Re: [PATCH v2 5/6] powerpc/32s: prepare prevent_user_access() for user_access_end()

2020-01-23 Thread Michael Ellerman
Christophe Leroy writes: > In preparation of implementing user_access_begin and friends > on powerpc, the book3s/32 version of prevent_user_access() need > to be prepared for user_access_end(). > > user_access_end() doesn't provide the address and size which > were passed to user_access_begin(), r

[PATCH v2 5/6] powerpc/32s: prepare prevent_user_access() for user_access_end()

2020-01-22 Thread Christophe Leroy
In preparation of implementing user_access_begin and friends on powerpc, the book3s/32 version of prevent_user_access() need to be prepared for user_access_end(). user_access_end() doesn't provide the address and size which were passed to user_access_begin(), required by prevent_user_access() to k