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IB/qib: Eliminate divide/mod in converting idx to egr buf pointer
authorMike Marciniszyn <mike.marciniszyn@qlogic.com>
Fri, 23 Sep 2011 17:16:39 +0000 (13:16 -0400)
committerRoland Dreier <roland@purestorage.com>
Fri, 21 Oct 2011 16:38:52 +0000 (09:38 -0700)
The context init now saves a shift from rcvegrbufs_perchunk
rcvegrbufs_perchunk_shift using ilog2.   A BUG_ON() protects the
power of 2 assumption.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

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