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| H A D | trace_osnoise.c | 2a81afa3 Mon Jun 28 04:45:48 CDT 2021 Daniel Bristot de Oliveira <bristot@redhat.com> trace/osnoise: Make interval u64 on osnoise_main
kernel test robot reported:
>> kernel/trace/trace_osnoise.c:966:3: warning: comparison of distinct
pointer types ('typeof ((interval)) *' (aka 'long long *') and
'uint64_t *' (aka 'unsigned long long *'))
[-Wcompare-distinct-pointer-types]
do_div(interval, USEC_PER_MSEC);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/div64.h:228:28: note: expanded from macro 'do_div'
(void)(((typeof((n)) *)0) == ((uint64_t *)0)); \
~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
As interval cannot be negative because sample_period >= sample_runtime,
making interval u64 on osnoise_main() is enough to fix this problem.
Link: https://lkml.kernel.org/r/4ae1e7780563598563de079a3ef6d4d10b5f5546.1624872608.git.bristot@redhat.com
Fixes: bce29ac9ce0b ("trace: Add osnoise tracer")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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