On Fri, 2018-07-13 at 13:10:47 UTC, Christophe Leroy wrote: > NULL pointers are pointers to user memory space. So user pagetable > has to be set in order to avoid random behaviour in case of NULL > pointer dereference, otherwise we may encounter random memory > access hence Machine Check Exception from TLB Miss handlers. > > Set user pagetable as early as possible in order to properly > catch early kernel NULL pointer dereference. > > Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/8c8c10b90d88bfaad41ea34df17bf6 cheers