tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __ARCH_I386_PERCPU__
2#define __ARCH_I386_PERCPU__
3
4#ifndef __ASSEMBLY__
5#include <asm-generic/percpu.h>
6#else
7
8/*
9 * PER_CPU finds an address of a per-cpu variable.
10 *
11 * Args:
12 * var - variable name
13 * cpu - 32bit register containing the current CPU number
14 *
15 * The resulting address is stored in the "cpu" argument.
16 *
17 * Example:
18 * PER_CPU(cpu_gdt_descr, %ebx)
19 */
20#ifdef CONFIG_SMP
21#define PER_CPU(var, cpu) \
22 movl __per_cpu_offset(,cpu,4), cpu; \
23 addl $per_cpu__/**/var, cpu;
24#else /* ! SMP */
25#define PER_CPU(var, cpu) \
26 movl $per_cpu__/**/var, cpu;
27#endif /* SMP */
28
29#endif /* !__ASSEMBLY__ */
30
31#endif /* __ARCH_I386_PERCPU__ */