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xen-devel
[Xen-devel] Re: [GIT PULL] xen: Check NX state before setting up GDT map
* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
> On 09/23/09 05:36, Ingo Molnar wrote:
> >> +#ifdef CONFIG_X86_64
> >> + /* Work out if we support NX */
> >> + check_efer();
> >> +#endif
> >> +
> >>
> > btw., this #ifdef could sure be eliminated, right?
> >
>
> check_efer() is only defined on x86-64 and all its existing callsites
> have a similar #ifdef.
Yes, a familar pattern that prompted my comment.
> [...] NX setup is an area which could do with a bit of hitting with
> the unification stick.
Yes.
Ingo
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