Commit 0ae8f2af authored by Julian Wiedmann's avatar Julian Wiedmann Committed by Heiko Carstens
Browse files

s390/qdio: remove unneeded siga-sync for Output Queue 



get_outbound_buffer_frontier() is only reached via qdio_inspect_queue(),
and there we already call qdio_siga_sync_q() unconditionally.

Signed-off-by: default avatarJulian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: default avatarBenjamin Block <bblock@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent d01fad2c

drivers/s390/cio/qdio_main.c

+0 −7
Original line number Diff line number Diff line
@@ -516,13 +516,6 @@ static int get_outbound_buffer_frontier(struct qdio_q *q, unsigned int start, 


	q->timestamp = get_tod_clock_fast();



	if (need_siga_sync(q))

		if (((queue_type(q) != QDIO_IQDIO_QFMT) &&

		    !pci_out_supported(q->irq_ptr)) ||

		    (queue_type(q) == QDIO_IQDIO_QFMT &&

		    multicast_outbound(q)))

			qdio_siga_sync_q(q);



	count = atomic_read(&q->nr_buf_used);

	if (!count)

		return 0;