ipc,msg: document volatile r_msg
authorDavidlohr Bueso <davidlohr@hp.com>
Fri, 6 Jun 2014 21:37:46 +0000 (14:37 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 6 Jun 2014 23:08:15 +0000 (16:08 -0700)
commit4bb6657dd3a55ab507502d82dbee9db276602669
tree1f1f5f3edd91b4d7cd4244d2485fdadd794c0265
parent3440a6bd1d2eeb27276f6bd410e0902dcba09f0e
ipc,msg: document volatile r_msg

The need for volatile is not obvious, document it.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ipc/msg.c