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From: Nico Boehr <nrb@linux.ibm.com>
To: pasic@linux.ibm.com, akrowiak@linux.ibm.com, jjherne@linux.ibm.com
Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org,
	borntraeger@linux.ibm.com, frankja@linux.ibm.com,
	imbrenda@linux.ibm.com
Subject: [PATCH v1] s390/vfio-ap: GISA: sort out physical vs virtual pointers usage
Date: Tue,  8 Nov 2022 16:26:10 +0100	[thread overview]
Message-ID: <20221108152610.735205-1-nrb@linux.ibm.com> (raw)

Fix virtual vs physical address confusion (which currently are the same)
for the GISA when enabling the IRQ.

Signed-off-by: Nico Boehr <nrb@linux.ibm.com>
---
 drivers/s390/crypto/vfio_ap_ops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 0b4cc8c597ae..20859cabbced 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -429,7 +429,7 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q,
 
 	aqic_gisa.isc = nisc;
 	aqic_gisa.ir = 1;
-	aqic_gisa.gisa = (uint64_t)gisa >> 4;
+	aqic_gisa.gisa = (uint64_t)virt_to_phys(gisa) >> 4;
 
 	status = ap_aqic(q->apqn, aqic_gisa, h_nib);
 	switch (status.response_code) {
-- 
2.37.3


             reply	other threads:[~2022-11-08 15:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-08 15:26 Nico Boehr [this message]
2022-11-15  8:56 ` [PATCH v1] s390/vfio-ap: GISA: sort out physical vs virtual pointers usage Janosch Frank
2022-11-17  8:50   ` Nico Boehr
2022-11-17 10:01     ` Claudio Imbrenda
2022-11-17 17:55       ` Halil Pasic

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