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authorBorislav Petkov <bp@suse.de>2015-08-12 18:29:44 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-13 10:12:53 +0200
commita79da38494ec23f1a7d6ee734e07e9575fd18b58 (patch)
tree40c04f389a3f76c777b13d5f58a2a25a92ec27f4
parent9a7783d02197f299f71b4fa2364a345c05f92b83 (diff)
downloadop-kernel-dev-a79da38494ec23f1a7d6ee734e07e9575fd18b58.zip
op-kernel-dev-a79da38494ec23f1a7d6ee734e07e9575fd18b58.tar.gz
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 <fengguang.wu@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/1439396985-12812-13-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce-internal.h2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c8
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index ea8b622..547720e 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 b979711..e4e6646 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)
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