All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: Stuart_Hayes@Dell.com
Cc: ak@suse.de, riel@redhat.com, andrea@suse.de,
	linux-kernel@vger.kernel.org
Subject: Re: page allocation/attributes question (i386/x86_64 specific)
Date: Wed, 20 Jul 2005 17:00:29 +0200	[thread overview]
Message-ID: <20050720150029.GA29619@elte.hu> (raw)
In-Reply-To: <B1939BC11A23AE47A0DBE89A37CB26B40743C6@ausx3mps305.aus.amer.dell.com>


* Stuart_Hayes@Dell.com <Stuart_Hayes@Dell.com> wrote:

> Ingo Molnar wrote:
> > there's one problem with the patch: it breaks things that need the
> > low 1MB executable (e.g. APM bios32 calls). It would at a minimum be
> > needed to exclude the BIOS area in 0xd0000-0xfffff.  
> > 
> > 	Ingo
> 
> I wrote it to make everything below 1MB executable, if it isn't RAM 
> according to the e820 map, which should include the BIOS area.  This 
> includes 0xd0000-0xffff on my system.  Do you think I should explicity 
> make 0xd0000-0xfffff executable regardless of the e820 map?

hm ... which portion does this? I'm looking at fixnx2.patch. I 
definitely saw a APM bootup crash due to this, but that was on a 2.4-ish 
backport of the patch.

	Ingo

  reply	other threads:[~2005-07-20 15:01 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-20 14:51 page allocation/attributes question (i386/x86_64 specific) Stuart_Hayes
2005-07-20 15:00 ` Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-07-20 19:24 Stuart_Hayes
2005-07-20 15:06 Stuart_Hayes
2005-07-20 20:45 ` Ingo Molnar
2005-07-19 21:20 Stuart Hayes
2005-07-19 22:04 ` Ingo Molnar
2005-07-07 17:21 Stuart_Hayes
2005-07-05 21:35 Stuart_Hayes
2005-07-05 22:00 ` randy_dunlap
2005-07-05 20:02 Stuart_Hayes
2005-07-05 21:27 ` randy_dunlap
2005-07-07 14:33 ` Andi Kleen
2005-07-01 20:33 Stuart_Hayes
2005-06-30 19:11 Stuart_Hayes
2005-06-30 17:14 Stuart_Hayes
2005-06-30 16:56 Stuart_Hayes
2005-06-30 17:34 ` Arjan van de Ven
2005-06-29 17:20 Stuart_Hayes
2005-06-28 20:16 Stuart_Hayes
2005-06-30 16:15 ` Andi Kleen
2005-06-24 18:20 Stuart_Hayes
2005-06-25  2:28 ` Andi Kleen
2005-06-22 17:11 Stuart_Hayes
2005-06-22 23:54 ` Rik Van Riel

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=20050720150029.GA29619@elte.hu \
    --to=mingo@elte.hu \
    --cc=Stuart_Hayes@Dell.com \
    --cc=ak@suse.de \
    --cc=andrea@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=riel@redhat.com \
    /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.