Re: [PATCH v2 2/5] uaccess: Selectively open read or write user access

2020-05-28 Thread Michael Ellerman
On Fri, 2020-04-03 at 07:20:51 UTC, Christophe Leroy wrote: > When opening user access to only perform reads, only open read access. > When opening user access to only perform writes, only open write > access. > > Signed-off-by: Christophe Leroy > Reviewed-by: Kees Cook Applied to powerpc topic

[PATCH v2 2/5] uaccess: Selectively open read or write user access

2020-04-03 Thread Christophe Leroy
When opening user access to only perform reads, only open read access. When opening user access to only perform writes, only open write access. Signed-off-by: Christophe Leroy Reviewed-by: Kees Cook --- v2: Fixed a mismatched use of _read_ and _write_ in compat_get_bitmap() and compat_put_bitmap