On Tue, Feb 13, 2018 at 6:59 PM, Gustavo A. R. Silva <garsi...@embeddedor.com> wrote: > Add suffix ULL to constant 1000 in order to give the compiler complete > information about the proper arithmetic to use. Notice that this > constant is used in a context that expects an expression of type > u64 (64 bits, unsigned). > > The expression threshold_us * 1000 is currently being evaluated > using 32-bit arithmetic.
> - u64 threshold_ns = threshold_us * 1000; > + u64 threshold_ns = threshold_us * 1000ULL; Shouldn't be other way around, i.e. (u64)threshold_us ? But still the question. have you checked all callers? Does it even makes sense? -- With Best Regards, Andy Shevchenko