diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/vdso/vgetcpu.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/vdso/vgetcpu.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/ANDROID_3.4.5/arch/x86/vdso/vgetcpu.c b/ANDROID_3.4.5/arch/x86/vdso/vgetcpu.c deleted file mode 100644 index 5463ad55..00000000 --- a/ANDROID_3.4.5/arch/x86/vdso/vgetcpu.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * 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/jiffies.h> -#include <linux/time.h> -#include <asm/vsyscall.h> -#include <asm/vgtod.h> - -notrace long -__vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) -{ - unsigned int p; - - if (VVAR(vgetcpu_mode) == VGETCPU_RDTSCP) { - /* Load per CPU data from RDTSCP */ - native_read_tscp(&p); - } else { - /* Load per CPU data from GDT */ - asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG)); - } - if (cpu) - *cpu = p & 0xfff; - if (node) - *node = p >> 12; - return 0; -} - -long getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache) - __attribute__((weak, alias("__vdso_getcpu"))); |