diff options
| author | Jia He <justin.he@arm.com> | 2022-10-10 02:35:54 +0000 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-10-20 13:25:53 +0200 |
| commit | 8e40612f6146da1333e9bb5cfd9af7511c063d93 (patch) | |
| tree | e1621b95206741060abf52e2aac483a99b9675d9 /drivers/acpi/apei/ghes.c | |
| parent | 5012524eb051fccbb9f8729f0de1df7b7783333b (diff) | |
EDAC/ghes: Add a notifier for reporting memory errors
In order to make it a proper module and disentangle it from facilities,
add a notifier for reporting memory errors. Use an atomic notifier
because calls sites like ghes_proc_in_irq() run in interrupt context.
[ bp: Massage commit message. ]
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jia He <justin.he@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221010023559.69655-3-justin.he@arm.com
Diffstat (limited to 'drivers/acpi/apei/ghes.c')
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 80ad530583c9..55013e024ba3 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -94,6 +94,8 @@ #define FIX_APEI_GHES_SDEI_CRITICAL __end_of_fixed_addresses #endif +static ATOMIC_NOTIFIER_HEAD(ghes_report_chain); + static inline bool is_hest_type_generic_v2(struct ghes *ghes) { return ghes->generic->header.type == ACPI_HEST_TYPE_GENERIC_ERROR_V2; @@ -645,7 +647,7 @@ static bool 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); - ghes_edac_report_mem_error(sev, mem_err); + atomic_notifier_call_chain(&ghes_report_chain, sev, mem_err); arch_apei_report_mem_error(sev, mem_err); queued = ghes_handle_memory_failure(gdata, sev); @@ -1497,3 +1499,15 @@ void __init acpi_ghes_init(void) else pr_info(GHES_PFX "Failed to enable APEI firmware first mode.\n"); } + +void ghes_register_report_chain(struct notifier_block *nb) +{ + atomic_notifier_chain_register(&ghes_report_chain, nb); +} +EXPORT_SYMBOL_GPL(ghes_register_report_chain); + +void ghes_unregister_report_chain(struct notifier_block *nb) +{ + atomic_notifier_chain_unregister(&ghes_report_chain, nb); +} +EXPORT_SYMBOL_GPL(ghes_unregister_report_chain); |