To NX or not to NX

[Ralf Ertzinger]

Hi.

On Mon, 1 Jan 2007 10:12:28 -0600, Matt Domsch wrote

> > kernel is 2.6.19-1.2891, processor is a Intel Core Duo CPU L2400
> 
> is NX disabled in the BIOS?

I just checked, it is enabled.

The only kernel that seems to have noticed that was the FC6 xen
kernel:

Linux version 2.6.18-1.2798.fc6xen (brewbuilder at hs20-bc2-4.build.redhat.com) (gcc version 4.1.1 2006101
1 (Red Hat 4.1.1-30)) #1 SMP Mon Oct 16 15:11:19 EDT 2006
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 000000001cf7f000 (usable)
0MB HIGHMEM available.
463MB LOWMEM available.
NX (Execute Disable) protection: active
found SMP MP-table at 000f6800
[...]