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authorYazen Ghannam <Yazen.Ghannam@amd.com>2016-12-01 14:24:53 -0600
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-15 08:58:12 -0200
commit4838a0def07f5611347860b1fc0129c3fe77cc02 (patch)
tree9f12d75a3b0e08f92d492c4884924e2388a843d4 /include
parent6b1fb6f7037221981fb2cf1822c31b5fba1b9c22 (diff)
downloadop-kernel-dev-4838a0def07f5611347860b1fc0129c3fe77cc02.zip
op-kernel-dev-4838a0def07f5611347860b1fc0129c3fe77cc02.tar.gz
EDAC: Document HW_EVENT_ERR_DEFERRED type
Add a description of the HW_EVENT_ERR_DEFERRED type that wasn't included with commit d12a969ebbfc ("EDAC, amd64: Add Deferred Error type"). Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/edac.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/edac.h b/include/linux/edac.h
index c4433fd..07c52c0 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -130,6 +130,12 @@ enum dev_type {
* fatal (maybe it is on an unused memory area,
* or the memory controller could recover from
* it for example, by re-trying the operation).
+ * @HW_EVENT_ERR_DEFERRED: Deferred Error - Indicates an uncorrectable
+ * error whose handling is not urgent. This could
+ * be due to hardware data poisoning where the
+ * system can continue operation until the poisoned
+ * data is consumed. Preemptive measures may also
+ * be taken, e.g. offlining pages, etc.
* @HW_EVENT_ERR_FATAL: Fatal Error - Uncorrected error that could not
* be recovered.
* @HW_EVENT_ERR_INFO: Informational - The CPER spec defines a forth
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