From a79da38494ec23f1a7d6ee734e07e9575fd18b58 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Wed, 12 Aug 2015 18:29:44 +0200 Subject: [PATCH] x86/mce: Add a wrapper around mce_log() for injection Will be used by an injector module in a following patch. Additionally, add a missing module export reported by 0-DAY kernel test. Reported-by: kbuild test robot Signed-off-by: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Tony Luck Link: http://lkml.kernel.org/r/1439396985-12812-13-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/mcheck/mce-internal.h | 2 ++ arch/x86/kernel/cpu/mcheck/mce.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h index ea8b62264c147..547720efd923f 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-internal.h +++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h @@ -79,3 +79,5 @@ static inline int apei_clear_mce(u64 record_id) return -EINVAL; } #endif + +void mce_inject_log(struct mce *m); diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index b979711452a55..e4e6646cac464 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -199,6 +199,14 @@ void mce_log(struct mce *mce) set_bit(0, &mce_need_notify); } +void mce_inject_log(struct mce *m) +{ + mutex_lock(&mce_chrdev_read_mutex); + mce_log(m); + mutex_unlock(&mce_chrdev_read_mutex); +} +EXPORT_SYMBOL_GPL(mce_inject_log); + static struct notifier_block mce_srao_nb; void mce_register_decode_chain(struct notifier_block *nb)