tree 5537a081738e0002f4346f04aa6cf132d90f2837
parent b8759e917e9c78ef35c10a79ce47c5889306aaa8
author Hariprasad Shenai <hariprasad@chelsio.com> 1449549553 +0530
committer David S. Miller <davem@davemloft.net> 1449632595 -0500

cxgb4: Use ACCES_ONCE macro to read queue's consumer index

Use helper macro ACCESS_ONCE() to load from the SGE status page
to prevent the compiler loading multiple times.

Based on original work by Mike Werner <werner@chelsio.com>

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>