From: Dan Malek <dan@embeddedalley.com>
To: "Gerhard Pircher" <gerhard_pircher@gmx.net>
Cc: linuxppc-dev@ozlabs.org, debian-powerpc@lists.debian.org
Subject: Re: Unmapping pages from the linear addressing without HIGHMEM support
Date: Fri, 10 Mar 2006 07:59:33 -0500 [thread overview]
Message-ID: <051c9d8f422b0e5289b7083367cf44ca@embeddedalley.com> (raw)
In-Reply-To: <22544.1141981797@www088.gmx.net>
On Mar 10, 2006, at 4:09 AM, Gerhard Pircher wrote:
> That would mean I cannot reuse the code in dma-mapping.c, right?
Sure you can. All you need to do is turn of BAT mapping, which
is as easy as using the 'nobats' command line parameter and
all of this code should just work for you.
> ... but I guess I have to setup my own page table for the reserved
> DMA memory area and implement my own alloc_pages() function!?
No, that's already done for you behind all of these functions.
Thanks.
-- Dan
next prev parent reply other threads:[~2006-03-10 13:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-09 13:51 Unmapping pages from the linear addressing without HIGHMEM support Gerhard Pircher
2006-03-09 22:11 ` Benjamin Herrenschmidt
2006-03-10 9:09 ` Gerhard Pircher
2006-03-10 12:59 ` Dan Malek [this message]
2006-03-10 23:12 ` Benjamin Herrenschmidt
2006-03-10 23:13 ` Benjamin Herrenschmidt
2006-03-11 13:28 ` Gerhard Pircher
2006-03-12 0:07 ` Benjamin Herrenschmidt
[not found] <31042.1141997321@www088.gmx.net>
2006-03-10 13:31 ` Gerhard Pircher
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=051c9d8f422b0e5289b7083367cf44ca@embeddedalley.com \
--to=dan@embeddedalley.com \
--cc=debian-powerpc@lists.debian.org \
--cc=gerhard_pircher@gmx.net \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).