Re: [PATCH]X86:reboot.c Add some dmi entries to pci_reboot_dmi_table.

[Justin P. Mattock]

On 06/01/2010 02:29 PM, Matthew Garrett wrote:
> On Tue, Jun 01, 2010 at 02:26:01PM -0700, Justin P. Mattock wrote:
> > On 06/01/2010 02:12 PM, Matthew Garrett wrote:
> > > some level. How about the following (again, run as root):
> > >
> > > #include<sys/io.h>
> > >
> > > int main() {
> > > 	iopl(3);
> > > 	outb(0xfe, 0x64);
> > > 	return 0;
> > > }
>
> So, just to be clear, you run this as root and it immediately returns
> you to the prompt? This seems unlikely.

yep.. with the above code
I (save to a file) then
non-root gcc reboot.c -o reboot
then su
./reboot
just bake to the command prompt

> > ahh!! I see now:
> > grep 0x64 *.dsl
>
> No, that's unrelated.

alright!!

Justin P. Mattock
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/