[RFC PATCH 1/6] ACPI: extlog: fix extlog_mem_event build issue

From: Pierre Gondois

Date: Tue Sep 29 2026 - 03:50:10 EST


With CONFIG_ACPI_EXTLOG=n and with the following command:
make -j4 drivers/acpi/acpi_extlog.o drivers/acpi/

trace_extlog_mem_event() is not defined. Add a extlog_mem_err_event()
wrapper to fix the build issue.

Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
---
drivers/acpi/acpi_extlog.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index 7ad3b36013cc6..699534b6a732d 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -180,6 +180,15 @@ extlog_cxl_cper_handle_prot_err(struct cxl_cper_sec_prot_err *prot_err,
#endif
}

+static void
+extlog_mem_err_event(struct cper_sec_mem_err *mem, u32 err_seq,
+ const guid_t *fru_id, const char *fru_text, u8 sev)
+{
+#if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
+ trace_extlog_mem_event(mem, err_seq, fru_id, fru_text, sev);
+#endif
+}
+
static int extlog_print(struct notifier_block *nb, unsigned long val,
void *data)
{
@@ -229,8 +238,9 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
struct cper_sec_mem_err *mem = acpi_hest_get_payload(gdata);

if (gdata->error_data_length >= sizeof(*mem))
- trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
- (u8)gdata->error_severity);
+ extlog_mem_err_event(&mem, err_seq, fru_id,
+ fru_text,
+ (u8)gdata->error_severity);
} else if (guid_equal(sec_type, &CPER_SEC_CXL_PROT_ERR)) {
struct cxl_cper_sec_prot_err *prot_err =
acpi_hest_get_payload(gdata);
--
2.43.0