From: Carsten Otte <cotte@de.ibm.com>
To: "Jörn Engel" <joern@logfs.org>
Cc: carsteno@de.ibm.com, dhowells <dhowells@redhat.com>,
David Woodhouse <dwmw2@infradead.org>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: [PATCH][MTD] mtdpart.c: allow other drivers to get physical address of partition
Date: Fri, 03 Aug 2007 14:21:54 +0200 [thread overview]
Message-ID: <46B31DE2.3050804@de.ibm.com> (raw)
In-Reply-To: <20070803113134.GA19049@lazybastard.org>
Jörn Engel wrote:
> On Fri, 3 August 2007 13:03:49 +0200, Carsten Otte wrote:
>> I see. Trouble for "real time" applications ;-). But once we're
>> receiving a lot of page faults we end up suspending the erase forever.
>> We need a deterministic end of the erase cycle as well, don't we?
> Absolutely.
Hmm. At least this does'nt seem like something that the xip
infrastructure should be concerned with: it will ask for
get_xip_page() [or get_xip_pfn()], and return temporary references via
put_xip_page/pfn(). The mtd layer has to decide when to pospone
get_xip_page() calls and when to ask for references being returned. On
the other hand, I think we should make sure get_xip_page() targets may
call schedule() in case the page we ask for is currently unavailable
while an erase operation is in progress.
next prev parent reply other threads:[~2007-08-03 12:22 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-27 0:04 [PATCH][MTD] mtdpart.c: allow other drivers to get physical address of partition Jared Hulbert
2007-07-27 13:48 ` Jörn Engel
2007-07-27 17:05 ` Jared Hulbert
2007-07-27 17:44 ` Jörn Engel
2007-07-27 20:53 ` Jared Hulbert
2007-07-28 11:43 ` Jörn Engel
2007-07-28 21:08 ` Jared Hulbert
2007-07-31 11:55 ` David Woodhouse
2007-07-31 19:55 ` Jared Hulbert
2007-08-01 11:55 ` Jörn Engel
2007-08-03 1:56 ` Jared Hulbert
2007-08-03 3:01 ` Jörn Engel
2007-08-03 5:23 ` Jared Hulbert
2007-08-03 9:21 ` Jörn Engel
2007-08-03 6:42 ` Jared Hulbert
2007-08-03 12:47 ` Jörn Engel
2007-08-03 22:29 ` Jared Hulbert
2007-08-01 12:18 ` Jörn Engel
2007-08-01 12:59 ` Carsten Otte
2007-08-01 20:37 ` Jared Hulbert
2007-08-01 23:31 ` Jörn Engel
2007-08-02 7:53 ` Carsten Otte
2007-08-02 21:55 ` Jared Hulbert
2007-08-03 7:59 ` Carsten Otte
2007-08-03 9:17 ` Jörn Engel
2007-08-03 11:03 ` Carsten Otte
2007-08-03 11:31 ` Jörn Engel
2007-08-03 12:21 ` Carsten Otte [this message]
2007-08-03 12:58 ` Jörn Engel
2007-08-03 13:09 ` David Woodhouse
2007-08-03 13:18 ` Jörn Engel
2007-08-03 19:45 ` Jared Hulbert
2007-08-03 23:02 ` Jörn Engel
2007-08-04 12:33 ` David Woodhouse
2007-08-04 17:47 ` Jared Hulbert
2007-08-06 6:30 ` Carsten Otte
2007-08-03 18:39 ` Jared Hulbert
2007-08-06 6:23 ` Carsten Otte
2007-08-01 18:03 ` Jared Hulbert
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