This is a note to let you know that I've just added the patch titled
list: introduce list_next_entry() and list_prev_entry()
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
list-introduce-list_next_entry-and-list_prev_entry.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From foo@baz Wed May 28 20:24:34 PDT 2014
From: Oleg Nesterov <[email protected]>
Date: Tue, 12 Nov 2013 15:10:01 -0800
Subject: list: introduce list_next_entry() and list_prev_entry()
From: Oleg Nesterov <[email protected]>
[ Upstream commit 008208c6b26f21c2648c250a09c55e737c02c5f8 ]
Add two trivial helpers list_next_entry() and list_prev_entry(), they
can have a lot of users including list.h itself. In fact the 1st one is
already defined in events/core.c and bnx2x_sp.c, so the patch simply
moves the definition to list.h.
Signed-off-by: Oleg Nesterov <[email protected]>
Cc: Eilon Greenstein <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 3 ---
include/linux/list.h | 16 ++++++++++++++++
kernel/events/core.c | 3 ---
3 files changed, 16 insertions(+), 6 deletions(-)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -1030,9 +1030,6 @@ static void bnx2x_set_one_vlan_mac_e1h(s
ETH_VLAN_FILTER_CLASSIFY, config);
}
-#define list_next_entry(pos, member) \
- list_entry((pos)->member.next, typeof(*(pos)), member)
-
/**
* bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
*
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -362,6 +362,22 @@ static inline void list_splice_tail_init
list_entry((ptr)->next, type, member)
/**
+ * list_next_entry - get the next element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_next_entry(pos, member) \
+ list_entry((pos)->member.next, typeof(*(pos)), member)
+
+/**
+ * list_prev_entry - get the prev element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_prev_entry(pos, member) \
+ list_entry((pos)->member.prev, typeof(*(pos)), member)
+
+/**
* list_for_each - iterate over a list
* @pos: the &struct list_head to use as a loop cursor.
* @head: the head for your list.
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1973,9 +1973,6 @@ static void __perf_event_sync_stat(struc
perf_event_update_userpage(next_event);
}
-#define list_next_entry(pos, member) \
- list_entry(pos->member.next, typeof(*pos), member)
-
static void perf_event_sync_stat(struct perf_event_context *ctx,
struct perf_event_context *next_ctx)
{
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/list-introduce-list_next_entry-and-list_prev_entry.patch
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