linux-kernel - Re: [PATCH v4 7/8] iommu/arm-smmu-v3: Skip cd sync if CD table isn't active

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Message-ID: <CAKHBV24356NsGu8QL3iVh2ANt8NMGx+ppMuwgYF=hwHTVE0-MQ@mail.gmail.com>
Date:   Mon, 7 Aug 2023 23:02:36 +0800
From:   Michael Shavit <mshavit@...gle.com>
To:     Nicolin Chen <nicolinc@...dia.com>
Cc:     iommu@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, will@...nel.org,
        robin.murphy@....com, jgg@...dia.com, jean-philippe@...aro.org
Subject: Re: [PATCH v4 7/8] iommu/arm-smmu-v3: Skip cd sync if CD table isn't active

On Sat, Aug 5, 2023 at 3:59 AM Nicolin Chen <nicolinc@...dia.com> wrote:
>
> Before this chunk, there is another fork for "Bypass/fault", where
> we could set "installed" to false too, although it doesn't seem to
> cause a problem at this moment since arm_smmu_sync_cd() is called
> only in the context of an ARM_SMMU_DOMAIN_S1.

Oh, good catch; I didn't notice the return in that branch.
Fixing in v5.