Re: [PATCH 1/6] PCI/AER: Fix mapping of errors to agent & layer

[sashiko-bot@kernel.org]

> PCIe r7.0 sec 6.2.7 documents the agent and layer of each Correctable and
> Uncorrectable Error.  Based on this spec section, the AER driver maps
> detected errors to an agent and layer using a set of macros and logs them.
> 
> Most errors listed in sec 6.2.7 map to the "Receiver" agent and
> "Transaction Layer", so the macros use these as defaults unless an error
> maps to something else.
> 
> However the macros have not been amended since their introduction in 2006
> with commit 6c2b374d7485 ("PCI-Express AER implemetation: AER core and
> aerdriver").  They are still based on PCIe r1.0 sec 7.2.5 (renumbered to
> 6.2.7 in PCIe r1.1 and newer).
> 
> Amend the macros to map errors introduced since then to the appropriate
> agent and layer.
> [ ... ]
> also a layout erratum in the REPLAY_NUM Rollover row wherein columns are
> shifted to the left, but that's already corrected in the PCIe r7.1 draft
> as of 2026-04-07.)
> 
> Signed-off-by: Lukas Wunner <lukas@wunner.de>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/cover.1784905909.git.lukas@wunner.de?part=1