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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 /drivers/vhost/vhost.c | |
| 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 'drivers/vhost/vhost.c')
| -rw-r--r-- | drivers/vhost/vhost.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9ad45e1d27f0..5c835a292783 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -302,7 +302,6 @@ static void vhost_vring_call_reset(struct vhost_vring_call *call_ctx) { call_ctx->ctx = NULL; memset(&call_ctx->producer, 0x0, sizeof(struct irq_bypass_producer)); - spin_lock_init(&call_ctx->ctx_lock); } static void vhost_vq_reset(struct vhost_dev *dev, @@ -1650,9 +1649,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *arg break; } - spin_lock(&vq->call_ctx.ctx_lock); swap(ctx, vq->call_ctx.ctx); - spin_unlock(&vq->call_ctx.ctx_lock); break; case VHOST_SET_VRING_ERR: if (copy_from_user(&f, argp, sizeof f)) { @@ -1897,7 +1894,7 @@ static int log_write_hva(struct vhost_virtqueue *vq, u64 hva, u64 len) static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len) { - struct iovec iov[64]; + struct iovec *iov = vq->log_iov; int i, ret; if (!vq->iotlb) |