linux-kernel - Re: [PATCH V2] arm64/mm: Fix __enable

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Message-Id: <161537411789.1674334.2037758954337206352.b4-ty@kernel.org>
Date:   Wed, 10 Mar 2021 11:39:16 +0000
From:   Will Deacon <will@...nel.org>
To:     Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Will Deacon <will@...nel.org>, kvmarm@...ts.cs.columbia.edu,
        linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Marc Zyngier <maz@...nel.org>
Subject: Re: [PATCH V2] arm64/mm: Fix __enable_mmu() for new TGRAN range values

On Wed, 10 Mar 2021 11:23:10 +0530, Anshuman Khandual wrote:
> As per ARM ARM DDI 0487G.a, when FEAT_LPA2 is implemented, ID_AA64MMFR0_EL1
> might contain a range of values to describe supported translation granules
> (4K and 16K pages sizes in particular) instead of just enabled or disabled
> values. This changes __enable_mmu() function to handle complete acceptable
> range of values (depending on whether the field is signed or unsigned) now
> represented with ID_AA64MMFR0_TGRAN_SUPPORTED_[MIN..MAX] pair. While here,
> also fix similar situations in EFI stub and KVM as well.

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64/mm: Fix __enable_mmu() for new TGRAN range values
      https://git.kernel.org/arm64/c/26f55386f964

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev