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[142.162.112.119]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c37f4a6145sm441707785a.5.2026.01.07.12.28.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jan 2026 12:28:13 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1vda8a-00000002F8Z-2Bdq; Wed, 07 Jan 2026 16:28:12 -0400 Date: Wed, 7 Jan 2026 16:28:12 -0400 From: Jason Gunthorpe To: Samiullah Khawaja Cc: David Woodhouse , Lu Baolu , Joerg Roedel , Will Deacon , Pasha Tatashin , David Matlack , Robin Murphy , Pratyush Yadav , Kevin Tian , Alex Williamson , Shuah Khan , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Saeed Mahameed , Adithya Jayachandran , Parav Pandit , Leon Romanovsky , William Tu Subject: Re: [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU domain Message-ID: <20260107202812.GD340082@ziepe.ca> References: <20260107201800.2486137-1-skhawaja@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260107201800.2486137-1-skhawaja@google.com> On Wed, Jan 07, 2026 at 08:17:57PM +0000, Samiullah Khawaja wrote: > Intel IOMMU Driver already supports replacing IOMMU domain hitlessly in > scalable mode. It does? We were just talking about how it doesn't work because it makes the PASID entry non-present while loading the new domain. Jason