12 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#define DECLARE_PER_CPU(type, val) extern type val3#define DEFINE_PER_CPU(type, val) type val4 5#define __get_cpu_var(var) var6#define this_cpu_ptr(var) var7#define this_cpu_read(var) var8#define this_cpu_xchg(var, val) uatomic_xchg(&var, val)9#define this_cpu_cmpxchg(var, old, new) uatomic_cmpxchg(&var, old, new)10#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })11#define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu))12