From: Jeff Garzik <jgarzik@pobox.com>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] sky2: netpoll on dual port cards
Date: Tue, 31 Oct 2006 20:19:19 -0500 [thread overview]
Message-ID: <4547F617.6050106@pobox.com> (raw)
In-Reply-To: <20061018133928.60052617@freekitty>
Stephen Hemminger wrote:
> The sky2 driver uses a single NAPI poll routine for both ports on dual ported
> cards (because there is a single IRQ and status ring). Netpoll makes assumptions
> about the relationship between network device and NAPI that aren't correct
> on the second port, this will cause the port to never clear work.
>
> Most systems, just have single port, so not a big issue.
> The easy fix is just make the second port, not netpoll capable.
>
> Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
applied to #upstream-fixes
prev parent reply other threads:[~2006-11-01 1:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-18 20:39 [PATCH] sky2: netpoll on dual port cards Stephen Hemminger
2006-11-01 1:19 ` Jeff Garzik [this message]
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