Re: [PATCH 07/13] PCI/P2PDMA: Derive peer-to-peer routing from ACS control bits
Logan Gunthorpe <[email protected]>
| Newsgroups | org.kernel.vger.linux-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <[email protected]> |
On 2026-08-04 15:55, Logan Gunthorpe wrote: > > > On 2026-08-02 09:09, Leon Romanovsky wrote: >> From: Leon Romanovsky <[email protected]> >> >> The redirect test reports an upstream redirect for any ACS redirect or >> egress control bit. PCIe r7.0, sec 6.12.3, table 6-11 ties the outcome to >> the control bits and the target vector, and an enabled egress control bit >> alone does not redirect. Compute the result from the control bits so the >> vector can be honored next, using the host-bridge route while the peer >> target is unknown. >> >> Signed-off-by: Leon Romanovsky <[email protected]> > > Ok, thanks, this is not the simplest thing to understand but I've > followed through this and the next 3 patches and I think it makes sense > to me. Err, I thought I was sending this on patch 5 but I made a mistake. I meant patches 5 through 8 here. Logan