Re: [PATCH 1/1] s390: vfio-ap: fix warning reset not completed

From: Tony Krowiak
Date: Wed Sep 04 2019 - 11:09:15 EST


On 9/3/19 12:45 PM, Cornelia Huck wrote:
On Tue, 3 Sep 2019 15:36:18 +0200
Halil Pasic <pasic@xxxxxxxxxxxxx> wrote:

"fix warning for not completed reset"?

The intention seems to be to warn once when we don't wait enough for the
reset to complete. Let's use the right retry counter to accomplish that
semantic.

Signed-off-by: Halil Pasic <pasic@xxxxxxxxxxxxx>
---
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 0604b49a4d32..5c0f53c6dde7 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -1143,7 +1143,7 @@ int vfio_ap_mdev_reset_queue(unsigned int apid, unsigned int apqi,
msleep(20);
status = ap_tapq(apqn, NULL);
}
- WARN_ON_ONCE(retry <= 0);
+ WARN_ON_ONCE(retry2 <= 0);
return 0;
case AP_RESPONSE_RESET_IN_PROGRESS:
case AP_RESPONSE_BUSY:

Makes sense.

Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>

Agreed:
Reviewed-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>