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De Francesco" To: "Rafael J . Wysocki" , Len Brown , Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Mahesh J Salgaonkar , Oliver O'Halloran , Bjorn Helgaas , Tony Luck , Borislav Petkov , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-cxl@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, linux-edac@vger.kernel.org Cc: "Fabio M. De Francesco" Subject: [PATCH 1/4 v2] ACPI: extlog: Trace CPER Non-standard Section Body Date: Tue, 29 Apr 2025 19:21:06 +0200 Message-ID: <20250429172109.3199192-2-fabio.m.de.francesco@linux.intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250429172109.3199192-1-fabio.m.de.francesco@linux.intel.com> References: <20250429172109.3199192-1-fabio.m.de.francesco@linux.intel.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ghes_do_proc() has a catch-all for unknown or unhandled CPER formats (UEFI v2.10 Appendix N 2.3), extlog_print() does not. This gap was noticed by a RAS test that injected CXL protocol errors which were notified to extlog_print() via the IOMCA (I/O Machine Check Architecture) mechanism. Bring parity to the extlog_print() path by including a similar log_non_standard_event(). Cc: Dan Williams Reviewed-by: Dan Williams Signed-off-by: Fabio M. De Francesco --- drivers/acpi/acpi_extlog.c | 6 ++++++ drivers/ras/ras.c | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index f7fb7205028d..caca6ccd6e99 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -182,6 +182,12 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, if (gdata->error_data_length >= sizeof(*mem)) trace_extlog_mem_event(mem, err_seq, fru_id, fru_text, (u8)gdata->error_severity); + } else { + void *err = acpi_hest_get_payload(gdata); + + log_non_standard_event(sec_type, fru_id, fru_text, + gdata->error_severity, err, + gdata->error_data_length); } } diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c index a6e4792a1b2e..ac0e132ccc3e 100644 --- a/drivers/ras/ras.c +++ b/drivers/ras/ras.c @@ -51,6 +51,7 @@ void log_non_standard_event(const guid_t *sec_type, const guid_t *fru_id, { trace_non_standard_event(sec_type, fru_id, fru_text, sev, err, len); } +EXPORT_SYMBOL_GPL(log_non_standard_event); void log_arm_hw_error(struct cper_sec_proc_arm *err) { -- 2.48.1