Re: [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c

[David Vrabel <david.vrabel@citrix.com>]

On 05/10/12 12:18, David Vrabel wrote:
> Move native_read_tsc() to tsc.c to allow profiling to be re-enabled
> for rtc.c.

Sorry, dropped the EXPORT_SYMBOL() by mistake.  I'll fix this and repost.

David

> diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
> index af6db6e..8ab7c62 100644
> --- a/arch/x86/kernel/rtc.c
> +++ b/arch/x86/kernel/rtc.c
> @@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
>  	ts->tv_nsec = 0;
>  }
>  
> -unsigned long long native_read_tsc(void)
> -{
> -	return __native_read_tsc();
> -}
> -EXPORT_SYMBOL(native_read_tsc);
> -
>  
>  static struct resource rtc_resources[] = {
>  	[0] = {
> diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> index cfa5d4f..15e190a 100644
> --- a/arch/x86/kernel/tsc.c
> +++ b/arch/x86/kernel/tsc.c
> @@ -77,6 +77,11 @@ unsigned long long
>  sched_clock(void) __attribute__((alias("native_sched_clock")));
>  #endif
>  
> +unsigned long long native_read_tsc(void)
> +{
> +	return __native_read_tsc();
> +}
> +
>  int check_tsc_unstable(void)
>  {
>  	return tsc_unstable;