linux-kernel - Re: [PATCH 1/1] iommu/vt-d: Move PCI PASID enablement to probe path

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Message-ID: <20240820135228.GX3468552@ziepe.ca>
Date: Tue, 20 Aug 2024 10:52:28 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Yi Liu <yi.l.liu@...el.com>
Cc: Vasant Hegde <vasant.hegde@....com>,
	Baolu Lu <baolu.lu@...ux.intel.com>, Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
	Kevin Tian <kevin.tian@...el.com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] iommu/vt-d: Move PCI PASID enablement to probe path

On Tue, Aug 20, 2024 at 04:55:26PM +0800, Yi Liu wrote:

> Are we sure that it is ok to enable PRI before enabling ATS?

I did not see language in the spec prohibiting this order.

Jason