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From: Tony Krowiak <akrowiak@linux.ibm.com>
To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Cc: kbuild-all@lists.01.org, freude@linux.ibm.com,
	borntraeger@de.ibm.com, cohuck@redhat.com,
	mjrosato@linux.ibm.com, pasic@linux.ibm.com,
	alex.williamson@redhat.com, kwankhede@nvidia.com
Subject: Re: [PATCH v11 01/14] s390/vfio-ap: No need to disable IRQ after queue reset
Date: Mon, 26 Oct 2020 12:57:12 -0400	[thread overview]
Message-ID: <8aa98c96-9194-504a-8e00-3354b5ca1d6c@linux.ibm.com> (raw)
In-Reply-To: <202010230305.RyRsFmf9-lkp@intel.com>



On 10/22/20 3:44 PM, kernel test robot wrote:
> Hi Tony,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on s390/features]
> [also build test WARNING on linus/master kvms390/next linux/master v5.9 next-20201022]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Tony-Krowiak/s390-vfio-ap-dynamic-configuration-support/20201023-011543
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
> config: s390-allyesconfig (attached as .config)
> compiler: s390-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # https://github.com/0day-ci/linux/commit/572c94c40a76754d49f07e4e383097d2db132f8c
>          git remote add linux-review https://github.com/0day-ci/linux
>          git fetch --no-tags linux-review Tony-Krowiak/s390-vfio-ap-dynamic-configuration-support/20201023-011543
>          git checkout 572c94c40a76754d49f07e4e383097d2db132f8c
>          # save the attached .config to linux build tree
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
>>> drivers/s390/crypto/vfio_ap_ops.c:1119:5: warning: no previous prototype for 'vfio_ap_mdev_reset_queue' [-Wmissing-prototypes]
>      1119 | int vfio_ap_mdev_reset_queue(unsigned int apid, unsigned int apqi,
>           |     ^~~~~~~~~~~~~~~~~~~~~~~~

This function needs to be made static because it is no longer defined in 
the header file.

>
> vim +/vfio_ap_mdev_reset_queue +1119 drivers/s390/crypto/vfio_ap_ops.c
>
> 258287c994de8f Tony Krowiak 2018-09-25  1118
> ec89b55e3bce7c Pierre Morel 2019-05-21 @1119  int vfio_ap_mdev_reset_queue(unsigned int apid, unsigned int apqi,
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1120  			     unsigned int retry)
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1121  {
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1122  	struct ap_queue_status status;
> ec89b55e3bce7c Pierre Morel 2019-05-21  1123  	int retry2 = 2;
> ec89b55e3bce7c Pierre Morel 2019-05-21  1124  	int apqn = AP_MKQID(apid, apqi);
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1125
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1126  	do {
> ec89b55e3bce7c Pierre Morel 2019-05-21  1127  		status = ap_zapq(apqn);
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1128  		switch (status.response_code) {
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1129  		case AP_RESPONSE_NORMAL:
> ec89b55e3bce7c Pierre Morel 2019-05-21  1130  			while (!status.queue_empty && retry2--) {
> ec89b55e3bce7c Pierre Morel 2019-05-21  1131  				msleep(20);
> ec89b55e3bce7c Pierre Morel 2019-05-21  1132  				status = ap_tapq(apqn, NULL);
> ec89b55e3bce7c Pierre Morel 2019-05-21  1133  			}
> 024cdcdbf3cf99 Halil Pasic  2019-09-03  1134  			WARN_ON_ONCE(retry2 <= 0);
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1135  			return 0;
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1136  		case AP_RESPONSE_RESET_IN_PROGRESS:
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1137  		case AP_RESPONSE_BUSY:
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1138  			msleep(20);
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1139  			break;
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1140  		default:
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1141  			/* things are really broken, give up */
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1142  			return -EIO;
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1143  		}
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1144  	} while (retry--);
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1145
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1146  	return -EBUSY;
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1147  }
> 46a7263d4746a2 Tony Krowiak 2018-09-25  1148
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org


  reply	other threads:[~2020-10-26 16:58 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22 17:11 [PATCH v11 00/14] s390/vfio-ap: dynamic configuration support Tony Krowiak
2020-10-22 17:11 ` [PATCH v11 01/14] s390/vfio-ap: No need to disable IRQ after queue reset Tony Krowiak
2020-10-22 19:44   ` kernel test robot
2020-10-26 16:57     ` Tony Krowiak [this message]
2020-10-27  6:48   ` Halil Pasic
2020-10-29 23:29     ` Tony Krowiak
2020-10-30 16:13       ` Tony Krowiak
2020-10-30 17:27       ` Halil Pasic
2020-10-30 20:45         ` Tony Krowiak
2020-10-30 17:42       ` Halil Pasic
2020-10-30 20:37         ` Tony Krowiak
2020-10-31  3:43           ` Halil Pasic
2020-11-02 14:35             ` Tony Krowiak
2020-10-30 17:54       ` Halil Pasic
2020-10-30 20:53         ` Tony Krowiak
2020-10-30 21:13           ` Tony Krowiak
2020-10-30 17:56       ` Halil Pasic
2020-10-30 21:17         ` Tony Krowiak
2020-10-22 17:11 ` [PATCH v11 02/14] 390/vfio-ap: use new AP bus interface to search for queue devices Tony Krowiak
2020-10-27  7:01   ` Halil Pasic
2020-11-02 21:57     ` Tony Krowiak
2020-10-22 17:11 ` [PATCH v11 03/14] s390/vfio-ap: manage link between queue struct and matrix mdev Tony Krowiak
2020-10-27  9:33   ` Halil Pasic
2020-10-22 17:11 ` [PATCH v11 04/14] s390/zcrypt: driver callback to indicate resource in use Tony Krowiak
2020-10-27 13:01   ` Halil Pasic
2020-10-27 16:55   ` Harald Freudenberger
2020-11-13 21:30     ` Tony Krowiak
2020-11-14  0:00       ` Halil Pasic
2020-11-16 16:23         ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 05/14] s390/vfio-ap: implement in-use callback for vfio_ap driver Tony Krowiak
2020-10-27 13:27   ` Halil Pasic
2020-11-13 17:14     ` Tony Krowiak
2020-11-13 23:47       ` Halil Pasic
2020-11-16 16:58         ` Tony Krowiak
2020-11-23 17:03         ` Cornelia Huck
2020-11-23 19:23           ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 06/14] s390/vfio-ap: introduce shadow APCB Tony Krowiak
2020-10-28  8:11   ` Halil Pasic
2020-11-13 17:18     ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 07/14] s390/vfio-ap: sysfs attribute to display the guest's matrix Tony Krowiak
2020-10-28  8:17   ` Halil Pasic
2020-11-13 17:27     ` Tony Krowiak
2020-11-13 23:12       ` Halil Pasic
2020-11-19 18:15         ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 08/14] s390/vfio-ap: hot plug/unplug queues on bind/unbind of queue device Tony Krowiak
2020-10-22 20:30   ` kernel test robot
2020-10-26 17:04     ` Tony Krowiak
2020-10-28 13:57   ` Halil Pasic
2020-11-03 22:49     ` Tony Krowiak
2020-11-04 12:52       ` Halil Pasic
2020-11-04 21:20         ` Tony Krowiak
2020-11-05 12:27           ` Halil Pasic
2020-11-13 20:36             ` Tony Krowiak
2020-11-04 13:23       ` Halil Pasic
2020-10-22 17:12 ` [PATCH v11 09/14] s390/vfio-ap: allow assignment of unavailable AP queues to mdev device Tony Krowiak
2020-10-28 15:03   ` Halil Pasic
2020-10-22 17:12 ` [PATCH v11 10/14] s390/vfio-ap: allow hot plug/unplug of AP resources using " Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 11/14] s390/zcrypt: Notify driver on config changed and scan complete callbacks Tony Krowiak
2020-10-27 17:28   ` Harald Freudenberger
2020-11-13 20:58     ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 12/14] s390/vfio-ap: handle host AP config change notification Tony Krowiak
2020-10-22 21:17   ` kernel test robot
2020-10-26 17:07     ` Tony Krowiak
2020-10-26 17:21     ` Tony Krowiak
2020-11-03  9:48   ` kernel test robot
2020-11-13 21:06     ` Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 13/14] s390/vfio-ap: handle AP bus scan completed notification Tony Krowiak
2020-10-22 17:12 ` [PATCH v11 14/14] s390/vfio-ap: update docs to include dynamic config support Tony Krowiak

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