diff options
Diffstat (limited to 'include/asm-ppc/current.h')
| -rw-r--r-- | include/asm-ppc/current.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-ppc/current.h b/include/asm-ppc/current.h new file mode 100644 index 000000000..d815aaad3 --- /dev/null +++ b/include/asm-ppc/current.h @@ -0,0 +1,12 @@ +#ifndef _PPC_CURRENT_H +#define _PPC_CURRENT_H + +/* Some architectures may want to do something "clever" here since + * this is the most frequently accessed piece of data in the entire + * kernel. For an example, see the Sparc implementation where an + * entire register is hard locked to contain the value of current. + */ +extern struct task_struct *current_set[NR_CPUS]; +#define current (current_set[smp_processor_id()]) /* Current on this processor */ + +#endif /* !(_PPC_CURRENT_H) */ |