perf intlist: Change 'struct intlist' int member to 'unsigned long'

This is to let intlist support addresses as its payload.

One potential problem is it can't support negative number. But so far,
there is no such kind of use case.

Signed-off-by: Jin Yao <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Jin Yao <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Kan Liang <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lore.kernel.org/lkml/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/util/intlist.c

···
 static struct rb_node *intlist__node_new(struct rblist *rblist __maybe_unused,
 					 const void *entry)
 {
-	int i = (int)((long)entry);
+	unsigned long i = (unsigned long)entry;
 	struct rb_node *rc = NULL;
 	struct int_node *node = malloc(sizeof(*node));
 
···
 
 static int intlist__node_cmp(struct rb_node *rb_node, const void *entry)
 {
-	int i = (int)((long)entry);
+	unsigned long i = (unsigned long)entry;
 	struct int_node *node = container_of(rb_node, struct int_node, rb_node);
 
-	return node->i - i;
+	if (node->i > i)
+		return 1;
+	else if (node->i < i)
+		return -1;
+
+	return 0;
 }
 
-int intlist__add(struct intlist *ilist, int i)
+int intlist__add(struct intlist *ilist, unsigned long i)
 {
-	return rblist__add_node(&ilist->rblist, (void *)((long)i));
+	return rblist__add_node(&ilist->rblist, (void *)i);
 }
 
 void intlist__remove(struct intlist *ilist, struct int_node *node)
···
 }
 
 static struct int_node *__intlist__findnew(struct intlist *ilist,
-					   int i, bool create)
+					   unsigned long i, bool create)
 {
 	struct int_node *node = NULL;
 	struct rb_node *rb_node;
···
 		return NULL;
 
 	if (create)
-		rb_node = rblist__findnew(&ilist->rblist, (void *)((long)i));
+		rb_node = rblist__findnew(&ilist->rblist, (void *)i);
 	else
-		rb_node = rblist__find(&ilist->rblist, (void *)((long)i));
+		rb_node = rblist__find(&ilist->rblist, (void *)i);
 
 	if (rb_node)
 		node = container_of(rb_node, struct int_node, rb_node);
···
 	return node;
 }
 
-struct int_node *intlist__find(struct intlist *ilist, int i)
+struct int_node *intlist__find(struct intlist *ilist, unsigned long i)
 {
 	return __intlist__findnew(ilist, i, false);
 }
 
-struct int_node *intlist__findnew(struct intlist *ilist, int i)
+struct int_node *intlist__findnew(struct intlist *ilist, unsigned long i)
 {
 	return __intlist__findnew(ilist, i, true);
 }
···
 	int err;
 
 	do {
-		long value = strtol(s, &sep, 10);
+		unsigned long value = strtol(s, &sep, 10);
 		err = -EINVAL;
 		if (*sep != ',' && *sep != '\0')
 			break;

tools/perf/util/intlist.h

···
 
 struct int_node {
 	struct rb_node rb_node;
-	int i;
+	unsigned long i;
 	void *priv;
 };
 
···
 void intlist__delete(struct intlist *ilist);
 
 void intlist__remove(struct intlist *ilist, struct int_node *in);
-int intlist__add(struct intlist *ilist, int i);
+int intlist__add(struct intlist *ilist, unsigned long i);
 
 struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx);
-struct int_node *intlist__find(struct intlist *ilist, int i);
-struct int_node *intlist__findnew(struct intlist *ilist, int i);
+struct int_node *intlist__find(struct intlist *ilist, unsigned long i);
+struct int_node *intlist__findnew(struct intlist *ilist, unsigned long i);
 
-static inline bool intlist__has_entry(struct intlist *ilist, int i)
+static inline bool intlist__has_entry(struct intlist *ilist, unsigned long i)
 {
 	return intlist__find(ilist, i) != NULL;
 }

tools/perf/util/probe-event.c

···
 	}
 
 	intlist__for_each_entry(ln, lr->line_list) {
-		for (; ln->i > l; l++) {
+		for (; ln->i > (unsigned long)l; l++) {
 			ret = show_one_line(fp, l - lr->offset);
 			if (ret < 0)
 				goto end;