Re: [PATCH] powerpc/futex: Fix incorrect user access blocking

2020-02-08 Thread Michael Ellerman
On Fri, 2020-02-07 at 12:21:45 UTC, Michael Ellerman wrote: > The early versions of our kernel user access prevention (KUAP) were > written by Russell and Christophe, and didn't have separate > read/write access. > > At some point I picked up the series and added the read/write access, > but I fai

Re: [PATCH] powerpc/futex: Fix incorrect user access blocking

2020-02-07 Thread Christophe Leroy
Le 07/02/2020 à 13:21, Michael Ellerman a écrit : The early versions of our kernel user access prevention (KUAP) were written by Russell and Christophe, and didn't have separate read/write access. At some point I picked up the series and added the read/write access, but I failed to update the

Re: [PATCH] powerpc/futex: Fix incorrect user access blocking

2020-02-07 Thread Daniel Axtens
Michael Ellerman writes: > The early versions of our kernel user access prevention (KUAP) were > written by Russell and Christophe, and didn't have separate > read/write access. > > At some point I picked up the series and added the read/write access, > but I failed to update the usages in futex.

[PATCH] powerpc/futex: Fix incorrect user access blocking

2020-02-07 Thread Michael Ellerman
The early versions of our kernel user access prevention (KUAP) were written by Russell and Christophe, and didn't have separate read/write access. At some point I picked up the series and added the read/write access, but I failed to update the usages in futex.h to correctly allow read and write.