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author | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-05 16:35:29 +0200 |
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committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-05 16:35:29 +0200 |
commit | cc44826a26b12b2489bc7dbb597fcdf107f2cc01 (patch) | |
tree | 98a7958212ac61345300944f512a949e5ee3e513 /drivers/edac/edac_mce.c | |
parent | arch/tile: Do not use GFP_KERNEL for dma_alloc_coherent(). (diff) | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff) | |
download | linux-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.c | 61 |
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"); |