linux-kernel - linux-next: manual merge of the ftrace tree with Linus' tree

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Date:	Mon, 22 Apr 2013 15:55:51 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Sasha Levin <sasha.levin@...cle.com>,
	Namhyung Kim <namhyung.kim@....com>
Subject: linux-next: manual merge of the ftrace tree with Linus' tree

Hi Steven,

Today's linux-next merge of the ftrace tree got a conflict in
kernel/trace/ftrace.c between commit b67bfe0d42ca ("hlist: drop the node
parameter from iterators") from Linus' tree and commit f1943977e664
("tracing: Get rid of unneeded key calculation in ftrace_hash_move()")
and e1df4cb682ab ("ftrace: Fix function probe to only enable needed
functions") from the ftrace tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --cc kernel/trace/ftrace.c
index b3fde6d,9b44abb..0000000
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@@ -761,9 -755,10 +754,9 @@@ ftrace_find_profiled_func(struct ftrace
  {
  	struct ftrace_profile *rec;
  	struct hlist_head *hhd;
 -	struct hlist_node *n;
  	unsigned long key;
  
- 	key = hash_long(ip, ftrace_profile_bits);
+ 	key = hash_long(ip, FTRACE_PROFILE_HASH_BITS);
  	hhd = &stat->hash[key];
  
  	if (hlist_empty(hhd))
@@@ -1371,11 -1354,7 +1363,7 @@@ ftrace_hash_move(struct ftrace_ops *ops
  	size = 1 << src->size_bits;
  	for (i = 0; i < size; i++) {
  		hhd = &src->buckets[i];
 -		hlist_for_each_entry_safe(entry, tp, tn, hhd, hlist) {
 +		hlist_for_each_entry_safe(entry, tn, hhd, hlist) {
- 			if (bits > 0)
- 				key = hash_long(entry->ip, bits);
- 			else
- 				key = 0;
  			remove_hash_entry(src, entry);
  			__add_hash_entry(new_hash, entry);
  		}
@@@ -3062,8 -3075,13 +3070,13 @@@ static voi
  __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
  				  void *data, int flags)
  {
+ 	struct ftrace_func_entry *rec_entry;
  	struct ftrace_func_probe *entry;
+ 	struct ftrace_func_probe *p;
+ 	struct ftrace_hash **orig_hash = &trace_probe_ops.filter_hash;
+ 	struct list_head free_list;
+ 	struct ftrace_hash *hash;
 -	struct hlist_node *n, *tmp;
 +	struct hlist_node *tmp;
  	char str[KSYM_SYMBOL_LEN];
  	int type = MATCH_FULL;
  	int i, len = 0;

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