diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2016-05-24 15:00:38 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-06-14 11:55:16 +0200 |
| commit | b316ff783d17bd6217804e2e4385ce9347d7dad9 (patch) | |
| tree | 3a9fad86e590ef5c74e4e6cc2948265d1a22dea5 /Documentation/memory-barriers.txt | |
| parent | locking/spinlock: Update spin_unlock_wait() users (diff) | |
| download | linux-dev-b316ff783d17bd6217804e2e4385ce9347d7dad9.tar.xz linux-dev-b316ff783d17bd6217804e2e4385ce9347d7dad9.zip | |
locking/spinlock, netfilter: Fix nf_conntrack_lock() barriers
Even with spin_unlock_wait() fixed, nf_conntrack_lock{,_all}() is
borken as it misses a bunch of memory barriers to order the whole
global vs local locks scheme.
Even x86 (and other TSO archs) are affected.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[ Updated the comments. ]
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/memory-barriers.txt')
0 files changed, 0 insertions, 0 deletions