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From:   Oliver Upton <oliver.upton@linux.dev>
To:     Marc Zyngier <maz@kernel.org>
Cc:     kvmarm@lists.linux.dev, kvm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Will Deacon <will@kernel.org>
Subject: Re: [PATCH v2 3/5] KVM: arm64: pkvm: Document the side effects of
 kvm_flush_dcache_to_poc()
Message-ID: <ZDdIh9xn8F/4S6Zm@linux.dev>
References: <20230408160427.10672-1-maz@kernel.org>
 <20230408160427.10672-4-maz@kernel.org>
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On Sat, Apr 08, 2023 at 05:04:25PM +0100, Marc Zyngier wrote:
> We rely on the presence of a DSB at the end of kvm_flush_dcache_to_poc()
> that, on top of ensuring completion of the cache clean, also covers
> the speculative page table walk started from EL1.
> 
> Document this dependency.
> 
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Reviewed-by: Oliver Upton <oliver.upton@linux.dev>

-- 
Thanks,
Oliver