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From: John Ronciak <john.ronciak@gmail.com>
To: Adrian Bunk <bunk@stusta.de>
Cc: kus Kusche Klaus <kus@keba.com>,
	Lee Revell <rlrevell@joe-job.com>,
	linux-kernel@vger.kernel.org, john.ronciak@intel.com,
	ganesh.venkatesan@intel.com, jesse.brandeburg@intel.com,
	netdev@vger.kernel.org
Subject: Re: My vote against eepro* removal
Date: Thu, 19 Jan 2006 09:16:50 -0800	[thread overview]
Message-ID: <56a8daef0601190916v463d06edp23bbe0b849f81217@mail.gmail.com> (raw)
In-Reply-To: <20060119162056.GP19398@stusta.de>

During the watchdog the e100 driver reads all of the status registers
from the actual hardware.  There are 26 (worst case) register reads. 
There is also a spin lock for another check in the watchdog.  It would
still surprise me that all of this would take 500 usec.  If you are
seeing this delay, you can comment out the scheduling of the watchdog
to see if this goes away.  We'll need to narrow down exactly what in
the watchdog is causing the delay

Thanks.

--
Cheers,
John

  reply	other threads:[~2006-01-19 17:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-19 10:26 kus Kusche Klaus
2006-01-19 16:20 ` Adrian Bunk
2006-01-19 17:16   ` John Ronciak [this message]
2006-01-19 19:09 ` Steven Rostedt
2006-01-19 22:57   ` Steven Rostedt
  -- strict thread matches above, loose matches on Subject: below --
2006-01-24  7:38 kus Kusche Klaus
2006-01-23 11:01 kus Kusche Klaus
2006-01-23 20:23 ` Jesse Brandeburg
2006-01-20 11:27 kus Kusche Klaus
2006-01-20 10:51 kus Kusche Klaus
2006-01-20 11:05 ` Evgeniy Polyakov
2006-01-20 10:19 kus Kusche Klaus
2006-01-20 11:02 ` Evgeniy Polyakov
2006-01-21  0:45 ` Lee Revell
2006-01-20  9:37 kus Kusche Klaus
2006-01-20  9:55 ` Evgeniy Polyakov
2006-01-21  0:40   ` Lee Revell
2006-01-21  1:19     ` John Ronciak
2006-01-21  1:30       ` Lee Revell
2006-01-21  2:01         ` John Ronciak
2006-01-21  3:56           ` Lee Revell
2006-01-19 10:08 kus Kusche Klaus
2006-01-19  7:19 kus Kusche Klaus
2006-01-19  7:24 ` Lee Revell
2006-01-19  7:42 ` Arjan van de Ven

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