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authorBorislav Petkov <[email protected]>2015-08-12 18:29:44 +0200
committerIngo Molnar <[email protected]>2015-08-13 10:12:53 +0200
commita79da38494ec23f1a7d6ee734e07e9575fd18b58 (patch)
tree40c04f389a3f76c777b13d5f58a2a25a92ec27f4
parent9a7783d02197f299f71b4fa2364a345c05f92b83 (diff)
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 <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tony Luck <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
-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 ea8b62264c14..547720efd923 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 b979711452a5..e4e6646cac46 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)