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De Francesco" CC: "Rafael J . Wysocki" , Len Brown , Davidlohr Bueso , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Mahesh J Salgaonkar , Oliver O'Halloran , Bjorn Helgaas , Tony Luck , Borislav Petkov , , , , , , Subject: Re: [PATCH 1/4 v2] ACPI: extlog: Trace CPER Non-standard Section Body Message-ID: <20250520120851.000062cf@huawei.com> In-Reply-To: <20250429172109.3199192-2-fabio.m.de.francesco@linux.intel.com> References: <20250429172109.3199192-1-fabio.m.de.francesco@linux.intel.com> <20250429172109.3199192-2-fabio.m.de.francesco@linux.intel.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) 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-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500012.china.huawei.com (7.191.174.4) To frapeml500008.china.huawei.com (7.182.85.71) On Tue, 29 Apr 2025 19:21:06 +0200 "Fabio M. De Francesco" wrote: > 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 Makes sense to me. Reviewed-by: Jonathan Cameron > --- > 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) > {