Commit 1e3e7926 authored Aug 10, 2020 by Michael S. Tsirkin

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: 0ea9ee43 ("vdpasim: protect concurrent access to iommu iotlb")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent c84f91e2

drivers/vdpa/vdpa_sim/vdpa_sim.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);

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