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SubjectRe: [ammarfaizi2-block:rostedt/linux-trace/ftrace/core 30/30] include/linux/cpumask.h:95:42: warning: function 'trace_event_get_offsets_foo_bar' might be a candidate for 'gnu_printf' format attribute
On Sat, 16 Jul 2022 09:09:15 +0800
kernel test robot <lkp@intel.com> wrote:

> All warnings (new ones prefixed by >>):
>
> In file included from include/trace/define_trace.h:102,
> from samples/trace_events/trace-events-sample.h:608,
> from samples/trace_events/trace-events-sample.c:12:
> samples/trace_events/./trace-events-sample.h: In function 'trace_event_get_offsets_foo_bar':
> >> include/linux/cpumask.h:95:42: warning: function 'trace_event_get_offsets_foo_bar' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
> 95 | #define cpu_possible_mask ((const struct cpumask *)&__cpu_possible_mask)
> | ^~~~~~~

Please quiet the gnu_printf warning. I actually missed a real build issue
from the kernel test robot in the last patch set because it was the needle
in the gnu_printf haystack :-p

That is, after having 10 of these warnings, I missed the one that actually
mattered.

-- Steve

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