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Diffstat (limited to 'drivers/acpi/apei/ghes.c')
-rw-r--r--drivers/acpi/apei/ghes.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 9952f3a79..dd808cf65 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -100,6 +100,20 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes)
}
/*
+ * A platform may describe one error source for the handling of synchronous
+ * errors (e.g. MCE or SEA), or for handling asynchronous errors (e.g. SCI
+ * or External Interrupt). On x86, the HEST notifications are always
+ * asynchronous, so only SEA on ARM is delivered as a synchronous
+ * notification.
+ */
+static inline bool is_hest_sync_notify(struct ghes *ghes)
+{
+ u8 notify_type = ghes->generic->notify.type;
+
+ return notify_type == ACPI_HEST_NOTIFY_SEA;
+}
+
+/*
* This driver isn't really modular, however for the time being,
* continuing to use module_param is the easiest way to remain
* compatible with existing boot arg use cases.
@@ -461,7 +475,7 @@ static bool ghes_do_memory_failure(u64 physical_addr, int flags)
}
static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
- int sev)
+ int sev, bool sync)
{
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
@@ -475,7 +489,7 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
(gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED))
flags = MF_SOFT_OFFLINE;
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
- flags = 0;
+ flags = sync ? MF_ACTION_REQUIRED : 0;
if (flags != -1)
return ghes_do_memory_failure(mem_err->physical_addr, flags);
@@ -483,9 +497,11 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
return false;
}
-static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int sev)
+static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
+ int sev, bool sync)
{
struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+ int flags = sync ? MF_ACTION_REQUIRED : 0;
bool queued = false;
int sec_sev, i;
char *p;
@@ -510,7 +526,7 @@ static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int s
* and don't filter out 'corrected' error here.
*/
if (is_cache && has_pa) {
- queued = ghes_do_memory_failure(err_info->physical_fault_addr, 0);
+ queued = ghes_do_memory_failure(err_info->physical_fault_addr, flags);
p += err_info->length;
continue;
}
@@ -631,6 +647,7 @@ static bool ghes_do_proc(struct ghes *ghes,
const guid_t *fru_id = &guid_null;
char *fru_text = "";
bool queued = false;
+ bool sync = is_hest_sync_notify(ghes);
sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
@@ -648,13 +665,13 @@ static bool ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(sev, mem_err);
arch_apei_report_mem_error(sev, mem_err);
- queued = ghes_handle_memory_failure(gdata, sev);
+ queued = ghes_handle_memory_failure(gdata, sev, sync);
}
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
ghes_handle_aer(gdata);
}
else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
- queued = ghes_handle_arm_hw_error(gdata, sev);
+ queued = ghes_handle_arm_hw_error(gdata, sev, sync);
} else {
void *err = acpi_hest_get_payload(gdata);