All of lore.kernel.org
 help / color / mirror / Atom feed
From: Alan Nishioka <alan@nishioka.com>
To: linuxppc-dev@lists.ozlabs.org
Subject: Re: DMA to User-Space
Date: Fri, 06 Nov 2009 09:07:29 -0800	[thread overview]
Message-ID: <4AF457D1.2040607@nishioka.com> (raw)
In-Reply-To: <BB99A6BA28709744BF22A68E6D7EB51F0331031240@midas.usurf.usu.edu>

you can also reserve some physical memory at the top of memory and dma 
into that.
of course, this means you have to know how much memory you need before 
booting the kernel.

  reply	other threads:[~2009-11-06 17:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-03 23:37 DMA to User-Space Jonathan Haws
2009-11-04  2:19 ` Tonyliu
2009-11-04 17:40   ` Jonathan Haws
2009-11-04 17:50     ` Jonathan Haws
2009-11-06  6:05       ` Chris Friesen
2009-11-06 16:34         ` Jonathan Haws
2009-11-06 17:07           ` Alan Nishioka [this message]
2009-11-06 18:47             ` Jonathan Haws
2009-11-04 19:02     ` john.p.price
2009-11-23 17:11 ` Sergey Temerkhanov

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=4AF457D1.2040607@nishioka.com \
    --to=alan@nishioka.com \
    --cc=linuxppc-dev@lists.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.