diff options
Diffstat (limited to 'arch/x86_64/lib/delay.c')
| -rw-r--r-- | arch/x86_64/lib/delay.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/lib/delay.c b/arch/x86_64/lib/delay.c index aed61a668a1b..33a873a3c223 100644 --- a/arch/x86_64/lib/delay.c +++ b/arch/x86_64/lib/delay.c @@ -12,6 +12,7 @@ #include <linux/sched.h> #include <linux/delay.h> #include <asm/delay.h> +#include <asm/msr.h> #ifdef CONFIG_SMP #include <asm/smp.h> @@ -19,6 +20,12 @@ int x86_udelay_tsc = 0; /* Delay via TSC */ +int read_current_timer(unsigned long *timer_value) +{ + rdtscll(*timer_value); + return 0; +} + void __delay(unsigned long loops) { unsigned bclock, now; |