From: David Miller <davem@davemloft.net>
To: ak@suse.de
Cc: jeremy@goop.org, lkml@rtr.ca, mpm@selenic.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: Using netconsole for debugging suspend/resume
Date: Mon, 12 Jun 2006 22:03:46 -0700 (PDT) [thread overview]
Message-ID: <20060612.220346.71553967.davem@davemloft.net> (raw)
In-Reply-To: <200606130654.14477.ak@suse.de>
From: Andi Kleen <ak@suse.de>
Date: Tue, 13 Jun 2006 06:54:14 +0200
> I guess if you use 1394 with remote DMA for other protocols (like
> video etc.) there must be some way for the subsystem to map
> the memory even on IOMMU systems. I admit I haven't dived that
> deeply into the 1394 subsystem so I don't know how that works.
Video-1394 has it's own driver, which does a consistent DMA
allocation, and then maps that into userspace using remap_pfn_range().
Entirely portable.
Strangely I don't even see any bus_to_virt() etc. calls in
the raw1394 driver, just these ptr2int() things...
next prev parent reply other threads:[~2006-06-13 5:03 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-08 17:50 Using netconsole for debugging suspend/resume Jeremy Fitzhardinge
2006-06-08 20:35 ` Auke Kok
2006-06-08 20:40 ` Rafael J. Wysocki
2006-06-09 1:56 ` Jeremy Fitzhardinge
2006-06-09 10:34 ` Rafael J. Wysocki
2006-06-08 21:07 ` Matt Mackall
2006-06-09 1:54 ` Jeremy Fitzhardinge
2006-06-09 5:13 ` Auke Kok
2006-06-09 5:23 ` David Miller
2006-06-09 5:50 ` Andi Kleen
2006-06-09 17:14 ` Matt Mackall
2006-06-09 5:45 ` Jeremy Fitzhardinge
2006-06-09 2:15 ` [PATCH RFC] netpoll: don't spin forever sending to stopped queues Jeremy Fitzhardinge
2006-06-11 20:04 ` Matt Mackall
2006-06-12 20:57 ` Jeremy Fitzhardinge
2006-06-12 20:53 ` Matt Mackall
2006-06-12 21:20 ` Jeremy Fitzhardinge
2006-06-09 3:46 ` Using netconsole for debugging suspend/resume Andi Kleen
2006-06-09 15:24 ` Mark Lord
2006-06-12 11:21 ` Andi Kleen
2006-06-12 15:38 ` Mark Lord
2006-06-12 15:46 ` Andi Kleen
2006-06-12 21:25 ` Jeremy Fitzhardinge
2006-06-13 3:47 ` Andi Kleen
2006-06-13 4:49 ` David Miller
2006-06-13 4:54 ` Andi Kleen
2006-06-13 5:03 ` David Miller [this message]
2006-06-13 7:18 ` Christoph Hellwig
2006-06-13 7:31 ` David Miller
2006-06-09 8:34 ` Pavel Machek
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=20060612.220346.71553967.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=ak@suse.de \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lkml@rtr.ca \
--cc=mpm@selenic.com \
--cc=netdev@vger.kernel.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).