mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-22 18:44:44 +08:00
8d20a541b0
Patches to support SMP. * Each CPU has its own current_pgd. * flush_tlb_range is implemented as flush_tlb_mm. * Atomic operations implemented with spinlocks. * Semaphores implemented with spinlocks. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
12 lines
221 B
C
12 lines
221 B
C
#ifndef __ASM_SMP_H
|
|
#define __ASM_SMP_H
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
extern cpumask_t phys_cpu_present_map;
|
|
#define cpu_possible_map phys_cpu_present_map
|
|
|
|
#define __smp_processor_id() (current_thread_info()->cpu)
|
|
|
|
#endif
|