linux-kernel - Re: [PATCH v2] iommu/arm-smmu-v3: Match Stall behaviour for S2

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Message-ID: <20240815120534.GD3468552@ziepe.ca>
Date: Thu, 15 Aug 2024 09:05:34 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Mostafa Saleh <smostafa@...gle.com>
Cc: linux-kernel@...r.kernel.org, iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, will@...nel.org,
	robin.murphy@....com, joro@...tes.org, jean-philippe@...aro.org,
	nicolinc@...dia.com, mshavit@...gle.com
Subject: Re: [PATCH v2] iommu/arm-smmu-v3: Match Stall behaviour for S2

On Thu, Aug 15, 2024 at 11:30:41AM +0000, Mostafa Saleh wrote:

> Yes, s2 translation fault events are the same but with an extra bit
> set (S2), and with a new field for IPA which is not relevant here as
> we only report the IOVA.

Okay, as long as the IOVA is decoded and passed into report_fault it
should be fine

We don't yet have support for specifying the IPA on nesting..

Jason