From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3w7QvH3XSwzDqHW for ; Thu, 20 Apr 2017 01:31:07 +1000 (AEST) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v3JFTHv2103748 for ; Wed, 19 Apr 2017 11:31:02 -0400 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0b-001b2d01.pphosted.com with ESMTP id 29x7453gp4-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 19 Apr 2017 11:31:02 -0400 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 20 Apr 2017 01:31:00 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v3JFUnhT5111862 for ; Thu, 20 Apr 2017 01:30:57 +1000 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v3JFUKLU026976 for ; Thu, 20 Apr 2017 01:30:21 +1000 From: "Naveen N. Rao" To: Michael Ellerman Cc: Ananth N Mavinakayanahalli , Masami Hiramatsu , linuxppc-dev@lists.ozlabs.org Subject: [PATCH 2/2] powerpc: kprobes: blacklist exception common handlers Date: Wed, 19 Apr 2017 20:59:52 +0530 In-Reply-To: References: In-Reply-To: References: Message-Id: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Blacklist all the exception common/OOL handlers as the kernel stack is not yet setup, which means we can't take a trap at this point. Signed-off-by: Naveen N. Rao --- arch/powerpc/include/asm/head-64.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h index 5067048daad4..86eb87382031 100644 --- a/arch/powerpc/include/asm/head-64.h +++ b/arch/powerpc/include/asm/head-64.h @@ -213,6 +213,7 @@ end_##sname: USE_TEXT_SECTION(); \ .balign IFETCH_ALIGN_BYTES; \ .global name; \ + _ASM_NOKPROBE_SYMBOL(name); \ DEFINE_FIXED_SYMBOL(name); \ name: -- 2.12.1