New warnings with gcc-11
Jani Nikula
jani.nikula at intel.com
Wed Apr 28 07:27:07 UTC 2021
On Tue, 27 Apr 2021, Linus Torvalds <torvalds at linux-foundation.org> wrote:
> I've updated to Fedora 34 on one of my machines, and it causes a lot
> of i915 warnings like
>
> drivers/gpu/drm/i915/intel_pm.c: In function ‘ilk_setup_wm_latency’:
> drivers/gpu/drm/i915/intel_pm.c:3059:9: note: referencing argument 3
> of type ‘const u16 *’ {aka ‘const short unsigned int *’}
> drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
> ‘intel_print_wm_latency’
>
> and the reason is that gcc now seems to look at the argument array
> size more, and notices that
Arnd Bergmann reported some of these a while back. I think we have some
of them fixed in our -next already, but not all. Thanks for the
reminder.
BR,
Jani.
--
Jani Nikula, Intel Open Source Graphics Center
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