Re: [PATCH 3/7] MIPS: csrc-r4k: Select HAVE_UNSTABLE_SCHED_CLOCK if 64BIT

[Jiaxun Yang]

在2024年6月1日六月 下午11:30，Maciej W. Rozycki写道：
> On Sat, 11 May 2024, Jiaxun Yang wrote:
>
>> csrc-r4k suffers from SMP synchronization overhead.
> [...]
>> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
>> index f1aa1bf11166..fa8ca0287568 100644
>> --- a/arch/mips/Kconfig
>> +++ b/arch/mips/Kconfig
>> @@ -1083,6 +1083,7 @@ config CSRC_IOASIC
>>  
>>  config CSRC_R4K
>>  	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
>> +	select HAVE_UNSTABLE_SCHED_CLOCK if 64BIT
>
>  Shouldn't it be:
>
> 	select HAVE_UNSTABLE_SCHED_CLOCK if 64BIT && SMP

This option is not depending on SMP on x86 and PARISC, so I followed
the same approach.

But yes, it makes sense to depend on SMP.

Thanks
>
> then?
>
>   Maciej

-- 
- Jiaxun