From: Jon Smirl <jonsmirl@gmail.com>
To: Dave Jones <davej@redhat.com>, Andi Kleen <ak@muc.de>,
linux-kernel@vger.kernel.org,
DRI Devel <dri-devel@lists.sourceforge.net>
Subject: Re: chasing the four level page table
Date: Sat, 8 Jan 2005 00:22:53 -0500 [thread overview]
Message-ID: <9e47339105010721225c0cfb32@mail.gmail.com> (raw)
In-Reply-To: <20050106214159.GG16373@redhat.com>
On Thu, 6 Jan 2005 16:41:59 -0500, Dave Jones <davej@redhat.com> wrote:
> No other device driver is also doing such lowlevel stuff with
> page tables directly afaics. drivers/char/drm seem to be the only drivers
> using [pgd|pmd|pte]_offset() routines.
On 6 Jan 2005 20:38:27 +0100, Andi Kleen <ak@muc.de> wrote:
> Perhaps we should add a get_user_phys() or somesuch for this.
I think this is a case where the memory manager is missing a function
that DRM needs. If there was a get_user_phys() function DRM wouldn't
need to walk the page tables.
--
Jon Smirl
jonsmirl@gmail.com
next prev parent reply other threads:[~2005-01-08 5:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-06 17:17 chasing the four level page table Jon Smirl
2005-01-06 18:12 ` Andi Kleen
2005-01-06 18:36 ` Jon Smirl
2005-01-06 19:38 ` Andi Kleen
2005-01-06 20:05 ` Jon Smirl
2005-01-06 21:41 ` Dave Jones
2005-01-08 5:22 ` Jon Smirl [this message]
2005-01-15 2:54 ` H. Peter Anvin
2005-01-15 3:37 ` Roland Dreier
2005-01-15 4:24 ` Andi Kleen
2005-01-15 5:59 ` Jon Smirl
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=9e47339105010721225c0cfb32@mail.gmail.com \
--to=jonsmirl@gmail.com \
--cc=ak@muc.de \
--cc=davej@redhat.com \
--cc=dri-devel@lists.sourceforge.net \
--cc=linux-kernel@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 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.