linux-kernel - Re: [PATCH v4 09/22] arm64: capabilities: Split the processing of errata work arounds

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Message-ID: <943b6c94-25a7-55dc-5eb4-29ab3eb893c9@arm.com>
Date:   Thu, 22 Mar 2018 16:44:51 +0000
From:   Suzuki K Poulose <Suzuki.Poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, will.deacon@....com,
        dave.martin@....com, catalin.marinas@....com, marc.zyngier@....com,
        mark.rutland@....com, ard.biesheuvel@...aro.org,
        jnair@...iumnetworks.com, ckadabi@...eaurora.org,
        robin.murphy@....com, shankerd@...eaurora.org
Subject: Re: [PATCH v4 09/22] arm64: capabilities: Split the processing of
 errata work arounds

On 13/03/18 11:51, Suzuki K Poulose wrote:
> Right now we run through the errata workarounds check on all boot
> active CPUs, with SCOPE_ALL. This wouldn't help for detecting erratum
> workarounds with a SYSTEM_SCOPE. 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.
> 
> Reviewed-by: Dave Martin <dave.martin@....com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>


Changes since v3
  - Reworded commit description
  - Added Reviewed-by tag from Dave