Re: realtime problem

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From
Luigi Rizzo <rizzo@icir.org>
Date
9 Apr 2003 12:14:09
Subject
Re: realtime problem
Message-ID
20030409121408.A23344@xorpc.icir.org

Referenced by

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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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