The patch titled
lockdep: missing barrier()
has been added to the -mm tree. Its filename is
lockdep-missing-barrier.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: lockdep: missing barrier()
From: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
This patch adds a barrier() to lockdep.c lockdep_recursion updates. This
variable behaves like the preemption count and should therefore use similar
memory barriers.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/lockdep.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN kernel/lockdep.c~lockdep-missing-barrier kernel/lockdep.c
--- a/kernel/lockdep.c~lockdep-missing-barrier
+++ a/kernel/lockdep.c
@@ -169,12 +169,14 @@ static struct list_head chainhash_table[
void lockdep_off(void)
{
current->lockdep_recursion++;
+ barrier();
}
EXPORT_SYMBOL(lockdep_off);
void lockdep_on(void)
{
+ barrier();
current->lockdep_recursion--;
}
_
Patches currently in -mm which might be from mathieu.desnoyers@xxxxxxxxxx are
relay-add-cpu-hotplug-support.patch
local_t-documentation.patch
local_t-documentation-fix.patch
lockdep-missing-barrier.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
