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| author | Borislav Petkov | 2011-12-04 15:12:09 +0100 |
|---|---|---|
| committer | Borislav Petkov | 2011-12-14 12:50:12 +0100 |
| commit | 3653ada5d3e173489b3a466305687cb5c44b2ab1 (patch) | |
| tree | b0533badd64709336e39715ad6df15e4ca449539 /arch/x86 | |
| parent | Linux 3.2-rc5 (diff) | |
| download | kernel-qcow2-linux-3653ada5d3e173489b3a466305687cb5c44b2ab1.tar.gz kernel-qcow2-linux-3653ada5d3e173489b3a466305687cb5c44b2ab1.tar.xz kernel-qcow2-linux-3653ada5d3e173489b3a466305687cb5c44b2ab1.zip | |
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')
| -rw-r--r-- | arch/x86/include/asm/mce.h | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 25 |
2 files changed, 20 insertions, 8 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 0e8ae57d3656..b7c47a468fde 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -120,7 +120,8 @@ struct mce_log { #ifdef __KERNEL__ -extern struct atomic_notifier_head x86_mce_decoder_chain; +extern void mce_register_decode_chain(struct notifier_block *nb); +extern void mce_unregister_decode_chain(struct notifier_block *nb); #include <linux/percpu.h> #include <linux/init.h> 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; |