linux-kernel - Re: [PATCH] intel-iommu: Turn off translations at shutdown

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Message-ID: <CABeXuvpHYTU8qT5_+vxGUfLN34b6n-dF_5=KfRYp4eY22D8CKA@mail.gmail.com>
Date:   Fri, 8 Nov 2019 14:28:16 -0800
From:   Deepa Dinamani <deepa.kernel@...il.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     joro@...tes.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        iommu@...ts.linux-foundation.org,
        David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH] intel-iommu: Turn off translations at shutdown

> > +     x86_platform.iommu_shutdown = intel_iommu_shutdown;
>
> How about moving it to detect_intel_iommu() in drivers/iommu/dmar.c? And

Ok, makes sense to move it along with the init handler.

> make sure that it's included with CONFIG_X86_64.

You mean CONFIG_X86 like the init that is already there?

#ifdef CONFIG_X86
    if (!ret)
        x86_init.iommu.iommu_init = intel_iommu_init;
#endif

Thanks,
-Deepa