Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1189751

[RFC PATCH 3/4] x86/mce: Add a wrapper around mce_log() for injection

Path csiph.com!aioe.org!bofh.it!news.nic.it!robomod
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>
Dkim-Signature v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1437554435; bh=UK8kxgs8pLtddFJaGHbDdEUg8ATn/R03x1sBFogF26Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=e2YS MkHu7EEaUyZ+i5uVOCT3I2867F5KG5M41bABrnxpu3XmVnYL68oofMaUNHWFTutZ2L5 2auimHIPO5CZKtNGPUvkeC7TgUkeAgoKV3z4jUhIX3AqP3iAA4DM/wL6JKJpUCPftkH vq+rghsxDyAzL1r5d+YKNkGE4HKIEbwGw=
Dkim-Signature v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1437554435; bh=UK8kxgs8pLtddFJaGHbDdEUg8ATn/R03x1sBFogF26Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=e2YS MkHu7EEaUyZ+i5uVOCT3I2867F5KG5M41bABrnxpu3XmVnYL68oofMaUNHWFTutZ2L5 2auimHIPO5CZKtNGPUvkeC7TgUkeAgoKV3z4jUhIX3AqP3iAA4DM/wL6JKJpUCPftkH vq+rghsxDyAzL1r5d+YKNkGE4HKIEbwGw=
X-Mailer git-send-email 2.5.0.rc2.28.g6003e7f
Sender robomod@news.nic.it
List-ID <linux-kernel.vger.kernel.org>
X-Mailing-List linux-kernel@vger.kernel.org
Approved robomod@news.nic.it
Lines 46
Organization linux.* mail to news gateway
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>
X-Original-Date Wed, 22 Jul 2015 10:40:27 +0200
X-Original-Message-ID <1437554428-24788-4-git-send-email-bp@alien8.de>
X-Original-References <1437554428-24788-1-git-send-email-bp@alien8.de>
X-Original-Sender linux-kernel-owner@vger.kernel.org
Xref aioe.org linux.kernel:1189751

Show key headers only | View raw


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[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

csiph-web