]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - include/asm-i386/percpu.h
a10e7c68ae9dcdc483345aea3510fc853da6e65b
[mirror_ubuntu-jammy-kernel.git] / include / asm-i386 / percpu.h
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__ */