An i915_vma struct on the stack may push the frame over the limit, if
set conservatively, so move it to the heap.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.a...@intel.com>
---
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index d94db487c4dd..f7aa0036d900 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -212,10 +212,12 @@ static int lowlevel_hole(struct drm_i915_private *i915,
unsigned long end_time)
{
I915_RND_STATE(seed_prng);
+ struct i915_vma *mock_vma;
unsigned int size;
- struct i915_vma mock_vma;
- memset(&mock_vma, 0, sizeof(struct i915_vma));
+ mock_vma = kzalloc(sizeof(*mock_vma), GFP_KERNEL);
+ if (!mock_vma)
+ return -ENOMEM;
/* Keep creating larger objects until one cannot fit into the hole */
for (size = 12; (hole_end - hole_start) >> size; size++) {
@@ -239,8 +241,10 @@ static int lowlevel_hole(struct drm_i915_private *i915,
if (order)
break;
} while (count >>= 1);
- if (!count)
+ if (!count) {
+ kfree(mock_vma);
return -ENOMEM;
+ }
GEM_BUG_ON(!order);
GEM_BUG_ON(count * BIT_ULL(size) > vm->total);
@@ -283,12 +287,12 @@ static int lowlevel_hole(struct drm_i915_private *i915,
vm->allocate_va_range(vm, addr, BIT_ULL(size)))
break;
- mock_vma.pages = obj->mm.pages;
- mock_vma.node.size = BIT_ULL(size);
- mock_vma.node.start = addr;
+ mock_vma->pages = obj->mm.pages;
+ mock_vma->node.size = BIT_ULL(size);
+ mock_vma->node.start = addr;
with_intel_runtime_pm(&i915->runtime_pm, wakeref)
- vm->insert_entries(vm, &mock_vma,
+ vm->insert_entries(vm, mock_vma,
I915_CACHE_NONE, 0);
}
count = n;
@@ -311,6 +315,7 @@ static int lowlevel_hole(struct drm_i915_private *i915,
cleanup_freed_objects(i915);
}
+ kfree(mock_vma);
return 0;
}
--
2.24.0
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