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Groups > linux.kernel > #1189751
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|---|---|
| From | Borislav Petkov <bp@alien8.de> |
| Newsgroups | linux.kernel |
| Subject | [RFC PATCH 3/4] x86/mce: Add a wrapper around mce_log() for injection |
| Date | Wed, 22 Jul 2015 10:50:02 +0200 |
| Message-ID | <pOXSW-1JX-17@gated-at.bofh.it> (permalink) |
| References | <pOXSW-1JX-19@gated-at.bofh.it> |
| X-Original-To | X86-ML <x86@kernel.org> |
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| X-Original-Cc | Tony Luck <tony.luck@intel.com>, Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>, LKML <linux-kernel@vger.kernel.org>, Linux EDAC <linux-edac@vger.kernel.org> |
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| Xref | aioe.org linux.kernel:1189751 |
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From: Borislav Petkov <bp@suse.de>
Will be used by an injector module in a following patch.
Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/kernel/cpu/mcheck/mce-internal.h | 2 ++
arch/x86/kernel/cpu/mcheck/mce.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index 70d43f541bed..f5e507e6ae6f 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 36c065e6fa94..64d1ae916428 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -199,6 +199,13 @@ 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);
+}
+
static struct notifier_block mce_srao_nb;
void mce_register_decode_chain(struct notifier_block *nb)
--
2.5.0.rc2.28.g6003e7f
--
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[RFC PATCH 3/4] x86/mce: Add a wrapper around mce_log() for injection Borislav Petkov <bp@alien8.de> - 2015-07-22 10:50 +0200
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