sparc64: Initial hw perf counter support.
Only supports one simple counter and only UltraSPARC-IIIi chips.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h
index c7d11e4..72e6500 100644
--- a/arch/sparc/include/asm/nmi.h
+++ b/arch/sparc/include/asm/nmi.h
@@ -7,4 +7,7 @@
extern atomic_t nmi_active;
+extern void start_nmi_watchdog(void *unused);
+extern void stop_nmi_watchdog(void *unused);
+
#endif /* __NMI_H */
diff --git a/arch/sparc/include/asm/perf_counter.h b/arch/sparc/include/asm/perf_counter.h
index 38d6445..5d7a8ca 100644
--- a/arch/sparc/include/asm/perf_counter.h
+++ b/arch/sparc/include/asm/perf_counter.h
@@ -5,4 +5,10 @@
#define PERF_COUNTER_INDEX_OFFSET 0
+#ifdef CONFIG_PERF_COUNTERS
+extern void init_hw_perf_counters(void);
+#else
+static inline void init_hw_perf_counters(void) { }
+#endif
+
#endif