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[142.167.56.70]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fac6c03c58sm22554386d6.0.2025.05.30.06.13.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 May 2025 06:13:28 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1uKzY8-00000001DzD-0cum; Fri, 30 May 2025 10:13:28 -0300 Date: Fri, 30 May 2025 10:13:28 -0300 From: Jason Gunthorpe To: Shyam Saini Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, Jacob Pan , iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, virtualization@lists.linux.dev, will@kernel.org, eric.auger@redhat.com, code@tyhicks.com, eahariha@linux.microsoft.com, vijayb@linux.microsoft.com Subject: Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA Message-ID: <20250530131328.GB236098@ziepe.ca> References: <20250410230008.GA6905@ziepe.ca> <67fff12d.650a0220.208c7c.d69dSMTPIN_ADDED_BROKEN@mx.google.com> <20250416181759.GF493866@ziepe.ca> <20250520224224.GA16365@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> <20250525190703.GD12328@ziepe.ca> <20250527205428.GA14019@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> <20250528000425.GC146260@ziepe.ca> <20250529182219.GA20289@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> <20250529183815.GA236098@ziepe.ca> <20250529220839.GA9911@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250529220839.GA9911@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> On Thu, May 29, 2025 at 03:08:39PM -0700, Shyam Saini wrote: > > How does your platform work at all? Isn't 0x08000000 physical memory in > > your address map? > > unfornately, this 0x08000000 physical address is not in our address map Is your issue PCI related, do you have a PCI switch without ACS mapped here? Jason