On 01/27/2014 02:46 PM, Andy Lutomirski wrote:
>
> I think that sysret for sigreturn is probably not very interesting.
> On the other hand, sysret for #PF might be a huge win, despite being
> even scarier.
>
SYSRET for #PF or other exceptions is a nonstarter; register state is
live at that point.
-hpa
--
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/