From: Arjan van de Ven <arjan@infradead.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: RFC: banning device driver reserved resources from /dev/mem
Date: Mon, 6 Oct 2008 07:57:38 -0700 [thread overview]
Message-ID: <20081006075738.318a983f@infradead.org> (raw)
In-Reply-To: <20081006153825.66e50770@lxorguk.ukuu.org.uk>
>
> For debug tools that would be almost all drivers, and for distribution
> use that needs to be a runtime selection.
is boottime (read: kernel parameter) ok ?
it would totally make sense to have a kernel boot parameter that
disables all /dev/mem sanity checks.
>
> For the non share-resource-with case what occurs if /dev/mem is active
> when the driver is loaded ?
that's a hard case but probably not the most interesting case; drivers
get loaded early thankfully.
(yes revoke is hard ;( )
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2008-10-06 14:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-06 1:01 Arjan van de Ven
2008-10-06 5:23 ` Ingo Molnar
2008-10-06 5:26 ` Arjan van de Ven
2008-10-06 9:27 ` Alan Cox
2008-10-06 13:40 ` Maxim Levitsky
2008-10-06 13:48 ` Alan Cox
2008-10-06 13:52 ` Arjan van de Ven
2008-10-06 14:01 ` Alan Cox
2008-10-06 14:05 ` Arjan van de Ven
2008-10-06 14:14 ` Alan Cox
2008-10-06 14:24 ` Arjan van de Ven
2008-10-06 14:38 ` Alan Cox
2008-10-06 14:57 ` Arjan van de Ven [this message]
2008-10-06 15:29 ` Alan Cox
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