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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox