From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: forcedeth: option to disable 100Hz timer
Date: Tue, 2 Sep 2008 09:11:26 -0700 [thread overview]
Message-ID: <20080902091126.232ee570@extreme> (raw)
In-Reply-To: <48BC8BC8.4030308@shaw.ca>
On Mon, 01 Sep 2008 18:41:44 -0600
Robert Hancock <hancockr@shaw.ca> wrote:
> Mikhail Kshevetskiy wrote:
> > On some hardware no TX done interrupts are generated, thus special
> > 100Hz timer interrupt is required to handle this situation properly.
> > Other device do not require that timer interrupt feature.
> >
> > Patch add a "disable_timerirq" option to disable interrupt timer
> > mentioned above. This may be extremely usefull for laptop users.
> >
> > Mikhail Kshevetskiy
> >
>
> Someone (ideally NVIDIA) should really find out what hardware actually
> requires this timer IRQ and only set the flag on those chipsets rather
> than blindingly setting it on everything. This patch would be useful to
> test whether a chipset does need it, however.
Some drivers run without TX done interrupts at all. It can be done, it just
requires cleaning up the ring in the start of the next transmit, and starting
a longer interval timer to cleanup leftover frames at the end of a burst.
parent reply other threads:[~2008-09-02 16:11 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <48BC8BC8.4030308@shaw.ca>]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080902091126.232ee570@extreme \
--to=shemminger@linux-foundation.org \
--cc=hancockr@shaw.ca \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).