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

From: kbuild test robot
Date: Sun Jul 24 2016 - 18:46:22 EST


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

Attachment: .config.gz
Description: Binary data