From: David Woodhouse <dwmw2@infradead.org>
To: Jared Hulbert <jaredeh@gmail.com>
Cc: Josh Boyer <jwboyer@gmail.com>, Nicolas Pitre <nico@cam.org>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] Advanced XIP File System
Date: Wed, 03 May 2006 16:52:57 +0100 [thread overview]
Message-ID: <1146671577.20773.27.camel@pmac.infradead.org> (raw)
In-Reply-To: <6934efce0605030845o6d313681x6b89bef71c28b3a9@mail.gmail.com>
On Wed, 2006-05-03 at 08:45 -0700, Jared Hulbert wrote:
> > We only need to mark those pages as absent in the page tables if we ever
> > schedule to userspace while the flash is in a mode other than read mode.
> > Then handle the page fault by switching the flash back or waiting for
> > it.
>
> Where would we do this? In each MTD driver? A new generic aops function?
Probably a helper function with callbacks into the MTD driver. You ask
the MTD device driver to map a certain range of itself to userspace, and
it does so. Then it handles the page faults, etc.
--
dwmw2
next prev parent reply other threads:[~2006-05-03 15:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-02 21:53 Jared Hulbert
2006-05-03 0:00 ` Arnd Bergmann
2006-05-03 1:59 ` Jared Hulbert
2006-05-03 2:27 ` Josh Boyer
2006-05-03 5:04 ` Jared Hulbert
2006-05-03 8:31 ` David Woodhouse
2006-05-03 19:14 ` Pavel Machek
2006-05-04 16:32 ` Jared Hulbert
2006-05-03 0:56 ` Josh Boyer
2006-05-03 3:17 ` Nicolas Pitre
2006-05-03 10:41 ` Josh Boyer
2006-05-03 12:11 ` David Woodhouse
2006-05-03 15:45 ` Jared Hulbert
2006-05-03 15:52 ` David Woodhouse [this message]
2006-05-03 15:57 ` Nicolas Pitre
2006-05-03 16:01 ` David Woodhouse
2006-05-03 16:10 ` Nicolas Pitre
2006-05-03 5:11 ` Jared Hulbert
2006-05-03 12:50 ` Mark Lord
2006-05-03 15:33 ` Jared Hulbert
2006-05-03 13:05 ` Jörn Engel
2006-05-03 15:31 ` Jared Hulbert
2006-05-03 15:47 ` Jörn Engel
2006-05-03 15:58 ` Jared Hulbert
2006-05-03 17:03 ` Jörn Engel
2006-05-03 18:58 ` Jared Hulbert
2006-05-03 16:38 ` Jan Engelhardt
2006-05-03 18:54 ` Jared Hulbert
2006-05-03 23:17 ` Josh Boyer
2006-05-03 23:48 ` Jared Hulbert
2006-05-04 0:21 ` Josh Boyer
2006-05-03 22:49 ` David Woodhouse
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