Messages in this thread | | | Subject | RE: page allocation/attributes question (i386/x86_64 specific) | Date | Wed, 20 Jul 2005 14:24:48 -0500 | From | <> |
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Hayes, Stuart wrote: > Ingo Molnar wrote: >> * 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 > > Oh, sorry, we're talking about two different patches. I sent in a > different patch yesterday, because Andi Kleen didn't seem very > enthusiastic about fixnx2.patch. Here's the patch that I sent > yesterday (attached as file init.c.patch). > > Thanks > Stuart
Although... if you like the fixnx2.patch better, I can modify it. I'm ok with either approach.
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