Commit 6541f7b6 authored Sep 22, 2009 by Jan Glauber Committed by Martin Schwidefsky Sep 22, 2009

[S390] qdio: change state of all primed input buffers



If input buffers stay in primed state qdio may not receive further interrupts
for the input queue depending on the firmware. That can cause a connection
hang on OSA cards.

Change the state of all primed input buffers that are not acknowledged to
not initialized.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 1d7e1500

drivers/s390/cio/qdio_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -455,6 +455,8 @@ static inline void inbound_primed(struct qdio_q *q, int count)
		count--;
		if (!count)
		return;
		/* need to change ALL buffers to get more interrupts */
		set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT, count);
		}

		static int get_inbound_buffer_frontier(struct qdio_q *q)

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