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IB/qib: Avoid duplicate writes to the rcv head register
author
Mike Marciniszyn
<mike.marciniszyn@qlogic.com>
Tue, 11 Jan 2011 01:42:21 +0000
(17:42 -0800)
committer
Roland Dreier
<rolandd@cisco.com>
Tue, 11 Jan 2011 01:42:21 +0000
(17:42 -0800)
Avoid duplicate writes to the head register as this can lead to lost
interrupts if the context goes full before the second write is done.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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git.openpandora.org / pandora-kernel.git / commitdiff