From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:4070 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932115AbcFVQ1L (ORCPT ); Wed, 22 Jun 2016 12:27:11 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5MGOilC059982 for ; Wed, 22 Jun 2016 12:27:10 -0400 Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [125.16.236.8]) by mx0b-001b2d01.pphosted.com with ESMTP id 23q6r4pxjc-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 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 In-Reply-To: References: In-Reply-To: References: Message-Id: <24a2db8c1ed97008426e8093bc83165a6a237d1c.1466612260.git.naveen.n.rao@linux.vnet.ibm.com> Sender: stable-owner@vger.kernel.org List-ID: 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 --- 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 -- 2.8.2