* Florian Weimer: > * Gavin Shan: > >> sched_getcpu() is glibc dependent and it can simply return the CPU >> ID from the registered rseq information, as Florian Weimer pointed. >> In this case, it's pointless to compare the return value from >> sched_getcpu() and that fetched from the registered rseq information. >> >> Fix the issue by replacing sched_getcpu() with getcpu(), as Florian >> suggested. The comments are modified accordingly. > > Note that getcpu was added in glibc 2.29, so perhaps you need to perform > a direct system call? One more thing: syscall(__NR_getcpu) also has the advantage that it wouldn't have to be changed again if node IDs become available via rseq and getcpu is implemented using that. Thanks, Florian
