linux-kernel - Re: [PATCH 0/4] PCI: Consolidate TLP Log reading and printing

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Date: Fri, 8 Mar 2024 15:31:07 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	intel-wired-lan@...ts.osuosl.org,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Ard Biesheuvel <ardb@...nel.org>, Borislav Petkov <bp@...en8.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, linux-edac@...r.kernel.org,
	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	Mahesh J Salgaonkar <mahesh@...ux.ibm.com>, netdev@...r.kernel.org,
	Oliver O'Halloran <oohall@...il.com>,
	Paolo Abeni <pabeni@...hat.com>, Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH 0/4] PCI: Consolidate TLP Log reading and printing

On Tue, Feb 06, 2024 at 03:57:13PM +0200, Ilpo Järvinen wrote:
> This series consolidates AER & DPC TLP Log handling code. Helpers are
> added for reading and printing the TLP Log and the format is made to
> include E-E Prefixes in both cases (previously only one DPC RP PIO
> displayed the E-E Prefixes).
> 
> I'd appreciate if people familiar with ixgbe could check the error
> handling conversion within the driver is correct.
> 
> Ilpo Järvinen (4):
>   PCI/AER: Cleanup register variable
>   PCI: Generalize TLP Header Log reading

I applied these first two to pci/aer for v6.9, thanks, these are all
nice improvements!

I postponed the ixgbe part for now because I think we should get an
ack from those maintainers or just send it to them since it subtly
changes the error and device removal checking there.

>   PCI: Add TLP Prefix reading into pcie_read_tlp_log()
>   PCI: Create helper to print TLP Header and Prefix Log

I'll respond to these with some minor comments.

>  drivers/firmware/efi/cper.c                   |  4 +-
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 39 +++------
>  drivers/pci/ats.c                             |  2 +-
>  drivers/pci/pci.c                             | 79 +++++++++++++++++++
>  drivers/pci/pci.h                             |  2 +-
>  drivers/pci/pcie/aer.c                        | 28 ++-----
>  drivers/pci/pcie/dpc.c                        | 31 ++++----
>  drivers/pci/probe.c                           | 14 ++--
>  include/linux/aer.h                           | 16 ++--
>  include/linux/pci.h                           |  2 +-
>  include/ras/ras_event.h                       | 10 +--
>  include/uapi/linux/pci_regs.h                 |  2 +
>  12 files changed, 145 insertions(+), 84 deletions(-)
> 
> -- 
> 2.39.2
>