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Merge tag 'drm-intel-fixes-2022-05-12' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

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Fix for #5732: (Cc stable) kernel memory corruption when running a lot of OpenCL tests in parallel

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YnykW6L4e7vD3yl3@jlahtine-mobl.ger.corp.intel.com
This commit is contained in:
Dave Airlie 2022-05-13 09:24:44 +10:00
commit c8f0c2d45c
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/i915/i915_vma.c
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@ -1605,17 +1605,17 @@ void i915_vma_close(struct i915_vma *vma)
static void __i915_vma_remove_closed(struct i915_vma *vma)
{
struct intel_gt *gt = vma->vm->gt;
spin_lock_irq(&gt->closed_lock);
list_del_init(&vma->closed_link);
spin_unlock_irq(&gt->closed_lock);
}
void i915_vma_reopen(struct i915_vma *vma)
{
struct intel_gt *gt = vma->vm->gt;
spin_lock_irq(&gt->closed_lock);
if (i915_vma_is_closed(vma))
__i915_vma_remove_closed(vma);
spin_unlock_irq(&gt->closed_lock);
}
void i915_vma_release(struct kref *ref)
@ -1641,6 +1641,7 @@ static void force_unbind(struct i915_vma *vma)
static void release_references(struct i915_vma *vma)
{
struct drm_i915_gem_object *obj = vma->obj;
struct intel_gt *gt = vma->vm->gt;
GEM_BUG_ON(i915_vma_is_active(vma));
@ -1650,7 +1651,9 @@ static void release_references(struct i915_vma *vma)
rb_erase(&vma->obj_node, &obj->vma.tree);
spin_unlock(&obj->vma.lock);
spin_lock_irq(&gt->closed_lock);
__i915_vma_remove_closed(vma);
spin_unlock_irq(&gt->closed_lock);
__i915_vma_put(vma);
}