From: "Michael S. Tsirkin" <mst@mellanox.co.il>
To: Roland Dreier <rdreier@cisco.com>
Cc: Heiko J Schick <schihei@de.ibm.com>,
linux-kernel@vger.kernel.org, openib-general@openib.org,
linuxppc-dev@ozlabs.org, Christoph Raisch <RAISCH@de.ibm.com>,
Hoang-Nam Nguyen <HNGUYEN@de.ibm.com>,
Marcus Eder <MEDER@de.ibm.com>
Subject: Re: [PATCH 07/16] ehca: interrupt handling routines
Date: Tue, 9 May 2006 19:49:19 +0300 [thread overview]
Message-ID: <20060509164919.GC5063@mellanox.co.il> (raw)
In-Reply-To: <adalktbcgl1.fsf@cisco.com>
Quoting r. Roland Dreier <rdreier@cisco.com>:
> The trivial way to do it would be to use the same idea as the current
> ehca driver: just create a thread for receive CQ events and a thread
> for send CQ events, and defer CQ polling into those two threads.
For RX, isn't this basically what NAPI is doing?
Only NAPI seems better, avoiding interrupts completely and avoiding latency hit
by only getting triggered on high load ...
--
MST
next prev parent reply other threads:[~2006-05-09 16:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4450A196.2050901@de.ibm.com>
2006-05-04 21:29 ` [openib-general] " Roland Dreier
2006-05-05 13:05 ` Heiko J Schick
2006-05-05 14:49 ` Roland Dreier
2006-05-09 12:35 ` Heiko J Schick
2006-05-09 16:23 ` Roland Dreier
2006-05-09 16:49 ` Michael S. Tsirkin [this message]
[not found] ` <OF22D08323.20D303C1-ON87257169.0063C980-88257169.006A41AB@us.ibm.com>
2006-05-09 18:36 ` [openib-general] " Roland Dreier
2006-05-09 18:44 ` Michael S. Tsirkin
[not found] ` <OF9332FF11.38007290-ON87257169.00673F71-88257169.006C7F6E@us.ibm.com>
2006-05-09 18:55 ` Michael S. Tsirkin
2006-05-09 18:57 ` [openib-general] " Heiko J Schick
2006-05-09 19:04 ` Stephen Hemminger
[not found] ` <OF6CAB9865.804CAFBB-ON87257169.006C3DBC-88257169.00718277@us.ibm.com>
2006-05-09 20:20 ` Michael S. Tsirkin
[not found] ` <OFD1053717.15B4F49A-ON87257169.007531E1-88257169.007AD29E@us.ibm.com>
2006-05-10 5:33 ` Michael S. Tsirkin
2006-05-09 23:35 ` [openib-general] " Segher Boessenkool
2006-05-09 13:15 ` Christoph Hellwig
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