On Tue, 3 Jun 2014, Fabian Frederick wrote: > account_sbals is called by get_inbound_buffer_frontier and > get_outbound_buffer_frontier with 'count' value > 0 so we can safely convert > shift loop to ilog2. > > Cc: Sebastian Ott <[email protected]> > Cc: Joe Perches <[email protected]> > Cc: Andrew Morton <[email protected]> > Signed-off-by: Fabian Frederick <[email protected]> > --- > drivers/s390/cio/qdio_main.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c > index 9fda160..2eee7f1 100644 > --- a/drivers/s390/cio/qdio_main.c > +++ b/drivers/s390/cio/qdio_main.c > @@ -413,15 +413,14 @@ static inline void qdio_stop_polling(struct qdio_q *q) > > static inline void account_sbals(struct qdio_q *q, unsigned int count) > { > - int pos = 0; > + int pos; > > q->q_stats.nr_sbal_total += count; > if (count == QDIO_MAX_BUFFERS_MASK) { > q->q_stats.nr_sbals[7]++; > return; > } > - while (count >>= 1) > - pos++; > + pos = ilog2(count); > q->q_stats.nr_sbals[pos]++; > } > > -- > 1.8.4.5 > >
Thanks, applied. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
