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authorChen, Gong <gong.chen@linux.intel.com>2013-10-18 14:30:13 -0700
committerTony Luck <tony.luck@intel.com>2013-10-23 10:10:20 -0700
commit147de14772ed897727dba7353916b02d1e0f17f4 (patch)
tree7643b3c62c1b6ad149f36d573409b6f2d6761dc7 /drivers/acpi/apei
parentdd6dad4288cb93e79bd7abfa6c6a338c47454d1a (diff)
downloadop-kernel-dev-147de14772ed897727dba7353916b02d1e0f17f4.zip
op-kernel-dev-147de14772ed897727dba7353916b02d1e0f17f4.tar.gz
ACPI, APEI, CPER: Add UEFI 2.4 support for memory error
In latest UEFI spec(by now it is 2.4) memory error definition for CPER (UEFI 2.4 Appendix N Common Platform Error Record) adds some new fields. These fields help people to locate memory error to an actual DIMM location. Original-author: Tony Luck <tony.luck@intel.com> Signed-off-by: Chen, Gong <gong.chen@linux.intel.com> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Mauro Carvalho Chehab <m.chehab@samsung.com> Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/acpi/apei')
-rw-r--r--drivers/acpi/apei/cper.c7
-rw-r--r--drivers/acpi/apei/ghes.c4
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index eb5f6d6..946ef52 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -8,7 +8,7 @@
* various tables, such as ERST, BERT and HEST etc.
*
* For more information about CPER, please refer to Appendix N of UEFI
- * Specification version 2.3.
+ * Specification version 2.4.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
@@ -191,16 +191,17 @@ static const char *cper_mem_err_type_strs[] = {
"memory sparing",
"scrub corrected error",
"scrub uncorrected error",
+ "physical memory map-out event",
};
static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
{
if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS)
printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status);
- if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)
+ if (mem->validation_bits & CPER_MEM_VALID_PA)
printk("%s""physical_address: 0x%016llx\n",
pfx, mem->physical_addr);
- if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS_MASK)
+ if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
printk("%s""physical_address_mask: 0x%016llx\n",
pfx, mem->physical_addr_mask);
if (mem->validation_bits & CPER_MEM_VALID_NODE)
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 0db6e4f..a30bc31 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -419,7 +419,7 @@ static void ghes_handle_memory_failure(struct acpi_generic_data *gdata, int sev)
if (sec_sev == GHES_SEV_CORRECTED &&
(gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED) &&
- (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)) {
+ (mem_err->validation_bits & CPER_MEM_VALID_PA)) {
pfn = mem_err->physical_addr >> PAGE_SHIFT;
if (pfn_valid(pfn))
memory_failure_queue(pfn, 0, MF_SOFT_OFFLINE);
@@ -430,7 +430,7 @@ static void ghes_handle_memory_failure(struct acpi_generic_data *gdata, int sev)
}
if (sev == GHES_SEV_RECOVERABLE &&
sec_sev == GHES_SEV_RECOVERABLE &&
- mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
+ mem_err->validation_bits & CPER_MEM_VALID_PA) {
pfn = mem_err->physical_addr >> PAGE_SHIFT;
memory_failure_queue(pfn, 0, 0);
}
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