linux-kernel - Re: [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions

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Date:   Fri, 6 Jan 2017 12:02:42 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Eric Auger <eric.auger@...hat.com>
Cc:     eric.auger.pro@...il.com, christoffer.dall@...aro.org,
        marc.zyngier@....com, robin.murphy@....com,
        alex.williamson@...hat.com, will.deacon@....com,
        tglx@...utronix.de, jason@...edaemon.net,
        linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
        drjones@...hat.com, linux-kernel@...r.kernel.org,
        pranav.sawargaonkar@...il.com, iommu@...ts.linux-foundation.org,
        punit.agrawal@....com, diana.craciun@....com, gpkulkarni@...il.com,
        shankerd@...eaurora.org, bharat.bhushan@....com,
        geethasowjanya.akula@...il.com
Subject: Re: [PATCH v6 00/18] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA
 reserved regions

On Thu, Jan 05, 2017 at 07:04:28PM +0000, Eric Auger wrote:
>   iommu/dma: Allow MSI-only cookies
>   iommu: Rename iommu_dm_regions into iommu_resv_regions
>   iommu: Add a new type field in iommu_resv_region
>   iommu: iommu_alloc_resv_region
>   iommu: Only map direct mapped regions
>   iommu: iommu_get_group_resv_regions
>   iommu: Implement reserved_regions iommu-group sysfs file
>   iommu/vt-d: Implement reserved region get/put callbacks
>   iommu/amd: Declare MSI and HT regions as reserved IOVA regions
>   iommu/arm-smmu: Implement reserved region get/put callbacks
>   iommu/arm-smmu-v3: Implement reserved region get/put callbacks

The iommu changes look mostly good to me. I posted a few comments to
individual patches.



	Joerg