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Date:      Wed, 9 Apr 2003 12:14:08 -0700
From:      Luigi Rizzo <rizzo@icir.org>
To:        John Polstra <jdp@polstra.com>
Cc:        hackers@freebsd.org
Subject:   Re: realtime problem
Message-ID:  <20030409121408.A23344@xorpc.icir.org>
In-Reply-To: <200304091900.h39J0igT063938@strings.polstra.com>; from jdp@polstra.com on Wed, Apr 09, 2003 at 12:00:44PM -0700
References:  <20030409114957.GN83126@cicely9.cicely.de> <20030409144042.B901@beagle.fokus.fraunhofer.de> <200304091900.h39J0igT063938@strings.polstra.com>

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On Wed, Apr 09, 2003 at 12:00:44PM -0700, John Polstra wrote:
...
> Huh?  I'm not aware of any hz-related botches in the mii code.
> Could you give me a specific example?  I'd like to fix it if I can
> find it.

it is not hz-related, the fact is that some PHY events are
handled by busy-waiting in the interrupt service routine
thus causing unpredictable latencies in the response to
interrupts.

	cheers
	luigi

> Thanks,
> John
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