diff options
Diffstat (limited to 'include/asm-generic/percpu.h')
| -rw-r--r-- | include/asm-generic/percpu.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index c0caf433a7d7..6d45ee5472af 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h | |||
| @@ -7,13 +7,18 @@ | |||
| 7 | 7 | ||
| 8 | extern unsigned long __per_cpu_offset[NR_CPUS]; | 8 | extern unsigned long __per_cpu_offset[NR_CPUS]; |
| 9 | 9 | ||
| 10 | #define per_cpu_offset(x) (__per_cpu_offset[x]) | ||
| 11 | |||
| 10 | /* Separate out the type, so (int[3], foo) works. */ | 12 | /* Separate out the type, so (int[3], foo) works. */ |
| 11 | #define DEFINE_PER_CPU(type, name) \ | 13 | #define DEFINE_PER_CPU(type, name) \ |
| 12 | __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name | 14 | __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name |
| 13 | 15 | ||
| 14 | /* var is in discarded region: offset to particular copy we want */ | 16 | /* var is in discarded region: offset to particular copy we want */ |
| 15 | #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu])) | 17 | #define per_cpu(var, cpu) (*({ \ |
| 18 | extern int simple_indentifier_##var(void); \ | ||
| 19 | RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]); })) | ||
| 16 | #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) | 20 | #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) |
| 21 | #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) | ||
| 17 | 22 | ||
| 18 | /* A macro to avoid #include hell... */ | 23 | /* A macro to avoid #include hell... */ |
| 19 | #define percpu_modcopy(pcpudst, src, size) \ | 24 | #define percpu_modcopy(pcpudst, src, size) \ |
| @@ -30,6 +35,7 @@ do { \ | |||
| 30 | 35 | ||
| 31 | #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) | 36 | #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) |
| 32 | #define __get_cpu_var(var) per_cpu__##var | 37 | #define __get_cpu_var(var) per_cpu__##var |
| 38 | #define __raw_get_cpu_var(var) per_cpu__##var | ||
| 33 | 39 | ||
| 34 | #endif /* SMP */ | 40 | #endif /* SMP */ |
| 35 | 41 | ||
