linux-kernel - [PATCH RFC 4/5] rculist: Remove hlist_for_each_entry_rcu

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Message-Id: <20190524234933.5133-5-joel@joelfernandes.org>
Date:   Fri, 24 May 2019 19:49:32 -0400
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Ingo Molnar <mingo@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>, kvm-ppc@...r.kernel.org,
        Lai Jiangshan <jiangshanlai@...il.com>,
        linux-doc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Paul Mackerras <paulus@...abs.org>, rcu@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH RFC 4/5] rculist: Remove hlist_for_each_entry_rcu_notrace since no users

The series removes all users of the API and with this patch, the API
itself.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 .clang-format           |  1 -
 include/linux/rculist.h | 20 --------------------
 2 files changed, 21 deletions(-)

diff --git a/.clang-format b/.clang-format
index 2ffd69afc1a8..aa935923f5cb 100644
--- a/.clang-format
+++ b/.clang-format
@@ -287,7 +287,6 @@ ForEachMacros:
   - 'hlist_for_each_entry_from_rcu'
   - 'hlist_for_each_entry_rcu'
   - 'hlist_for_each_entry_rcu_bh'
-  - 'hlist_for_each_entry_rcu_notrace'
   - 'hlist_for_each_entry_safe'
   - '__hlist_for_each_rcu'
   - 'hlist_for_each_safe'
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index e91ec9ddcd30..0d3d77cf4f07 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -628,26 +628,6 @@ static inline void hlist_add_behind_rcu(struct hlist_node *n,
 		pos = hlist_entry_safe(rcu_dereference_raw(hlist_next_rcu(\
 			&(pos)->member)), typeof(*(pos)), member))
 
-/**
- * hlist_for_each_entry_rcu_notrace - iterate over rcu list of given type (for tracing)
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the hlist_node within the struct.
- *
- * This list-traversal primitive may safely run concurrently with
- * the _rcu list-mutation primitives such as hlist_add_head_rcu()
- * as long as the traversal is guarded by rcu_read_lock().
- *
- * This is the same as hlist_for_each_entry_rcu() except that it does
- * not do any RCU debugging or tracing.
- */
-#define hlist_for_each_entry_rcu_notrace(pos, head, member)			\
-	for (pos = hlist_entry_safe (rcu_dereference_raw_notrace(hlist_first_rcu(head)),\
-			typeof(*(pos)), member);			\
-		pos;							\
-		pos = hlist_entry_safe(rcu_dereference_raw_notrace(hlist_next_rcu(\
-			&(pos)->member)), typeof(*(pos)), member))
-
 /**
  * hlist_for_each_entry_rcu_bh - iterate over rcu list of given type
  * @pos:	the type * to use as a loop cursor.
-- 
2.22.0.rc1.257.g3120a18244-goog