linux-kernel - Re: [PATCH v4 15/34] arm64: asm: Provide set_sctlr

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Message-ID: <20210311162201.GE31206@willie-the-truck>
Date:   Thu, 11 Mar 2021 16:22:01 +0000
From:   Will Deacon <will@...nel.org>
To:     Quentin Perret <qperret@...gle.com>
Cc:     catalin.marinas@....com, maz@...nel.org, james.morse@....com,
        julien.thierry.kdev@...il.com, suzuki.poulose@....com,
        android-kvm@...gle.com, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com, kvmarm@...ts.cs.columbia.edu,
        linux-arm-kernel@...ts.infradead.org, tabba@...gle.com,
        mark.rutland@....com, dbrazdil@...gle.com, mate.toth-pal@....com,
        seanjc@...gle.com, robh+dt@...nel.org, ardb@...nel.org
Subject: Re: [PATCH v4 15/34] arm64: asm: Provide set_sctlr_el2 macro

On Wed, Mar 10, 2021 at 05:57:32PM +0000, Quentin Perret wrote:
> We will soon need to turn the EL2 stage 1 MMU on and off in nVHE
> protected mode, so refactor the set_sctlr_el1 macro to make it usable
> for that purpose.
> 
> Signed-off-by: Quentin Perret <qperret@...gle.com>
> ---
>  arch/arm64/include/asm/assembler.h | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)

Acked-by: Will Deacon <will@...nel.org>

Will