Re: [RFC PATCH v2 04/11] powerpc/mm: Add a framework for Kernel Userspace Access Protection

[Christophe Leroy]

Le 21/12/2018 Ã 06:07, Michael Ellerman a ÃcritÂ:
> Christophe Leroy <christophe.leroy@xxxxxx> writes:
>
> > This patch implements a framework for Kernel Userspace Access
> > Protection.
> >
> > Then subarches will have to possibility to provide their own
> > implementation by providing setup_kuap() and lock/unlock_user_access()
> >
> > Some platform will need to know the area accessed and whether it is
> > accessed from read, write or both. Therefore source, destination and
> > size and handed over to the two functions.
> >
> > Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
>
> I think some of this code came from Russell's original patch?
>
> In which case we should have his signed-off-by here.

Yes that's right the ppc64 part is from Russel. As it's still an RFC and 
there is still some work to be done I didn't pay much attention to 
Signed-off and other tags yet.

Signed-off-by: Russell Currey <ruscur@xxxxxxxxxx>


Christophe