From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934296AbbHLQaX (ORCPT ); Wed, 12 Aug 2015 12:30:23 -0400 Received: from mail.skyhub.de ([78.46.96.112]:40964 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934054AbbHLQ3q (ORCPT ); Wed, 12 Aug 2015 12:29:46 -0400 From: Borislav Petkov To: Ingo Molnar Cc: Tony Luck , LKML Subject: [PATCH 12/13] x86/mce: Add a wrapper around mce_log() for injection Date: Wed, 12 Aug 2015 18:29:44 +0200 Message-Id: <1439396985-12812-13-git-send-email-bp@alien8.de> X-Mailer: git-send-email 2.5.0.rc2.28.g6003e7f In-Reply-To: <1439396985-12812-1-git-send-email-bp@alien8.de> References: <1439396985-12812-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov 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 Link: http://lkml.kernel.org/r/201508112002.zlZNJHPH%fengguang.wu@intel.com --- 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 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) -- 2.5.0.rc2.28.g6003e7f