From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Feldman, Scott" <scott.feldman@intel.com>
Cc: "'Troy Wilson'" <tcw@tempest.prismnet.com>,
Jeff Garzik <jgarzik@mandrakesoft.com>,
linux-kernel@vger.kernel.org, Martin.Bligh@us.ibm.com,
tcw@prismnet.com
Subject: RE: mdelay causes BUG, please use udelay
Date: 21 Aug 2002 01:28:52 +0100 [thread overview]
Message-ID: <1029889732.22983.87.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <288F9BF66CD9D5118DF400508B68C4460283E4AF@orsmsx113.jf.intel.com>
On Wed, 2002-08-21 at 01:20, Feldman, Scott wrote:
> > + usec_delay(10000);
>
> Jeff, 10000 seems on the border of what's OK. If it's acceptable, then
> let's go for that. Otherwise, we're going to have to chain several
> mod_timer callbacks together to do a controller reset.
For some telco and embedded apps 10000 in an IRQ is borderline. One day
the timer stuff will be needed - how hard is it to fix right first time
?
next prev parent reply other threads:[~2002-08-21 0:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-21 0:20 Feldman, Scott
2002-08-21 0:27 ` Benjamin LaHaise
2002-08-21 0:28 ` H. Peter Anvin
2002-08-21 0:28 ` Alan Cox [this message]
2002-08-21 0:59 ` Jeff Garzik
2002-08-21 16:04 ` Martin J. Bligh
2002-08-21 16:45 ` Chris Friesen
2002-08-21 16:56 ` Martin J. Bligh
2002-08-21 17:21 ` Dave Hansen
-- strict thread matches above, loose matches on Subject: below --
2002-08-21 0:59 Feldman, Scott
2002-08-20 23:50 Troy Wilson
2002-08-21 1:00 ` Jeff Garzik
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