From: Bryan O'Sullivan <bos@pathscale.com>
Date: Sat, 1 Jul 2006 11:36:10 +0000 (-0700)
Subject: [PATCH] IB/ipath: rC receive interrupt performance changes
X-Git-Tag: v2.6.18-rc1~217
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12eef41f8b72b6e11e36b48c78849c17e49781c8;p=pandora-kernel.git

[PATCH] IB/ipath: rC receive interrupt performance changes

This patch separates QP state used for sending and receiving RC packets so the
processing in the receive interrupt handler can be done mostly without locks
being held.  ACK packets are now sent without requiring synchronization with
the send tasklet.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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