linux-kernel - Re: [PATCH v1 0/2] iommufd: Allocate attach

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Message-ID: <20250211182137.GM3754072@nvidia.com>
Date: Tue, 11 Feb 2025 14:21:37 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: kevin.tian@...el.com, eric.auger@...hat.com, baolu.lu@...ux.intel.com,
	yi.l.liu@...el.com, patches@...ts.linux.dev, joro@...tes.org,
	will@...nel.org, robin.murphy@....com, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 0/2] iommufd: Allocate attach_handle for any HWPT

On Mon, Feb 03, 2025 at 09:00:53PM -0800, Nicolin Chen wrote:
> An attach_handle is a hwpt->fault specific thing, so the fault.c has been
> holding a set of attach/detach/replace helpers for attach_handle and iopf
> enabling/disabling.
> 
> Now, both the iommufd_msi series [1] and the attach_pasid series [2] want
> to reuse the attach_handle for non-fault cases. Rework the attach_handle,
> to prepare for either of the series. It should be merged with either that
> gets merged first.
> 
> [1] https://lore.kernel.org/linux-iommu/cover.1736550979.git.nicolinc@nvidia.com/
> [2] https://lore.kernel.org/linux-iommu/20241219132746.16193-1-yi.l.liu@intel.com/
> 
> Patches in this series are from [1] with some fixes addressing the review
> comments.

Applied, the other patches can rebase on top of this

Thanks,
Jason