Hi Sjur,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc.git for-next
head:   d09f53a735bae43806a77754312a45d3f1198342
commit: ec4d02d9180f407c41f8310a13b34e473c671fbb [7/12] remoteproc: Add STE modem driver
config: x86_64-randconfig-s058 (attached as .config)

All error/warnings:

ERROR: "vring_del_virtqueue" [drivers/remoteproc/remoteproc.ko] undefined!
ERROR: "register_virtio_device" [drivers/remoteproc/remoteproc.ko] undefined!
ERROR: "unregister_virtio_device" [drivers/remoteproc/remoteproc.ko] undefined!
ERROR: "vring_new_virtqueue" [drivers/remoteproc/remoteproc.ko] undefined!
ERROR: "vring_interrupt" [drivers/remoteproc/remoteproc.ko] undefined!
ERROR: "vring_transport_features" [drivers/remoteproc/remoteproc.ko] undefined!

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation