Files
android_kernel_xiaomi_sm8450/include/uapi/linux
Peter Zijlstra bf378d341e perf: Fix perf ring buffer memory ordering
The PPC64 people noticed a missing memory barrier and crufty old
comments in the perf ring buffer code. So update all the comments and
add the missing barrier.

When the architecture implements local_t using atomic_long_t there
will be double barriers issued; but short of introducing more
conditional barrier primitives this is the best we can do.

Reported-by: Victor Kaplansky <victork@il.ibm.com>
Tested-by: Victor Kaplansky <victork@il.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: michael@ellerman.id.au
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: anton@samba.org
Cc: benh@kernel.crashing.org
Link: http://lkml.kernel.org/r/20131025173749.GG19466@laptop.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-29 12:01:19 +01:00
..
2013-04-26 16:08:16 +10:00
2013-09-05 20:46:06 -04:00
2013-08-02 12:33:54 -07:00
2012-10-16 18:49:15 -07:00
2013-03-27 14:37:47 +00:00
2013-06-24 16:39:05 -07:00
2013-03-28 01:20:42 -04:00
2013-08-31 22:30:00 -04:00
2013-08-13 15:10:22 -07:00
2013-08-21 12:21:45 -07:00
2013-09-04 13:12:43 -04:00
2013-09-04 13:12:43 -04:00
2013-06-26 18:01:46 +09:00
2013-07-09 10:33:25 -07:00
2013-02-27 19:10:22 -08:00
2013-04-19 14:57:57 -04:00
2012-11-16 10:15:35 -08:00
2013-08-26 14:03:13 -07:00
2013-07-24 17:54:48 -07:00
2013-03-22 16:19:59 -07:00
2013-03-21 12:36:33 -04:00
2013-09-04 11:28:04 -06:00
2013-05-02 13:40:15 +03:00