From: Jeff Garzik <jgarzik@pobox.com>
To: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>,
Andrew Morton <akpm@osdl.org>,
netdev@vger.kernel.org
Subject: Re: [PATCH 10/12] forcedeth: tx max work
Date: Thu, 18 Jan 2007 21:52:33 -0500 [thread overview]
Message-ID: <45B03271.5080802@pobox.com> (raw)
In-Reply-To: <45A3DF43.8030301@nvidia.com>
Ayaz Abdulla wrote:
> This patch adds a limit to how much tx work can be done in each
> iteration of tx processing.
>
> Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
What about the "tail end" of the work, when the limit is reached?
Remember that delaying the completion of TX's too long increases latency.
It seems to me that this patch needs a timer or somesuch, to guarantee
that TX completions are not delayed too long in the worst case.
Jeff
next prev parent reply other threads:[~2007-01-19 2:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-09 18:30 [PATCH 10/12] forcedeth: tx max work Ayaz Abdulla
2007-01-19 2:52 ` Jeff Garzik [this message]
2007-01-19 16:27 ` Ayaz Abdulla
[not found] <45B3F307.8060900@nvidia.com>
2007-01-23 6:09 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2007-01-23 17:00 Ayaz Abdulla
2007-01-23 22:53 ` Jeff Garzik
2007-01-23 23:06 ` Jeff Garzik
2007-01-24 7:17 ` Jeff Garzik
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