summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_gem.h
diff options
context:
space:
mode:
authorMatthew Auld <matthew.auld@intel.com>2016-12-02 21:47:50 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2016-12-05 23:49:17 +0300
commit4cfa20c8345f04f0aa3ab5e33aa4487bbbcd8d9e (patch)
treebbdc45147ddb1a27c8a9393f9e1f65ddf5908529 /drivers/gpu/drm/i915/i915_gem.h
parent0798cff46bb2fc9ac24d5d465216db235a8f11f6 (diff)
downloadlinux-4cfa20c8345f04f0aa3ab5e33aa4487bbbcd8d9e.tar.xz
drm/i915: allow GEM_BUG_ON expr checking with !DEBUG_GEM
Use BUILD_BUG_ON_INVALID(expr) in GEM_BUG_ON when building without DEBUG_GEM. This means the compiler can now check the validity of expr without generating any code, in turn preventing us from inadvertently breaking the build when DEBUG_GEM is not enabled. Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161202184750.3843-1-matthew.auld@intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
index 51ec793f2e20..8801a14a78a2 100644
--- a/drivers/gpu/drm/i915/i915_gem.h
+++ b/drivers/gpu/drm/i915/i915_gem.h
@@ -28,7 +28,7 @@
#ifdef CONFIG_DRM_I915_DEBUG_GEM
#define GEM_BUG_ON(expr) BUG_ON(expr)
#else
-#define GEM_BUG_ON(expr) do { } while (0)
+#define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr)
#endif
#define I915_NUM_ENGINES 5