Re: page allocation/attributes question (i386/x86_64 specific)

[Ingo Molnar]

* Stuart_Hayes@xxxxxxxx <Stuart_Hayes@xxxxxxxx> 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
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