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

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Message-ID: <2f09d7f4-6c9a-91f1-4618-c196f46870b9@linux.intel.com>
Date:   Sat, 9 Nov 2019 08:35:33 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Deepa Dinamani <deepa.kernel@...il.com>
Cc:     baolu.lu@...ux.intel.com, 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

Hi,

On 11/9/19 6:28 AM, Deepa Dinamani wrote:
>>> +     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
> 

Yes.

Also, change the title to "iommu/vt-d: Turn off ..."

Best regards,
baolu