linux-kernel - Re: [PATCH] driver core: add a debugfs entry to show deferred devices

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Message-ID: <20180620105415.GC6242@sirena.org.uk>
Date:   Wed, 20 Jun 2018 11:54:15 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH] driver core: add a debugfs entry to show deferred devices

On Wed, Jun 20, 2018 at 07:51:45AM +0900, Greg Kroah-Hartman wrote:

> And what is the use of this file?  What can you do with this
> information?  Who is going to use it?  Don't we have other deferred
> probe debugging somewhere else?

Pretty much all we have right now is kernel log messages, and people
keep trying to suppress those as they're quite noisy sometimes.  Ideally
the device dependency stuff will reduce that problem but I'm not sure
how that's getting on.

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