Message-ID: <4C692F31.2020705@neli.hopto.org>
Date: Mon, 16 Aug 2010 14:29:37 +0200
From: Micha Nelissen <micha@neli.hopto.org>
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To: Alexandre Bounine <alexandre.bounine@idt.com>
CC: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 7/9] RapidIO: Add handling for PW message from a lost
 device
References: <1281712686-31308-1-git-send-email-alexandre.bounine@idt.com> <1281712686-31308-8-git-send-email-alexandre.bounine@idt.com>
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Alexandre Bounine wrote:
> Add check if PW message source device is accessible and change PW message
> handler to recover if PW message source device is not available anymore (power
> down or link disconnect).

I am not quite sure what the point is of this patch. What do you need to 
recover from?

> To avoid possible loss of notification, the PW message handler scans the route
> back from the source device to identify end of the broken link.

Do you mean if port-writes are dropped? Then they did not reach you in 
the first place. If a link in between is broken, the associated switch 
will 'complain' and send port-writes, no?

Micha
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