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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


  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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