From f0a0b15e0f3aff0a25f21f58bef8e40e80b16dc6 Mon Sep 17 00:00:00 2001 From: Jan Glauber Date: Mon, 22 Jun 2009 12:08:14 +0200 Subject: [PATCH] [S390] qdio: leave inbound SBALs primed It is not required to change the state of primed SBALs. Leaving them primed saves a SQBS instruction under z/VM. Signed-off-by: Jan Glauber Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio_main.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 779b7741d49..75b521963a4 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -455,13 +455,6 @@ static inline void inbound_primed(struct qdio_q *q, int count) count--; if (!count) return; - - /* - * Need to change all PRIMED buffers to NOT_INIT, otherwise - * we're loosing initiative in the thinint code. - */ - set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT, - count); } static int get_inbound_buffer_frontier(struct qdio_q *q) -- 2.32.0.93.g670b81a890