09.09.24 17:28, Jan Beulich:
--- a/xen/arch/x86/include/asm/cpuidle.h
+++ b/xen/arch/x86/include/asm/cpuidle.h
@@ -15,7 +15,14 @@ extern void (*lapic_timer_on)(void);
extern uint64_t (*cpuidle_get_tick)(void);
+#ifdef CONFIG_INTEL
int mwait_idle_init(struct notifier_block *nfb);
+#else
+static inline int mwait_idle_init(struct notifier_block *nfb)
+{
+ return -ENOSYS;
+}
As mentioned elsewhere before - please don't abuse ENOSYS. Seeing how the
function is used I even wonder why it has return type "int".
I guess it probably should be -ENODEV, i.e. what mwait_idle_probe()
returns for unknown CPU id.
-Sergiy
