linux-kernel - Re: [PATCH v2 1/2] iommu/amd: Enable swiotlb in all cases

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Date:   Thu, 7 Apr 2022 00:58:55 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     "Limonciello, Mario" <Mario.Limonciello@....com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        "open list:IOMMU DRIVERS" <iommu@...ts.linux-foundation.org>,
        "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@....com>,
        "Hegde, Vasant" <Vasant.Hegde@....com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] iommu/amd: Enable swiotlb in all cases

On Wed, Apr 06, 2022 at 05:04:52PM +0000, Limonciello, Mario wrote:
> Considering before this fix effectively swiotlb was turned off on most AMD
> systems, when this is picked up I think y'all should consider to add a:
> 
> Cc: stable@...r.kernel.org # 5.11+

Agreed.  I think this is for Joerg to pick up, and I'd love to see it
picked up soon as I'll have to rebase my

"cleanup swiotlb initialization" series on top of it.