Re: [RFC PATCH] iommu/arm-smmu-v3: Allow nested attach for PCI bridges without vDEVICE

Jason Gunthorpe <[email protected]>
Newsgroups dev.linux.lists.regressions,dev.linux.lists.iommu,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.stable
Message-ID <[email protected]> 
On Fri, Aug 14, 2026 at 02:15:45PM +0000, Pranjal Shrivastava wrote:

> Also, regarding RID aliasing: while it's true the host bridge doesn't
> need a vDEVICE for its own host-consumed DMAs (like AER/PME), are we

RID aliasing shouldn't exist in any modern system. Unfortunately Linux
gets some things wrong in its ACS processing :\

Jason
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.