linux-kernel - Re: [RFC V2 03/10] arm64/mm: Add FEAT_LPA2 specific TCR

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Message-ID: <20210805170559.GD6719@arm.com>
Date:   Thu, 5 Aug 2021 18:06:00 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, akpm@...ux-foundation.org,
        suzuki.poulose@....com, mark.rutland@....com, will@...nel.org,
        maz@...nel.org, james.morse@....com, steven.price@....com
Subject: Re: [RFC V2 03/10] arm64/mm: Add FEAT_LPA2 specific TCR_EL1.DS field

On Mon, Jul 26, 2021 at 12:07:18PM +0530, Anshuman Khandual wrote:
> As per ARM ARM (0487G.A) TCR_EL1.DS fields controls whether 52 bit input
> and output address get supported on 4K and 16K page size configuration,
> when FEAT_LPA2 is known to have been implemented. This adds TCR_DS field
> definition which would be used when FEAT_LPA2 gets enabled.
> 
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

Acked-by: Catalin Marinas <catalin.marinas@....com>