The patch titled
A minor fix for set_mb() in Documentation/memory-barriers.txt
has been added to the -mm tree. Its filename is
a-minor-fix-for-set_mb-in-documentation-memory-barrierstxt.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: A minor fix for set_mb() in Documentation/memory-barriers.txt
From: Oleg Nesterov <oleg@xxxxxxxxxx>
set_mb() is used by set_current_state() which needs mb(), not wmb(). I
think it would be right to assume that set_mb() implies mb(), all arches
seem to do just this.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
Documentation/memory-barriers.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN Documentation/memory-barriers.txt~a-minor-fix-for-set_mb-in-documentation-memory-barrierstxt Documentation/memory-barriers.txt
--- a/Documentation/memory-barriers.txt~a-minor-fix-for-set_mb-in-documentation-memory-barrierstxt
+++ a/Documentation/memory-barriers.txt
@@ -1016,7 +1016,7 @@ There are some more advanced barrier fun
(*) set_mb(var, value)
- This assigns the value to the variable and then inserts at least a write
+ This assigns the value to the variable and then inserts a full memory
barrier after it, depending on the function. It isn't guaranteed to
insert anything more than a compiler barrier in a UP compilation.
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
lockdep-fix-delayacct-locking-bug.patch
a-minor-fix-for-set_mb-in-documentation-memory-barrierstxt.patch
taskstats_exit_alloc-optimize-simplify.patch
taskstats-cleanup-do_exit-path.patch
taskstats-cleanup-signal-stats-allocation.patch
taskstats-factor-out-reply-assembling.patch
taskstats-use-nla_reserve-for-reply-assembling.patch
taskstats-cleanup-reply-assembling.patch
tty-signal-tty-locking.patch
do_task_stat-dont-take-tty_mutex.patch
do_acct_process-dont-take-tty_mutex.patch
trivial-make-set_special_pids-static.patch
sys_unshare-remove-a-broken-clone_sighand-code.patch
sys_setpgid-eliminate-unnecessary-do_each_task_pidpidtype_pgid.patch
session_of_pgrp-kill-unnecessary-do_each_task_pidpidtype_pgid.patch
pidhash-temporary-debug-checks.patch
-
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