Messages in this thread |  | | | Date | Sat, 12 Jun 2010 18:38:29 +0200 | | From | castet.matthieu@free ... | | Subject | Re: [tip:x86/mm] x86, mm: Set first MB as RW+NX |
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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
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