linux-kernel - Re: [PATCH 1/5] KVM: arm64: Drop direct PAGE

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Date:   Tue, 10 Aug 2021 14:20:15 +0100
From:   Will Deacon <will@...nel.org>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] KVM: arm64: Drop direct PAGE_[SHIFT|SIZE] usage as
 page size

On Tue, Aug 10, 2021 at 12:32:37PM +0530, Anshuman Khandual wrote:
> All instances here could just directly test against CONFIG_ARM64_XXK_PAGES
> instead of evaluating via PAGE_SHIFT or PAGE_SIZE. With this change, there
> will be no such usage left.
> 
> Cc: Marc Zyngier <maz@...nel.org>
> Cc: James Morse <james.morse@....com>
> Cc: Alexandru Elisei <alexandru.elisei@....com>
> Cc: Suzuki K Poulose <suzuki.poulose@....com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: kvmarm@...ts.cs.columbia.edu
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
>  arch/arm64/kvm/hyp/pgtable.c | 6 +++---
>  arch/arm64/mm/mmu.c          | 2 +-
>  2 files changed, 4 insertions(+), 4 deletions(-)

Why is this better?

WIll