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From: Lukas Wunner <lukas@wunner.de>
To: Maciej Grochowski <mx2pg@pm.me>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-pci@vger.kernel.org, linux-doc@vger.kernel.org,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Ilpo Jarvinen <ilpo.jarvinen@linux.intel.com>,
	Kai-Heng Feng <kaihengf@nvidia.com>
Subject: Re: [PATCH] Documentation: PCI: Document decoding of TLP Header in AER messages
Date: Tue, 24 Mar 2026 11:22:25 +0100	[thread overview]
Message-ID: <acJl4UuObg04RbAd@wunner.de> (raw)
In-Reply-To: <acJi32zgSVvDPVyK@wunner.de>

On Tue, Mar 24, 2026 at 11:09:35AM +0100, Lukas Wunner wrote:
> Ilpo (who is cc'ed) amended the kernel last year with commit
> 7e077e6707b3 ("PCI/ERR: Handle TLP Log in Flit mode") to suffix
> the hexdump with " (Flit)" in Flit Mode:
> 
> https://git.kernel.org/linus/7e077e6707b3

Sorry, I should have mentioned that this commit first appeared in
v6.15, so auto-detection of Flit mode logs in user space tools
should be possible from that kernel version onward.

> As an aside:  Prior to that, commit f68ea779d98a ("PCI: Add
> pcie_print_tlp_log() to print TLP Header and Prefix Log")
> changed the log message to prefix each dword with "0x".
> But I tested it and it seems that tlp-tool groks both the
> old and the new format without any code change:
> 
> https://git.kernel.org/linus/f68ea779d98a

This landed in v6.14.

Thanks,

Lukas

  reply	other threads:[~2026-03-24 10:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-23  6:52 [PATCH] Documentation: PCI: Document decoding of TLP Header in AER messages Lukas Wunner
2026-03-23 11:03 ` Mika Westerberg
2026-03-23 16:50 ` Bjorn Helgaas
2026-03-24  5:53   ` mx2pg
2026-03-24 10:09     ` Lukas Wunner
2026-03-24 10:22       ` Lukas Wunner [this message]
2026-03-24 11:18     ` Ilpo Järvinen
2026-03-25  5:18       ` mx2pg

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