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From: "Cheatham, Benjamin" <benjamin.cheatham@amd.com>
To: Terry Bowman <terry.bowman@amd.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Dave Jiang <dave.jiang@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Bjorn Helgaas <bhelgaas@google.com>,
	"Dan Williams" <djbw@kernel.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>, <linux-cxl@vger.kernel.org>
Cc: Tony Luck <tony.luck@intel.com>, Borislav Petkov <bp@alien8.de>,
	"Hanjun Guo" <guohanjun@huawei.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	"Shuai Xue" <xueshuai@linux.alibaba.com>,
	Len Brown <lenb@kernel.org>, Ira Weiny <iweiny@kernel.org>,
	Li Ming <ming.li@zohomail.com>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Richard Cheng <icheng@nvidia.com>,
	"Robert Richter" <rrichter@amd.com>,
	Lukas Wunner <lukas@wunner.de>, <linux-pci@vger.kernel.org>,
	<linux-acpi@vger.kernel.org>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v20 3/9] cxl/ras: Handle RCH correctable and uncorrectable errors in one pass
Date: Wed, 2 Sep 2026 15:57:17 -0500	[thread overview]
Message-ID: <71a925a8-2ba5-45e4-bfec-86873deda90c@amd.com> (raw)
In-Reply-To: <20260902133933.2992457-4-terry.bowman@amd.com>

On 9/2/2026 8:39 AM, Terry Bowman wrote:
> cxl_rch_get_aer_info() reads and clears both the correctable and
> uncorrectable AER status registers in a single pass. The previous
> severity decode returned after the first matching class, so when a
> correctable and an uncorrectable error were logged simultaneously the
> correctable event was cleared in hardware but never traced or handled.
> 
> Handle both classes independently: dispatch cxl_handle_cor_ras() when
> correctable status is set and cxl_do_recovery() when uncorrectable
> status is set. Remove the now-unused cxl_rch_get_aer_severity() helper
> and decode the uncorrectable severity inline.
> 
> Log the uncorrectable status unconditionally. __pci_print_aer() only
> logs it via ANFE recursion when aer_compute_anfe_status() is non-zero.
> A conditional skip could drop a fatal or non-ANFE record once the
> hardware status is cleared.
> 
> Reported-by: Sashiko <sashiko-bot@kernel.org>
> Link: https://lore.kernel.org/linux-cxl/20260803222923.517B11F00A3A@smtp.kernel.org/
> Signed-off-by: Terry Bowman <terry.bowman@amd.com>
> 
> ---

LGTM:

Reviewed-by: Ben Cheatham <benjamin.cheatham@amd.com>

  parent reply	other threads:[~2026-09-02 20:57 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-02 13:39 [PATCH v20 0/9] Enable CXL PCIe Port Protocol Error handling and logging Terry Bowman
2026-09-02 13:39 ` [PATCH v20 1/9] PCI/AER: Introduce AER-CXL protocol error kfifo Terry Bowman
2026-09-02 13:48   ` sashiko-bot
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 2/9] PCI: Establish common CXL Port protocol error flow Terry Bowman
2026-09-02 13:57   ` sashiko-bot
2026-09-02 16:11     ` Bowman, Terry
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 3/9] cxl/ras: Handle RCH correctable and uncorrectable errors in one pass Terry Bowman
2026-09-02 13:50   ` sashiko-bot
2026-09-02 20:57   ` Cheatham, Benjamin [this message]
2026-09-02 13:39 ` [PATCH v20 4/9] cxl/pci: Thread port and dport through RAS handling helpers Terry Bowman
2026-09-02 13:51   ` sashiko-bot
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 5/9] cxl: Update CXL Endpoint AER handler Terry Bowman
2026-09-02 14:05   ` sashiko-bot
2026-09-02 18:19     ` Bowman, Terry
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 6/9] PCI: Cache PCI DSN into pci_dev->dsn during probe Terry Bowman
2026-09-02 13:47   ` sashiko-bot
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 7/9] cxl: Add port and dport identifiers to CXL AER trace events Terry Bowman
2026-09-02 13:50   ` sashiko-bot
2026-09-02 13:39 ` [PATCH v20 8/9] PCI/CXL: Mask/Unmask CXL protocol errors Terry Bowman
2026-09-02 14:03   ` sashiko-bot
2026-09-02 15:49     ` Bowman, Terry
2026-09-02 20:57   ` Cheatham, Benjamin
2026-09-02 13:39 ` [PATCH v20 9/9] Documentation: cxl: Document CXL protocol error handling Terry Bowman
2026-09-02 13:50   ` sashiko-bot

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