linux-kernel - Re: [PATCH v2 4/4] acpi/ghes, cxl/pci: Trace FW-First CXL Protocol Errors

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Date: Thu, 15 Feb 2024 12:22:28 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Smita Koralahalli <Smita.KoralahalliChannabasappa@....com>
CC: <linux-efi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-cxl@...r.kernel.org>, Ard Biesheuvel <ardb@...nel.org>, "Alison
 Schofield" <alison.schofield@...el.com>, Vishal Verma
	<vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>, Dan Williams
	<dan.j.williams@...el.com>, Yazen Ghannam <yazen.ghannam@....com>
Subject: Re: [PATCH v2 4/4] acpi/ghes, cxl/pci: Trace FW-First CXL Protocol
 Errors

On Tue, 9 Jan 2024 03:47:55 +0000
Smita Koralahalli <Smita.KoralahalliChannabasappa@....com> wrote:

> When PCIe AER is in FW-First, OS should process CXL Protocol errors from
> CPER records. These CPER records obtained from GHES module, will rely on
> a registered callback to be notified to the CXL subsystem in order to be
> processed.
> 
> Call the existing cxl_cper_callback to notify the CXL subsystem on a
> Protocol error.
> 
> The defined trace events cxl_aer_uncorrectable_error and
> cxl_aer_correctable_error currently trace native CXL AER errors. Reuse
> them to trace FW-First Protocol Errors.
> 
> Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@....com>
Other than the bits of this that will change due to Ira's look good to me.

Jonathan