From patchwork Wed Jun 22 16:25:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Naveen N. Rao" X-Patchwork-Id: 639292 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3rZVPW6HhFz9t1C for ; Thu, 23 Jun 2016 02:27:43 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932166AbcFVQ1T (ORCPT ); Wed, 22 Jun 2016 12:27:19 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:8867 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932114AbcFVQ1P (ORCPT ); Wed, 22 Jun 2016 12:27:15 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5MGOcCm146628 for ; Wed, 22 Jun 2016 12:27:10 -0400 Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [125.16.236.8]) by mx0a-001b2d01.pphosted.com with ESMTP id 23q6ym6shq-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 22 Jun 2016 12:27:10 -0400 Received: from localhost by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 22 Jun 2016 21:57:07 +0530 Received: from d28dlp02.in.ibm.com (9.184.220.127) by e28smtp08.in.ibm.com (192.168.1.138) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 22 Jun 2016 21:57:05 +0530 X-IBM-Helo: d28dlp02.in.ibm.com X-IBM-MailFrom: naveen.n.rao@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org; netdev@vger.kernel.org; stable@vger.kernel.org Received: from d28relay10.in.ibm.com (d28relay10.in.ibm.com [9.184.220.161]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 7470B394004E; Wed, 22 Jun 2016 21:57:04 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay10.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u5MGR4Yr33882130; Wed, 22 Jun 2016 21:57:04 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u5MGR002025281; Wed, 22 Jun 2016 21:57:03 +0530 Received: from naverao1-tp.ibm.com ([9.79.176.57]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u5MGQXRe024296; Wed, 22 Jun 2016 21:56:59 +0530 From: "Naveen N. Rao" To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, Michael Ellerman Cc: stable@vger.kernel.org, Matt Evans , Denis Kirjanov , Paul Mackerras , Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Ananth N Mavinakayanahalli , Thadeu Lima de Souza Cascardo Subject: [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le Date: Wed, 22 Jun 2016 21:55:01 +0530 X-Mailer: git-send-email 2.8.2 In-Reply-To: References: In-Reply-To: References: X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16062216-0056-0000-0000-000002764E26 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16062216-0057-0000-0000-00000E6010F6 Message-Id: <24a2db8c1ed97008426e8093bc83165a6a237d1c.1466612260.git.naveen.n.rao@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-06-22_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606220168 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Classic BPF JIT was never ported completely to work on little endian powerpc. However, it can be enabled and will crash the system when used. As such, disable use of BPF JIT on ppc64le. Cc: stable@vger.kernel.org Cc: Matt Evans Cc: Denis Kirjanov Cc: Michael Ellerman Cc: Paul Mackerras Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: "David S. Miller" Cc: Ananth N Mavinakayanahalli Cc: Thadeu Lima de Souza Cascardo Reported-by: Thadeu Lima de Souza Cascardo Signed-off-by: Naveen N. Rao Acked-by: Thadeu Lima de Souza Cascardo --- arch/powerpc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 01f7464..0a9d439 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -128,7 +128,7 @@ config PPC select IRQ_FORCED_THREADING select HAVE_RCU_TABLE_FREE if SMP select HAVE_SYSCALL_TRACEPOINTS - select HAVE_CBPF_JIT + select HAVE_CBPF_JIT if CPU_BIG_ENDIAN select HAVE_ARCH_JUMP_LABEL select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_HAS_GCOV_PROFILE_ALL