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authorChris Metcalf <cmetcalf@tilera.com>2010-06-05 16:35:29 +0200
committerChris Metcalf <cmetcalf@tilera.com>2010-06-05 16:35:29 +0200
commitcc44826a26b12b2489bc7dbb597fcdf107f2cc01 (patch)
tree98a7958212ac61345300944f512a949e5ee3e513 /drivers/edac/edac_mce.c
parentarch/tile: Do not use GFP_KERNEL for dma_alloc_coherent(). (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff)
downloadlinux-cc44826a26b12b2489bc7dbb597fcdf107f2cc01.tar.xz
linux-cc44826a26b12b2489bc7dbb597fcdf107f2cc01.zip
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/edac/edac_mce.c')
-rw-r--r--drivers/edac/edac_mce.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/edac/edac_mce.c b/drivers/edac/edac_mce.c
new file mode 100644
index 000000000000..9ccdc5b140e7
--- /dev/null
+++ b/drivers/edac/edac_mce.c
@@ -0,0 +1,61 @@
+/* Provides edac interface to mcelog events
+ *
+ * This file may be distributed under the terms of the
+ * GNU General Public License version 2.
+ *
+ * Copyright (c) 2009 by:
+ * Mauro Carvalho Chehab <mchehab@redhat.com>
+ *
+ * Red Hat Inc. http://www.redhat.com
+ */
+
+#include <linux/module.h>
+#include <linux/edac_mce.h>
+#include <asm/mce.h>
+
+int edac_mce_enabled;
+EXPORT_SYMBOL_GPL(edac_mce_enabled);
+
+
+/*
+ * Extension interface
+ */
+
+static LIST_HEAD(edac_mce_list);
+static DEFINE_MUTEX(edac_mce_lock);
+
+int edac_mce_register(struct edac_mce *edac_mce)
+{
+ mutex_lock(&edac_mce_lock);
+ list_add_tail(&edac_mce->list, &edac_mce_list);
+ mutex_unlock(&edac_mce_lock);
+ return 0;
+}
+EXPORT_SYMBOL(edac_mce_register);
+
+void edac_mce_unregister(struct edac_mce *edac_mce)
+{
+ mutex_lock(&edac_mce_lock);
+ list_del(&edac_mce->list);
+ mutex_unlock(&edac_mce_lock);
+}
+EXPORT_SYMBOL(edac_mce_unregister);
+
+int edac_mce_parse(struct mce *mce)
+{
+ struct edac_mce *edac_mce;
+
+ list_for_each_entry(edac_mce, &edac_mce_list, list) {
+ if (edac_mce->check_error(edac_mce->priv, mce))
+ return 1;
+ }
+
+ /* Nobody queued the error */
+ return 0;
+}
+EXPORT_SYMBOL_GPL(edac_mce_parse);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
+MODULE_DESCRIPTION("EDAC Driver for mcelog captured errors");