After /dev/mcelog character device deprecated by commit 5de97c9f6d85
("x86/mce: Factor out and deprecate the /dev/mcelog driver"), the
serialized hardware error log, a.k.a MCE record, of previous boot in
persistent storage is not collected via APEI ERST.Emit the mce_record tracepoint so that it can consumed by the new generation rasdaemon. Signed-off-by: Shuai Xue <[email protected]> --- drivers/acpi/apei/erst.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 528ac5eb4871..82f57aaf89ad 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -26,6 +26,10 @@ #include <linux/vmalloc.h> #include <linux/mm.h> /* kvfree() */ #include <acpi/apei.h> +#ifdef CONFIG_X86_MCE +/* only define CREATE_TRACE_POINTS once */ +#include <trace/events/mce.h> +#endif #include "apei-internal.h" @@ -1063,8 +1067,12 @@ static ssize_t erst_reader(struct pstore_record *record) record->compressed = true; } else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_DMESG)) record->type = PSTORE_TYPE_DMESG; - else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_MCE)) + else if (guid_equal(&rcd->sec_hdr.section_type, &CPER_SECTION_TYPE_MCE)) { +#ifdef CONFIG_X86_MCE + trace_mce_record((struct mce *)rcd->data); +#endif record->type = PSTORE_TYPE_MCE; + } else record->type = PSTORE_TYPE_MAX; -- 2.41.0
