tree f1caf8f77980f74766c26e5bf1ce9a140fd17b2d
parent 03717e3d12b625268848414e39beda25e4515692
author David S. Miller <davem@davemloft.net> 1257481473 -0800
committer David S. Miller <davem@davemloft.net> 1257481473 -0800

sparc64: Add a comment about why we only use certain memory barriers these days.

Based upon feedback from Mathieu Desnoyers.

Signed-off-by: David S. Miller <davem@davemloft.net>