RSEQ_ACCESS_ONCE 54 tools/testing/selftests/rseq/rseq.h #define RSEQ_WRITE_ONCE(x, v) __extension__ ({ RSEQ_ACCESS_ONCE(x) = (v); }) RSEQ_ACCESS_ONCE 55 tools/testing/selftests/rseq/rseq.h #define RSEQ_READ_ONCE(x) RSEQ_ACCESS_ONCE(x) RSEQ_ACCESS_ONCE 111 tools/testing/selftests/rseq/rseq.h return RSEQ_ACCESS_ONCE(__rseq_abi.cpu_id); RSEQ_ACCESS_ONCE 127 tools/testing/selftests/rseq/rseq.h return RSEQ_ACCESS_ONCE(__rseq_abi.cpu_id_start);