On Wed, Jun 7, 2017 at 10:56 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Jun 07, 2017 at 07:58:31PM -0700, Kees Cook wrote: >> Many subsystems will not use refcount_t unless there is a way to build the >> kernel so that there is no regression in speed compared to atomic_t. This >> adds CONFIG_REFCOUNT_FULL to enable the full refcount_t implementation >> which has the validation but is slightly slower. When not enabled, >> refcount_t uses the basic unchecked atomic_t routines, which results in >> no code changes compared to just using atomic_t directly. >> >> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > > Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Ping. tip maintainers, can you please take this patch to unblock the refcount_t conversions? Thanks! -Kees -- Kees Cook Pixel Security