust for cpuid.c]
[jan: fix anonymous field initialization for older gcc]
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index ca4d49e..1a7fe86 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -35,6 +35,7 @@
select KVM_MMIO
select TASKSTATS
select TASK_DELAY_ACCT
+ select PERF_EVENTS
---help---
Support hosting fully virtualized guest machines using hardware
virtualization extensions. You will need a fairly recent