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| author |   Michael S. Tsirkin <mst@redhat.com> | 2020-08-10 08:44:43 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-08-10 08:44:47 -0400 |
| commit | 1e3e792650d2c0df8dd796906275b7c79e278664 (patch) | |
| tree | 57f8c569ab0f44f37ba929be03de3cc326e4aedc /drivers/vdpa | |
| parent | virtio_config: fix up warnings on parisc (diff) | |
| download | wireguard-linux-1e3e792650d2c0df8dd796906275b7c79e278664.tar.xz wireguard-linux-1e3e792650d2c0df8dd796906275b7c79e278664.zip | |
vdpa_sim: init iommu lock
The patch adding the iommu lock did not initialize it.
The struct is zero-initialized so this is mostly a problem
when using lockdep.
Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Fixes: 0ea9ee430e74 ("vdpasim: protect concurrent access to iommu iotlb")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index df3224b138ee..604d9d25ca47 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -358,6 +358,7 @@ static struct vdpasim *vdpasim_create(void) INIT_WORK(&vdpasim->work, vdpasim_work); spin_lock_init(&vdpasim->lock); + spin_lock_init(&vdpasim->iommu_lock); dev = &vdpasim->vdpa.dev; dev->coherent_dma_mask = DMA_BIT_MASK(64); |