Re: [drm-intel:drm-intel-next-queued 273/275] drivers/gpu/drm/i915/i915_gem_gtt.c:2748:2: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t'

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 06/24/2015 01:00 PM, kbuild test robot wrote:
> tree:   git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
> head:   cfbcbcf86a2fe9e6841abf3ba798f62de5f14c68
> commit: 3c77ff539bce5ab9fe3c5da7929d311a44919b8c [273/275] drm/i915: Remove mostly unused variable in intel_rotate_fb_obj_pages
> config: i386-randconfig-x0-06241944 (attached as .config)
> reproduce:
>    git checkout 3c77ff539bce5ab9fe3c5da7929d311a44919b8c
>    # save the attached .config to linux build tree
>    make ARCH=i386
>
> All warnings (new ones prefixed by >>):
>
>     drivers/gpu/drm/i915/i915_gem_gtt.c: In function 'gen8_ppgtt_init':
>     drivers/gpu/drm/i915/i915_gem_gtt.c:955:22: warning: large integer implicitly truncated to unsigned type [-Woverflow]
>       ppgtt->base.total = 1ULL << 32;
>                           ^
>     drivers/gpu/drm/i915/i915_gem_gtt.c: In function 'intel_rotate_fb_obj_pages':
>>> drivers/gpu/drm/i915/i915_gem_gtt.c:2748:2: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' [-Wformat=]
>       DRM_DEBUG_KMS(
>       ^

Ah size_t again. :) Sounds like it should be %zu for obj->base.size. 
Interestingly this warning did not trigger on my machine.

Would you prefer a fixup patch, a resend of the offender, or manual 
maintainer intervention in git history? (In the last option note there 
are two instances to be fixed up, line 2748 and 2763.)

Tvrtko
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