Add a notify chain for process memory section, with which other modules might do error recovery. Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx> Tested-by: Wang Xiongfeng <wangxiongfeng2@xxxxxxxxxx> --- drivers/acpi/apei/ghes.c | 10 ++++++++++ include/acpi/ghes.h | 8 ++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 502335c..5b310b7 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -108,6 +108,9 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes) static LIST_HEAD(ghes_hed); static DEFINE_MUTEX(ghes_list_mutex); +ATOMIC_NOTIFIER_HEAD(ghes_mem_err_chain); +EXPORT_SYMBOL(ghes_mem_err_chain); + /* * Because the memory area used to transfer hardware error information * from BIOS to Linux can be determined only in NMI, IRQ or timer @@ -479,6 +482,13 @@ static void ghes_do_proc(struct ghes *ghes, if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata); + struct ghes_mem_err mem; + + mem.notify_type = ghes->generic->notify.type; + mem.severity = gdata->error_severity; + mem.mem_err = mem_err; + + atomic_notifier_call_chain(&ghes_mem_err_chain, 0, &mem); ghes_edac_report_mem_error(ghes, sev, mem_err); diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h index 9f26e01..e26b783 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -115,4 +115,12 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) int ghes_notify_sea(void); +struct ghes_mem_err { + int notify_type; + int severity; + struct cper_sec_mem_err *mem_err; +}; + +extern struct atomic_notifier_head ghes_mem_err_chain; + #endif /* GHES_H */ -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html