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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
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#define __ASM_SMP_H
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#include <linux/cpumask.h>
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extern cpumask_t phys_cpu_present_map;
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#define cpu_possible_map phys_cpu_present_map
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#define __smp_processor_id() (current_thread_info()->cpu)
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#endif
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