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From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Halil Pasic <pasic@linux.ibm.com>, Tony Krowiak <akrowiak@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	freude@de.ibm.com, cohuck@redhat.com, pasic@linux.vnet.ibm.com,
	frankja@linux.ibm.com, jjherne@linux.ibm.com
Subject: Re: [PATCH v2] s390: vfio-ap: remove unnecessary calls to disable queue interrupts
Date: Tue, 3 Sep 2019 09:37:45 +0200	[thread overview]
Message-ID: <ee41fd9f-6ba3-3f7d-7715-e5fe3a6d52f1@de.ibm.com> (raw)
In-Reply-To: <20190830180250.79804f76.pasic@linux.ibm.com>



On 30.08.19 18:02, Halil Pasic wrote:

> From: Halil Pasic <pasic@linux.ibm.com>
> Date: Fri, 30 Aug 2019 16:03:42 +0200
> Subject: [PATCH 1/2] s390: vfio-ap: fix warning reset not completed
> 
> 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@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 e3bcb43..dd07ebf 100644
> --- a/drivers/s390/crypto/vfio_ap_ops.c
> +++ b/drivers/s390/crypto/vfio_ap_ops.c
> @@ -1144,7 +1144,7 @@ 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:

I think this patch alone makes certainly sense. Can you send that separately?
Or even better remove the retry parameter of that function. All users seem
to always pass in 1 as retry.


  reply	other threads:[~2019-09-03  7:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 17:48 Tony Krowiak
2019-08-19 18:56 ` Cornelia Huck
2019-08-30 16:02 ` Halil Pasic
2019-09-03  7:37   ` Christian Borntraeger [this message]
2019-09-04  7:35   ` Christian Borntraeger
2019-09-04 15:05     ` Tony Krowiak
2019-09-05 11:03       ` Halil Pasic
2019-09-05 10:24     ` Halil Pasic
2019-09-05 16:26   ` Tony Krowiak
2019-09-05 23:10     ` Halil Pasic

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