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SubjectRe: [PATCH v3 09/22] arm64: capabilities: Split the processing of errata work arounds
On 09/02/18 18:18, Dave Martin wrote:
> On Fri, Feb 09, 2018 at 05:54:48PM +0000, Suzuki K Poulose wrote:
>> Right now we run through the errata workarounds check on all boot
>> active CPUs, with SCOPE_ALL. This doesn't help with detecting the
>> errata's with a SYSTEM_SCOPE. While nobody uses it, let us clean
>> this up in preparation for merging capability handling.
> errata; and SCOPE_SYSTEM (if I'm being pedantic)
> To make it clearer this this is adding support for new behaviour rather
> than changing old behaviour, perhaps change "This doesn't help ...
> While nobody uses it ..." to something like:
> "This wouldn't help for detecting erratum workarounds with SCOPE_SYSTEM.
> There are none yet, but we plan to introduce some: let us clean this up
> so that such workarounds can be detected and enabled correctly."


>> So, we run the checks with SCOPE_LOCAL_CPU on all CPUs and SCOPE_SYSTEM
>> checks are run only once after all the boot time CPUs are active.
>> Cc: Dave Martin <>
>> Signed-off-by: Suzuki K Poulose <>
> Otherwise,
> Reviewed-by: Dave Martin <>


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