linux-kernel - Re: [PATCH v2 0/7] iommu: Add MSI mapping support with nested SMMU (Part-1 core)

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Message-ID: <20250221145947.GM50639@nvidia.com>
Date: Fri, 21 Feb 2025 10:59:47 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: kevin.tian@...el.com, tglx@...utronix.de, maz@...nel.org,
	joro@...tes.org, will@...nel.org, robin.murphy@....com,
	shuah@...nel.org, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org, eric.auger@...hat.com,
	baolu.lu@...ux.intel.com, yi.l.liu@...el.com, yury.norov@...il.com,
	jacob.pan@...ux.microsoft.com, patches@...ts.linux.dev
Subject: Re: [PATCH v2 0/7] iommu: Add MSI mapping support with nested SMMU
 (Part-1 core)

On Wed, Feb 19, 2025 at 05:31:35PM -0800, Nicolin Chen wrote:
> 
> Jason Gunthorpe (5):
>   genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of
>     iommu_cookie
>   genirq/msi: Refactor iommu_dma_compose_msi_msg()
>   iommu: Make iommu_dma_prepare_msi() into a generic operation
>   irqchip: Have CONFIG_IRQ_MSI_IOMMU be selected by irqchips that need
>     it
>   iommufd: Implement sw_msi support natively
> 
> Nicolin Chen (2):
>   iommu: Turn fault_data to iommufd private pointer

I dropped this patch:

>   iommu: Turn iova_cookie to dma-iommu private pointer

And fixed up the two compilation issues found by building on my x86
config, plus Thomas's language update.

It is headed toward linux-next, give it till monday for a PR to Joerg
just incase there are more randconfig issues.

Thanks,
Jason