linux-kernel - Re: [PATCH 34/54] Driver Core: add kobj

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Message-ID: <20071105195950.604ea56f@gondolin.boeblingen.de.ibm.com>
Date:	Mon, 5 Nov 2007 19:59:50 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 34/54] Driver Core: add kobj_attribute handling

On Mon, 05 Nov 2007 19:39:31 +0100,
Kay Sievers <kay.sievers@...y.org> wrote:

> Where are the objects that join this kset? A kset is a "collection of
> objects of a similar type", If there are no objects, you don't need a
> kset at all, I guess, but just a plain directory. :)

Yes, ipl.c looks a lot like "we need a subdirectory under /sys/firmware/
and need to jump through hoops to get it there".

> Anyway, seems we need an easy way to pass default attributes to ksets
> and plain directories. If userspace should set some values here when a
> subsystems creates the its sysfs representation, we must make sure, that
> the attributes exist at the time the event is sent, otherwise we will
> run into all sorts of timing problems.

Maybe they need something like device->uevent_suppress, but at the
kobject level?
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