From: castet.matthieu@free.fr
To: linux-kernel@vger.kernel.org
Cc: Siarhei Liakh <sliakh.lkml@gmail.com>,
"H. Peter Anvin" <hpa@linux.intel.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [tip:x86/mm] x86, mm: Set first MB as RW+NX
Date: Sat, 12 Jun 2010 18:38:29 +0200 [thread overview]
Message-ID: <1276360709.4c13b80507f8b@imp.free.fr> (raw)
hi,
> Special accommodations have been made for BIOS32/PCI BIOS services:
> according to BIOS32 specification
> (http://members.datafast.net.au/dft0802/specs/bios32.pdf), at most two
> pages per BIOS32 service should be set executable and no pages need to
> be writeable.
>From my understanding only the service directory take 2 pages.
The no info for the pci service :
- the length field could be used to find the number of page it takes.
- could we assume data ro ?
Also for easier debugging, set_2_pages_rox should print some info.
Matthieu
next reply other threads:[~2010-06-12 16:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-12 16:38 castet.matthieu [this message]
2010-06-12 20:04 ` castet.matthieu
2010-06-17 0:36 ` Siarhei Liakh
-- strict thread matches above, loose matches on Subject: below --
2010-06-07 1:00 [PATCH 2/4 V4] [tip:x86/mm] " Siarhei Liakh
2010-06-11 22:55 ` [tip:x86/mm] x86, mm: " tip-bot for Siarhei Liakh
2010-06-12 13:00 ` Ingo Molnar
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