diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 11178cc..53f861c 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -444,7 +444,6 @@
 	uint32_t raddr[4];
 	int error = 0;
 
-	lock_kernel();
 	switch (cmd) {
 
 	    case PA_PERF_ON:
@@ -477,8 +476,6 @@
   	 		error = -ENOTTY;
 	}
 
-	unlock_kernel();
-
 	return error;
 }