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
next prev parent 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
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