1 files changed, 20 insertions, 28 deletions
diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h
index 5cea672243f6..00707630788d 100644
--- a/kernel/trace/trace_probe_tmpl.h
+++ b/kernel/trace/trace_probe_tmpl.h
@@ -98,6 +98,26 @@ fetch_store_symstring(unsigned long addr, void *dest, void *base)
 	return sprint_symbol(__dest, addr);
 }
 
+/* common part of process_fetch_insn*/
+static nokprobe_inline int
+process_common_fetch_insn(struct fetch_insn *code, unsigned long *val)
+{
+	switch (code->op) {
+	case FETCH_OP_IMM:
+		*val = code->immediate;
+		break;
+	case FETCH_OP_COMM:
+		*val = (unsigned long)current->comm;
+		break;
+	case FETCH_OP_DATA:
+		*val = (unsigned long)code->data;
+		break;
+	default:
+		return -EILSEQ;
+	}
+	return 0;
+}
+
 /* From the 2nd stage, routine is same */
 static nokprobe_inline int
 process_fetch_insn_bottom(struct fetch_insn *code, unsigned long val,
@@ -253,31 +273,3 @@ store_trace_args(void *data, struct trace_probe *tp, void *rec,
 		}
 	}
 }
-
-static inline int
-print_probe_args(struct trace_seq *s, struct probe_arg *args, int nr_args,
-		 u8 *data, void *field)
-{
-	void *p;
-	int i, j;
-
-	for (i = 0; i < nr_args; i++) {
-		struct probe_arg *a = args + i;
-
-		trace_seq_printf(s, " %s=", a->name);
-		if (likely(!a->count)) {
-			if (!a->type->print(s, data + a->offset, field))
-				return -ENOMEM;
-			continue;
-		}
-		trace_seq_putc(s, '{');
-		p = data + a->offset;
-		for (j = 0; j < a->count; j++) {
-			if (!a->type->print(s, p, field))
-				return -ENOMEM;
-			trace_seq_putc(s, j == a->count - 1 ? '}' : ',');
-			p += a->type->size;
-		}
-	}
-	return 0;
-}