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Re: [Xen-devel] [PATCH 5/8] x86/time: correctly honor late clearing of TSC related feature flags



>>> On 20.06.16 at 16:32, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 15/06/16 11:28, Jan Beulich wrote:
>> --- a/xen/arch/x86/time.c
>> +++ b/xen/arch/x86/time.c
>> @@ -1358,6 +1358,24 @@ static void time_calibration(void *unuse
>>                       &r, 1);
>>  }
>>  
>> +void __init clear_tsc_cap(unsigned int feature)
>> +{
>> +    void (*rendezvous_fn)(void *) = time_calibration_std_rendezvous;
> 
> This should read time_calibration_rendezvous_fn rather than assuming
> time_calibration_std_rendezvous.
> 
> Otherwise, there is a risk that it could be reset back to
> time_calibration_std_rendezvous.

But that's the purpose: We may need to switch back.

Jan


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