Re: [RFC/PATCH 01/15] preparation: provide hook to enable pgstes in user pagetable

Avi Kivity
2008-03-25T06:12:28Z

Carsten Otte wrote:
> Avi Kivity wrote:
>> Well, dup_mm() can't work (and now that I think about it, for more
>> reasons -- what if the process has threads?).
> We lock out multithreaded users already, -EINVAL.
>

Would be much better if this can be avoided. It's surprising.

--
Any sufficiently difficult bug is indistinguishable from a feature.