23 lines
496 B
C
23 lines
496 B
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
/*
|
||
|
* Copyright 2006 Andi Kleen, SUSE Labs.
|
||
|
*
|
||
|
* 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)
|
||
|
{
|
||
|
vdso_read_cpunode(cpu, node);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
long getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache)
|
||
|
__attribute__((weak, alias("__vdso_getcpu")));
|