linux-kernel - Re: [PATCH 0/2] Make ELOG log and trace consistently with GHES

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Message-ID: <2737053.vuYhMxLoTh@fdefranc-mobl3>
Date: Tue, 23 Jul 2024 15:43:45 +0200
From: "Fabio M. De Francesco" <fabio.m.de.francesco@...ux.intel.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
 Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
 Oliver O'Halloran <oohall@...il.com>, Bjorn Helgaas <bhelgaas@...gle.com>,
 linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
 Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH 0/2] Make ELOG log and trace consistently with GHES

On Monday, May 27, 2024 4:43:39 PM GMT+2 Fabio M. De Francesco wrote:
> When Firmware First is enabled, BIOS handles errors first and then it
> makes them available to the kernel via the Common Platform Error Record
> (CPER) sections (UEFI 2.10 Appendix N). Linux parses the CPER sections
> via one of two similar paths, either ELOG or GHES.
> 
> Currently, ELOG and GHES show some inconsistencies in how they print to
> the kernel log as well as in how they report to userspace via trace
> events.
> 
> Make the two mentioned paths act similarly for what relates to logging
> and tracing.

Gentle ping.
Thanks,

Fabio

> --- Changes for v1 ---
> 
> 	- Drop the RFC prefix and restart from PATCH v1
> 	- Drop patch 3/3 because a discussion on it has not yet been
> 	  settled
> 	- Drop namespacing in export of pci_print_aer while() (Dan)
> 	- Don't use '#ifdef' in *.c files (Dan)
> 	- Drop a reference on pdev after operation is complete (Dan)
> 	- Don't log an error message if pdev is NULL (Dan)
> 
> --- Changes for RFC v2 ---
> 	
> 	- 0/3: rework the subject line and the letter.
>         - 1/3: no changes.
>         - 2/3: trace CPER PCIe Section only if CONFIG_ACPI_APEI_PCIEAER
>           is defined; the kernel test robot reported the use of two
>           undefined symbols because the test for the config option was
>           missing; rewrite the subject line and part of commit message.
>         - 3/3: no changes.
> 
> Fabio M. De Francesco (2):
>   ACPI: extlog: Trace CPER Non-standard Section Body
>   ACPI: extlog: Trace CPER PCI Express Error Section
> 
>  drivers/acpi/acpi_extlog.c | 35 +++++++++++++++++++++++++++++++++++
>  drivers/pci/pcie/aer.c     |  2 +-
>  include/linux/aer.h        |  9 ++++++---
>  3 files changed, 42 insertions(+), 4 deletions(-)
> 
>