On Tue, 2013-07-16 at 13:28 -0700, Kees Cook wrote: > On Tue, Jul 16, 2013 at 1:21 PM, Yinghai Lu <[email protected]> wrote: > > On Tue, Jul 16, 2013 at 11:34 AM, Kees Cook <[email protected]> wrote: > >> Since the IDT is referenced from a fixmap, make sure it is page aligned. > >> Merge with 32-bit one, since it was already aligned to deal with F00F > >> bug. Since bss is cleared before IDT setup, it can live there. This also > >> moves the other *_idt_table variables into common locations. > >>
> It seemed more correct to me to define all the IDTs the same, but > there was no technical reason for that, just one of regularity. I only > care about keeping the real IDT page aligned. :) I'm fine to do > whatever is deemed "correct". :) I'm actually unfamiliar with the F00F bug (heard of it, but have no idea what it is). What happens if the F00F bug exists and we switch to an IDT that's not paged aligned? Is that an issue? -- Steve -- 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/
