linux-kernel - Re: [PATCH v3] virtio: new feature to detect IOMMU device quirk

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Message-ID: <201607250614.yUL5cUq0%fengguang.wu@intel.com>
Date:	Mon, 25 Jul 2016 06:44:41 +0800
From:	kbuild test robot <lkp@...el.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v3] virtio: new feature to detect IOMMU device quirk

Hi,

[auto build test ERROR on stable/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Michael-S-Tsirkin/virtio-new-feature-to-detect-IOMMU-device-quirk/20160724-030032
base:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git master
config: x86_64-lkp (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/virtio/virtio_ring.c: In function 'vring_transport_features':
>> drivers/virtio/virtio_ring.c:1109:8: error: 'VIRTIO_F_IOMMU_PASSTHROUGH' undeclared (first use in this function)
      case VIRTIO_F_IOMMU_PASSTHROUGH:
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/virtio/virtio_ring.c:1109:8: note: each undeclared identifier is reported only once for each function it appears in

vim +/VIRTIO_F_IOMMU_PASSTHROUGH +1109 drivers/virtio/virtio_ring.c

  1103			case VIRTIO_RING_F_INDIRECT_DESC:
  1104				break;
  1105			case VIRTIO_RING_F_EVENT_IDX:
  1106				break;
  1107			case VIRTIO_F_VERSION_1:
  1108				break;
> 1109			case VIRTIO_F_IOMMU_PASSTHROUGH:
  1110				break;
  1111			case VIRTIO_F_IOMMU_PLATFORM:
  1112				/* Ignore passthrough hint for now, obey kernel config. */

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (22900 bytes)