Re: NonExecutable Bit in 32Bit

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 4/24/07, William Heimbigner <[email protected]> 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.

[snip]
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux