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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-26 13:23:10 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-26 13:43:33 +0200
commitaf055598542670c8533a58582813b1419949cae0 (patch)
tree901fa1bf635d5c1e91d08f9f4c2e4943516dbb71 /drivers/gpu/drm/i915/gvt/kvmgt.c
parent9f15a4ab19ab33658dbc9fd37be5210e8c1ac622 (diff)
parent2d62c799f8ffac4f7ffba6a4e7f148827dfc24c7 (diff)
Merge airlied/drm-next into drm-misc-next
I need this to be able to apply the deferred fbdev setup patches, I need the relevant prep work that landed through the drm-intel tree. Also squash in conflict fixup from Laurent Pinchart. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/kvmgt.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/kvmgt.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 1ae0b4083ce1..fd0c85f9ef3c 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -232,16 +232,20 @@ static void gvt_cache_destroy(struct intel_vgpu *vgpu)
struct device *dev = mdev_dev(vgpu->vdev.mdev);
unsigned long gfn;
- mutex_lock(&vgpu->vdev.cache_lock);
- while ((node = rb_first(&vgpu->vdev.cache))) {
+ for (;;) {
+ mutex_lock(&vgpu->vdev.cache_lock);
+ node = rb_first(&vgpu->vdev.cache);
+ if (!node) {
+ mutex_unlock(&vgpu->vdev.cache_lock);
+ break;
+ }
dma = rb_entry(node, struct gvt_dma, node);
gvt_dma_unmap_iova(vgpu, dma->iova);
gfn = dma->gfn;
-
- vfio_unpin_pages(dev, &gfn, 1);
__gvt_cache_remove_entry(vgpu, dma);
+ mutex_unlock(&vgpu->vdev.cache_lock);
+ vfio_unpin_pages(dev, &gfn, 1);
}
- mutex_unlock(&vgpu->vdev.cache_lock);
}
static struct intel_vgpu_type *intel_gvt_find_vgpu_type(struct intel_gvt *gvt,