Commit 81fcfb81 authored by Alexey Kardashevskiy's avatar Alexey Kardashevskiy Committed by Benjamin Herrenschmidt

hashtable: add hash_for_each_possible_rcu_notrace()

This adds hash_for_each_possible_rcu_notrace() which is basically
a notrace clone of hash_for_each_possible_rcu() which cannot be
used in real mode due to its tracing/debugging capability.
Signed-off-by: default avatarAlexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 8b5ede69
...@@ -173,6 +173,21 @@ static inline void hash_del_rcu(struct hlist_node *node) ...@@ -173,6 +173,21 @@ static inline void hash_del_rcu(struct hlist_node *node)
hlist_for_each_entry_rcu(obj, &name[hash_min(key, HASH_BITS(name))],\ hlist_for_each_entry_rcu(obj, &name[hash_min(key, HASH_BITS(name))],\
member) member)
/**
* hash_for_each_possible_rcu_notrace - iterate over all possible objects hashing
* to the same bucket in an rcu enabled hashtable in a rcu enabled hashtable
* @name: hashtable to iterate
* @obj: the type * to use as a loop cursor for each entry
* @member: the name of the hlist_node within the struct
* @key: the key of the objects to iterate over
*
* This is the same as hash_for_each_possible_rcu() except that it does
* not do any RCU debugging or tracing.
*/
#define hash_for_each_possible_rcu_notrace(name, obj, member, key) \
hlist_for_each_entry_rcu_notrace(obj, \
&name[hash_min(key, HASH_BITS(name))], member)
/** /**
* hash_for_each_possible_safe - iterate over all possible objects hashing to the * hash_for_each_possible_safe - iterate over all possible objects hashing to the
* same bucket safe against removals * same bucket safe against removals
......
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