diff options
Diffstat (limited to 'drivers/acpi/apei/erst.c')
| -rw-r--r-- | drivers/acpi/apei/erst.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index b412e9137e3..822b1ed3b00 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -958,6 +958,9 @@ static struct pstore_info erst_info = { #define CPER_SECTION_TYPE_DMESG \ UUID_LE(0xc197e04e, 0xd545, 0x4a70, 0x9c, 0x17, 0xa5, 0x54, \ 0x94, 0x19, 0xeb, 0x12) +#define CPER_SECTION_TYPE_DMESG_Z \ + UUID_LE(0x4f118707, 0x04dd, 0x4055, 0xb5, 0xdd, 0x95, 0x6d, \ + 0x34, 0xdd, 0xfa, 0xc6) #define CPER_SECTION_TYPE_MCE \ UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \ 0x04, 0x4a, 0x38, 0xfc) @@ -1036,7 +1039,12 @@ skip: } memcpy(*buf, rcd->data, len - sizeof(*rcd)); *id = record_id; + *compressed = false; if (uuid_le_cmp(rcd->sec_hdr.section_type, + CPER_SECTION_TYPE_DMESG_Z) == 0) { + *type = PSTORE_TYPE_DMESG; + *compressed = true; + } else if (uuid_le_cmp(rcd->sec_hdr.section_type, CPER_SECTION_TYPE_DMESG) == 0) *type = PSTORE_TYPE_DMESG; else if (uuid_le_cmp(rcd->sec_hdr.section_type, @@ -1087,7 +1095,10 @@ static int erst_writer(enum pstore_type_id type, enum kmsg_dump_reason reason, rcd->sec_hdr.flags = CPER_SEC_PRIMARY; switch (type) { case PSTORE_TYPE_DMESG: - rcd->sec_hdr.section_type = CPER_SECTION_TYPE_DMESG; + if (compressed) + rcd->sec_hdr.section_type = CPER_SECTION_TYPE_DMESG_Z; + else + rcd->sec_hdr.section_type = CPER_SECTION_TYPE_DMESG; break; case PSTORE_TYPE_MCE: rcd->sec_hdr.section_type = CPER_SECTION_TYPE_MCE; |