Messages in this thread |  | | | Date | Tue, 24 Apr 2007 09:46:12 +0200 | | From | "Tuncer Ayaz" <> | | Subject | Re: NonExecutable Bit in 32Bit |
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On 4/24/07, William Heimbigner <icxcnika@mar.tar.cc> wrote: > On Tue, 24 Apr 2007, Cestonaro, Thilo (external) wrote: > > > Hey, > > > > is it right, that the NX Bit is not used under i386-Arch but > > under x86_64-Arch? > > When yes, is there a special argument for it not to be used? > > > > Ciao Thilo > I don't think so - some i386 cpus definitely have support for > the NX bit. >
In detail: 1) if your CPU has NX support (some 32bit Xeons do) 2) it is not disabled in the BIOS 3) you see 'nx' in the 'flags' line in /proc/cpuinfo 4) and you have a kernel with the following config options CONFIG_HIGHMEM64G=y CONFIG_HIGHMEM=y CONFIG_X86_PAE=y
NX should just work.
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