[Intel-gfx] ✗ Fi.CI.SPARSE: warning for i915 pvmmio to improve GVTg performance

[Patchwork]

== Series Details ==

Series: i915 pvmmio to improve GVTg performance
URL   : https://patchwork.freedesktop.org/series/52410/
State : warning

== Summary ==

$ dim sparse origin/drm-tip
Sparse version: v0.5.2
Commit: drm/i915: introduced pv capability for vgpu
-drivers/gpu/drm/i915/selftests/../i915_drv.h:3714:16: warning: expression using sizeof(void)
+drivers/gpu/drm/i915/selftests/../i915_drv.h:3721:16: warning: expression using sizeof(void)

Commit: drm/i915: get ready of memory for pvmmio
-drivers/gpu/drm/i915/selftests/../i915_drv.h:3721:16: warning: expression using sizeof(void)
+drivers/gpu/drm/i915/selftests/../i915_drv.h:3723:16: warning: expression using sizeof(void)

Commit: drm/i915: context submission pvmmio optimization
Okay!

Commit: drm/i915: ppgtt update pvmmio optimization
Okay!

Commit: drm/i915/gvt: GVTg handle pvmmio_caps PVINFO register
Okay!

Commit: drm/i915/gvt: GVTg handle shared_page setup
Okay!

Commit: drm/i915/gvt: GVTg support context submission pvmmio optimization
Okay!

Commit: drm/i915/gvt: GVTg support ppgtt pvmmio optimization
+./include/linux/slab.h:665:13: error: undefined identifier '__builtin_mul_overflow'
+./include/linux/slab.h:665:13: warning: call with no type!