KVM: ppc: Handle guest idle by emulating MSR[WE] writes
This reduces host CPU usage when the guest is idle. However, the guest must
set MSR[WE] in its idle loop, which Linux did not do until 2.6.26.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/include/asm-powerpc/kvm_host.h b/include/asm-powerpc/kvm_host.h
index 04ffbb8..81a69d7 100644
--- a/include/asm-powerpc/kvm_host.h
+++ b/include/asm-powerpc/kvm_host.h
@@ -59,6 +59,7 @@
u32 emulated_inst_exits;
u32 dec_exits;
u32 ext_intr_exits;
+ u32 halt_wakeup;
};
struct tlbe {