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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-15 18:13:41 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-15 18:13:41 -0800 |
commit | ed3c5a0be38c180ab0899a0f52719e81f36b87a1 (patch) | |
tree | 684eb66d1e8513b4584c680e157f3887c04c58ba /drivers/virtio/virtio_ring.c | |
parent | 66d466722c39f663b2bbeb44ba4f9419a548fa23 (diff) | |
parent | 6bdf1e0efb04a1716373646cb6f35b73addca492 (diff) |
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"virtio, vhost: new device, fixes, speedups
This includes the new virtio crypto device, and fixes all over the
place. In particular enabling endian-ness checks for sparse builds
found some bugs which this fixes. And it appears that everyone is in
agreement that disabling endian-ness sparse checks shouldn't be
necessary any longer.
So this enables them for everyone, and drops the __CHECK_ENDIAN__ and
__bitwise__ APIs.
IRQ handling in virtio has been refactored somewhat, the larger switch
to IRQ_SHARED will have to wait as it proved too aggressive"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits)
Makefile: drop -D__CHECK_ENDIAN__ from cflags
fs/logfs: drop __CHECK_ENDIAN__
Documentation/sparse: drop __CHECK_ENDIAN__
linux: drop __bitwise__ everywhere
checkpatch: replace __bitwise__ with __bitwise
Documentation/sparse: drop __bitwise__
tools: enable endian checks for all sparse builds
linux/types.h: enable endian checks for all sparse builds
virtio_mmio: Set dev.release() to avoid warning
vhost: remove unused feature bit
virtio_ring: fix description of virtqueue_get_buf
vhost/scsi: Remove unused but set variable
tools/virtio: use {READ,WRITE}_ONCE() in uaccess.h
vringh: kill off ACCESS_ONCE()
tools/virtio: fix READ_ONCE()
crypto: add virtio-crypto driver
vhost: cache used event for better performance
vsock: lookup and setup guest_cid inside vhost_vsock_lock
virtio_pci: split vp_try_to_find_vqs into INTx and MSI-X variants
virtio_pci: merge vp_free_vectors into vp_del_vqs
...
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r-- | drivers/virtio/virtio_ring.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 489bfc61cf30..409aeaa49246 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -420,7 +420,7 @@ unmap_release: if (i == err_idx) break; vring_unmap_one(vq, &desc[i]); - i = vq->vring.desc[i].next; + i = virtio16_to_cpu(_vq->vdev, vq->vring.desc[i].next); } vq->vq.num_free += total_sg; @@ -601,7 +601,7 @@ EXPORT_SYMBOL_GPL(virtqueue_kick); static void detach_buf(struct vring_virtqueue *vq, unsigned int head) { unsigned int i, j; - u16 nextflag = cpu_to_virtio16(vq->vq.vdev, VRING_DESC_F_NEXT); + __virtio16 nextflag = cpu_to_virtio16(vq->vq.vdev, VRING_DESC_F_NEXT); /* Clear data ptr. */ vq->desc_state[head].data = NULL; @@ -649,7 +649,7 @@ static inline bool more_used(const struct vring_virtqueue *vq) * @vq: the struct virtqueue we're talking about. * @len: the length written into the buffer * - * If the driver wrote data into the buffer, @len will be set to the + * If the device wrote data into the buffer, @len will be set to the * amount written. This means you don't need to clear the buffer * beforehand to ensure there's no data leakage in the case of short * writes. |