From: Pavel Machek <pavel@ucw.cz>
To: Byron Stanoszek <gandalf@winds.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Using video memory as system memory
Date: Thu, 11 Apr 2002 16:23:04 +0200 [thread overview]
Message-ID: <20020411142303.GA120@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44.0204091816380.13516-100000@winds.org>
Hi!
> Does the kernel support noncontiguous main memory like this, or is it just
> plain impossible to use PCI-mapped memory as main memory?
It might be possible (don't know why it does not work for you), but
bear in mind that PCI is *very* slow compared to your main memory.
[Oh, you might want to add that memory late in boot phase. At begining
of kernel boot, that area is probably not mapped, yet. PCI is
initialized later.]
Pavel
--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
next prev parent reply other threads:[~2002-04-12 8:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-09 22:24 Using video memory as system memory Byron Stanoszek
2002-04-10 15:00 ` bill davidsen
2002-04-11 14:23 ` Pavel Machek [this message]
2002-04-12 10:56 ` Pedro M. Rodrigues
2002-04-12 11:35 ` Dr. David Alan Gilbert
2002-04-12 7:54 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2002-04-10 15:43 Holzrichter, Bruce
2002-04-10 15:53 ` Byron Stanoszek
2002-04-10 16:12 ` Geert Uytterhoeven
2002-04-10 17:10 ` Bruce Harada
2002-04-12 11:54 ` Bruce Harada
2002-04-11 11:28 ` Denis Vlasenko
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=20020411142303.GA120@elf.ucw.cz \
--to=pavel@ucw.cz \
--cc=gandalf@winds.org \
--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.