linux-kernel - Re: [patch 1/2] fastboot: Add a module parameter to skip probing of specific ports

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Message-ID: <20080812130027.2c4643a9@lxorguk.ukuu.org.uk>
Date:	Tue, 12 Aug 2008 13:00:27 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [patch 1/2] fastboot: Add a module parameter to skip probing of
 specific ports

> > What
> > defines the probe order here particularly as people are pushing for
> > parallel probing of multiple devices.
> 
> the patches I'm pushing for this don't change probe order; that has
> been tried before and wasn't a great success.

That was a question sorry. You are sledgehammering controllers by
discovery sequence - you've no idea if they will always be found in that
order. As such your boot option is incredibly fragile.
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