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authorBorislav Petkov <borislav.petkov@amd.com>2011-12-04 15:12:09 +0100
committerBorislav Petkov <bp@amd64.org>2011-12-14 12:50:12 +0100
commit3653ada5d3e173489b3a466305687cb5c44b2ab1 (patch)
treeb0533badd64709336e39715ad6df15e4ca449539 /arch/x86/kernel
parentdc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 (diff)
x86, mce: Add wrappers for registering on the decode chain
No functionality change, this is done so that in a follow-on patch all queued-up MCEs can be decoded after registering on the chain. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 2af127d4c3d1..c3c66ac6ef74 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -95,13 +95,6 @@ static DECLARE_WAIT_QUEUE_HEAD(mce_chrdev_wait);
static DEFINE_PER_CPU(struct mce, mces_seen);
static int cpu_missing;
-/*
- * CPU/chipset specific EDAC code can register a notifier call here to print
- * MCE errors in a human-readable form.
- */
-ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
-EXPORT_SYMBOL_GPL(x86_mce_decoder_chain);
-
/* MCA banks polled by the period polling timer for corrected events */
DEFINE_PER_CPU(mce_banks_t, mce_poll_banks) = {
[0 ... BITS_TO_LONGS(MAX_NR_BANKS)-1] = ~0UL
@@ -109,6 +102,12 @@ DEFINE_PER_CPU(mce_banks_t, mce_poll_banks) = {
static DEFINE_PER_CPU(struct work_struct, mce_work);
+/*
+ * CPU/chipset specific EDAC code can register a notifier call here to print
+ * MCE errors in a human-readable form.
+ */
+ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
+
/* Do initial initialization of a struct mce */
void mce_setup(struct mce *m)
{
@@ -190,6 +189,18 @@ void mce_log(struct mce *mce)
set_bit(0, &mce_need_notify);
}
+void mce_register_decode_chain(struct notifier_block *nb)
+{
+ atomic_notifier_chain_register(&x86_mce_decoder_chain, nb);
+}
+EXPORT_SYMBOL_GPL(mce_register_decode_chain);
+
+void mce_unregister_decode_chain(struct notifier_block *nb)
+{
+ atomic_notifier_chain_unregister(&x86_mce_decoder_chain, nb);
+}
+EXPORT_SYMBOL_GPL(mce_unregister_decode_chain);
+
static void print_mce(struct mce *m)
{
int ret = 0;