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authorGreg Kroah-Hartman2019-04-21 23:18:44 +0200
committerGreg Kroah-Hartman2019-04-21 23:18:44 +0200
commit817de6b85914a3dda72b971c074d4d342965fba0 (patch)
treedf0a4563a04aadb8f8595f72392d66d65797c455 /drivers/gpu/drm/i915/gvt/gtt.c
parentstaging: kpc2000: add initial set of Daktronics drivers (diff)
parentLinux 5.1-rc6 (diff)
downloadkernel-qcow2-linux-817de6b85914a3dda72b971c074d4d342965fba0.tar.gz
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Merge 5.1-rc6 into staging-next
We want the fixes in here as well as this resolves an iio driver merge issue. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index d7052ab7908c..9814773882ec 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -750,14 +750,20 @@ static void ppgtt_free_spt(struct intel_vgpu_ppgtt_spt *spt)
static void ppgtt_free_all_spt(struct intel_vgpu *vgpu)
{
- struct intel_vgpu_ppgtt_spt *spt;
+ struct intel_vgpu_ppgtt_spt *spt, *spn;
struct radix_tree_iter iter;
- void **slot;
+ LIST_HEAD(all_spt);
+ void __rcu **slot;
+ rcu_read_lock();
radix_tree_for_each_slot(slot, &vgpu->gtt.spt_tree, &iter, 0) {
spt = radix_tree_deref_slot(slot);
- ppgtt_free_spt(spt);
+ list_move(&spt->post_shadow_list, &all_spt);
}
+ rcu_read_unlock();
+
+ list_for_each_entry_safe(spt, spn, &all_spt, post_shadow_list)
+ ppgtt_free_spt(spt);
}
static int ppgtt_handle_guest_write_page_table_bytes(
@@ -1946,7 +1952,7 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
*/
void intel_vgpu_unpin_mm(struct intel_vgpu_mm *mm)
{
- atomic_dec(&mm->pincount);
+ atomic_dec_if_positive(&mm->pincount);
}
/**