[tip:ras/core] x86/mce: Add a wrapper around mce_log() for injection
Commit-ID: a79da38494ec23f1a7d6ee734e07e9575fd18b58
Gitweb: http://git.kernel.org/tip/a79da38494ec23f1a7d6ee734e07e9575fd18b58
Author: Borislav Petkov
AuthorDate: Wed, 12 Aug 2015 18:29:44 +0200
Committer: Ingo Molnar
CommitDate: Thu, 13 Aug 2015 10:12:53 +0200
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...@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 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, _need_notify);
}
+void mce_inject_log(struct mce *m)
+{
+ mutex_lock(_chrdev_read_mutex);
+ mce_log(m);
+ mutex_unlock(_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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[tip:ras/core] x86/mce: Add a wrapper around mce_log() for injection
Commit-ID: a79da38494ec23f1a7d6ee734e07e9575fd18b58
Gitweb: http://git.kernel.org/tip/a79da38494ec23f1a7d6ee734e07e9575fd18b58
Author: Borislav Petkov b...@suse.de
AuthorDate: Wed, 12 Aug 2015 18:29:44 +0200
Committer: Ingo Molnar mi...@kernel.org
CommitDate: Thu, 13 Aug 2015 10:12:53 +0200
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...@intel.com
Signed-off-by: Borislav Petkov b...@suse.de
Cc: Linus Torvalds torva...@linux-foundation.org
Cc: Peter Zijlstra pet...@infradead.org
Cc: Thomas Gleixner t...@linutronix.de
Cc: Tony Luck tony.l...@intel.com
Link: http://lkml.kernel.org/r/1439396985-12812-13-git-send-email...@alien8.de
Signed-off-by: Ingo Molnar mi...@kernel.org
---
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 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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