linux-kernel - Re: [PATCH 3/6] arm64/cpufeature: Add remaining feature bits in ID

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Date:   Fri, 20 Mar 2020 18:11:46 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     anshuman.khandual@....com, linux-arm-kernel@...ts.infradead.org
Cc:     catalin.marinas@....com, will@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] arm64/cpufeature: Add remaining feature bits in
 ID_MMFR4 register

On 01/28/2020 12:39 PM, Anshuman Khandual wrote:
> Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX,
> SpecSEI in ID_MMFR4 register per ARM DDI 0487E.a.

It might be worth adding a comment here mentioning why SpecSEI is
HIGHER_SAFE, unlike the majority.

> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Suzuki K Poulose <suzuki.poulose@....com>
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

With that:

Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>