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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-23 11:00:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-23 11:00:57 -0700 |
| commit | 9313f8026328d0309d093f6774be4b8f5340c0e5 (patch) | |
| tree | a9346e155bf891d60bed1e4f8013752a3c27b828 /include | |
| parent | 090a7d046fedaaaf41fcdd84ca11764fa5d35233 (diff) | |
| parent | 88a0d60c6445f315fbcfff3db792021bb3a67b28 (diff) | |
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"vhost, vdpa, and virtio cleanups and fixes
A very quiet cycle, no new features"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
MAINTAINERS: add URL for virtio-mem
vhost_vdpa: remove unnecessary spin_lock in vhost_vring_call
vringh: fix __vringh_iov() when riov and wiov are different
vdpa/mlx5: Setup driver only if VIRTIO_CONFIG_S_DRIVER_OK
s390: virtio: PV needs VIRTIO I/O device protection
virtio: let arch advertise guest's memory access restrictions
vhost_vdpa: Fix duplicate included kernel.h
vhost: reduce stack usage in log_used
virtio-mem: Constify mem_id_table
virtio_input: Constify id_table
virtio-balloon: Constify id_table
vdpa/mlx5: Fix failure to bring link up
vdpa/mlx5: Make use of a specific 16 bit endianness API
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/virtio_config.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 4b8e38c5c4d8..8519b3ae5d52 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -557,4 +557,14 @@ static inline void virtio_cwrite64(struct virtio_device *vdev, virtio_cread_le((vdev), structname, member, ptr); \ _r; \ }) + +#ifdef CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS +int arch_has_restricted_virtio_memory_access(void); +#else +static inline int arch_has_restricted_virtio_memory_access(void) +{ + return 0; +} +#endif /* CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS */ + #endif /* _LINUX_VIRTIO_CONFIG_H */ |