[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
More information about the linux-arm-kernel
mailing list