Re: [PATCH v12 11/11] x86/tsc: use tsc early

[Thomas Gleixner]

On Thu, 21 Jun 2018, Pavel Tatashin wrote:
>  /*
>   * Scheduler clock - returns current time in nanosec units.
>   */
> @@ -1354,6 +1364,7 @@ void __init tsc_early_delay_calibrate(void)
>  	lpj = tsc_khz * 1000;
>  	do_div(lpj, HZ);
>  	loops_per_jiffy = lpj;
> +	sched_clock_early_init(tsc_khz);
>  }
>  
>  void __init tsc_init(void)
> @@ -1382,6 +1393,7 @@ void __init tsc_init(void)
>  	if (!tsc_khz) {
>  		mark_tsc_unstable("could not calculate TSC khz");
>  		setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
> +		static_branch_disable(&__use_tsc);

This wants a proper comment.

>  		return;
>  	}

Thanks,

	tglx