Cregit: vgetcpu.c

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Andi Kleen	85	93.41%	1	25.00%
Marcelo Tosatti	4	4.40%	1	25.00%
Ingo Molnar	1	1.10%	1	25.00%
Steven Rostedt	1	1.10%	1	25.00%
Total	91		4

/*
 * Copyright 2006 Andi Kleen, SUSE Labs.
 * Subject to the GNU Public License, v.2
 *
 * Fast user context implementation of getcpu()
 */

#include <linux/kernel.h>
#include <linux/getcpu.h>
#include <linux/time.h>
#include <asm/vgtod.h>

notrace long
__vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused)
{
	unsigned int p;

	p = __getcpu();

	if (cpu)
		*cpu = p & VGETCPU_CPU_MASK;
	if (node)
		*node = p >> 12;
	return 0;
}

long getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache)
	__attribute__((weak, alias("__vdso_getcpu")));