Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA

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To: Shyam Saini <shyamsaini@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
From: Jason Gunthorpe <jgg@xxxxxxxx>
Date: Fri, 30 May 2025 10:13:28 -0300
Cc: robh+dt@xxxxxxxxxx, krzysztof.kozlowski+dt@xxxxxxxxxx, conor+dt@xxxxxxxxxx, Jacob Pan <jacob.pan@xxxxxxxxxxxxxxxxxxx>, iommu@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, will@xxxxxxxxxx, eric.auger@xxxxxxxxxx, code@xxxxxxxxxxx, eahariha@xxxxxxxxxxxxxxxxxxx, vijayb@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20250529220839.GA9911@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
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>

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

Follow-Ups:
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Shyam Saini

References:
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Jason Gunthorpe
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Jason Gunthorpe
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Shyam Saini
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Jason Gunthorpe
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Shyam Saini
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Jason Gunthorpe
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Shyam Saini
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Jason Gunthorpe
- Re: [PATCH v2 0/3] arm-smmu: select suitable IOVA
  - From: Shyam Saini

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