linux-kernel - Re: [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU domain

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Message-ID: <e867398d-6bef-46cf-9c25-91eabd49428c@linux.intel.com>
Date: Mon, 12 Jan 2026 14:57:34 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Jason Gunthorpe <jgg@...pe.ca>, Samiullah Khawaja <skhawaja@...gle.com>
Cc: David Woodhouse <dwmw2@...radead.org>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, Pasha Tatashin <pasha.tatashin@...een.com>,
 David Matlack <dmatlack@...gle.com>, Robin Murphy <robin.murphy@....com>,
 Pratyush Yadav <pratyush@...nel.org>, Kevin Tian <kevin.tian@...el.com>,
 Alex Williamson <alex@...zbot.org>, Shuah Khan <shuah@...nel.org>,
 iommu@...ts.linux.dev, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
 Saeed Mahameed <saeedm@...dia.com>,
 Adithya Jayachandran <ajayachandra@...dia.com>,
 Parav Pandit <parav@...dia.com>, Leon Romanovsky <leonro@...dia.com>,
 William Tu <witu@...dia.com>
Subject: Re: [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU
 domain

On 1/12/26 06:14, Jason Gunthorpe wrote:
>> Thank you for the feedback. I will prepare a v2 series addressing these points.
> I think there are so many problems here you should talk to Kevin and
> Baolu to come up with some plan. A single series is not going to be
> able to do all of this.

Yes, absolutely. I am working on a patch series to address the
fundamental atomicity issue. I hope to post it for discussion soon. Once
that is addressed, we can discuss any additional problems.

Thanks,
baolu