tree: git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
head: 21a2c58a9c122151080ecbdddc115257cd7c30d8
commit: 2bd160a131ac617fc2441bfb4a02964c964a5da6 [7/33] drm/i915: Reduce i915_gem_objects to only show object information
config: x86_64-randconfig-s2-08151903 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
git checkout 2bd160a131ac617fc2441bfb4a02964c964a5da6
# save the attached .config to linux build tree
make ARCH=x86_64
Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings
All errors (new ones prefixed by >>):
cc1: warnings being treated as errors
drivers/gpu/drm/i915/i915_debugfs.c: In function 'i915_gem_object_info':
>> drivers/gpu/drm/i915/i915_debugfs.c:392: error: 'mapped_count' may be used uninitialized in this function
>> drivers/gpu/drm/i915/i915_debugfs.c:393: error: 'mapped_size' may be used uninitialized in this function
vim +/mapped_count +392 drivers/gpu/drm/i915/i915_debugfs.c
386 static int i915_gem_object_info(struct seq_file *m, void* data)
387 {
388 struct drm_info_node *node = m->private;
389 struct drm_device *dev = node->minor->dev;
390 struct drm_i915_private *dev_priv = to_i915(dev);
391 struct i915_ggtt *ggtt = &dev_priv->ggtt;
> 392 u32 count, mapped_count, purgeable_count, dpy_count;
> 393 u64 size, mapped_size, purgeable_size, dpy_size;
394 struct drm_i915_gem_object *obj;
395 struct drm_file *file;
396 int ret;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: Binary data
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