[Intel-gfx] [PATCH] drm/i915: Enable refcount debugging for default debug levels

Chris Wilson chris at chris-wilson.co.uk
Thu Jun 13 12:28:42 UTC 2019


refcount_t is our first line of defence against use-after-free, so let's
enable it for debugging.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index 09aa0f4c8bf1..8d922bb4d953 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -21,6 +21,7 @@ config DRM_I915_DEBUG
         depends on DRM_I915
         select DEBUG_FS
         select PREEMPT_COUNT
+        select REFCOUNT_FULL
         select I2C_CHARDEV
         select STACKDEPOT
         select DRM_DP_AUX_CHARDEV
-- 
2.20.1



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