Re: [Xen-devel] [PATCH v2 3/6] x86/time: implement tsc as clocksource

[Joao Martins <joao.m.martins@xxxxxxxxxx>]

On 03/29/2016 06:39 PM, Konrad Rzeszutek Wilk wrote:
>>  static void tsc_check_slave(void *unused)
>> @@ -1437,6 +1515,20 @@ static int __init verify_tsc_reliability(void)
>>          }
>>      }
>>  
>> +    if ( !strcmp(opt_clocksource, "tsc") )
> 
> Pls also update xen-command-line.markdown 
> 
OK. I fixed it for the new clocksource, and also added documentation on the new
boot param that is introduced in the last patch.

>> +    {
>> +        if ( try_platform_timer(&plt_tsc) > 0 )
>> +        {
>> +            printk(XENLOG_INFO "Switched to Platform timer %s TSC\n",
>> +                   freq_string(plt_src.frequency));
>> +
>> +            init_percpu_time();
>> +
>> +            init_timer(&calibration_timer, time_calibration, NULL, 0);
>> +            set_timer(&calibration_timer, NOW() + EPOCH);
>> +        }
>> +    }
>> +
>>      return 0;
>>  }
>>  __initcall(verify_tsc_reliability);
>> @@ -1476,6 +1568,7 @@ void __init early_time_init(void)
>>      struct cpu_time *t = &this_cpu(cpu_time);
>>      u64 tmp = init_pit_and_calibrate_tsc();
>>  
>> +    tsc_freq = tmp;
>>      set_time_scale(&t->tsc_scale, tmp);
>>      t->local_tsc_stamp = boot_tsc_stamp;
>>  
>> -- 
>> 2.1.4
>>
>>
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>> http://lists.xen.org/xen-devel

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