[PATCH v3 10/22] arm64: capabilities: Allow features based on local CPU scope

Suzuki K Poulose Suzuki.Poulose at arm.com
Thu Mar 8 04:14:49 PST 2018


On 09/02/18 18:22, Dave Martin wrote:
> On Fri, Feb 09, 2018 at 05:54:49PM +0000, Suzuki K Poulose wrote:
>> So far we have treated the feature capabilities as system wide
>> and this doesn't help with features that could be detected on
> 
> doesn't -> wouldn't (since no such features exist yet)
> 
> detected to "detected locally" (maybe)
> 

Sure, fixed.

>> one or more CPUs (e.g, KPTI, Software prefetch). This patch
>> splits the feature detection to two phases :
>>
>>   1) Local CPU features are checked on all boot time active CPUs.
>>   2) System wide features are checked only once after all CPUs are
>>      active.
>>
>> Cc: Dave Martin <dave.martin at arm.com>
>> Signed-off-by: Suzuki K Poulose <suzuki.poulose at arm.com>
> 
> Otherwise,
> 
> Reviewed-by: Dave Martin <Dave.Martin at arm.com>
> 

Thanks,

Suzuki



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