xref: /linux/tools/testing/radix-tree/linux/percpu.h (revision 44f57d78)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #define DECLARE_PER_CPU(type, val) extern type val
3 #define DEFINE_PER_CPU(type, val) type val
4 
5 #define __get_cpu_var(var)	var
6 #define this_cpu_ptr(var)	var
7 #define this_cpu_read(var)	var
8 #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