On 8/15/24 11:58 AM, Breno Leitao wrote: >> 1) There exists some new-ish macros in overflow.h that perform >> wrapping arithmetic without triggering sanitizer splats -- check out >> the wrapping_* suite of macros. > > do they work for atomic? I suppose we also need to have them added to > this_cpu_add(), this_cpu_sub() helpers.
I don't think so, it's the bias added specifically to the atomic_long_t that's the issue with the percpu refs. -- Jens Axboe
