From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93BE8C4332D for ; Thu, 19 Mar 2020 12:20:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 746B120753 for ; Thu, 19 Mar 2020 12:20:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727232AbgCSMTy (ORCPT ); Thu, 19 Mar 2020 08:19:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:34098 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727187AbgCSMTu (ORCPT ); Thu, 19 Mar 2020 08:19:50 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 691CFB061; Thu, 19 Mar 2020 12:19:48 +0000 (UTC) From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Cc: Michal Suchanek , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Alexander Viro , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Greg Kroah-Hartman , Jonathan Cameron , Andy Shevchenko , Christophe Leroy , Thomas Gleixner , Arnd Bergmann , Nayna Jain , Eric Richter , Claudio Carvalho , Nicholas Piggin , Hari Bathini , Masahiro Yamada , Thiago Jung Bauermann , Sebastian Andrzej Siewior , Valentin Schneider , Jordan Niethe , Michael Neuling , Gustavo Luiz Duarte , Allison Randal , "Eric W. Biederman" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v11 6/8] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default. Date: Thu, 19 Mar 2020 13:19:34 +0100 Message-Id: <4ebc213bc09013531c852c0e083f286f55cb69ad.1584620202.git.msuchanek@suse.de> X-Mailer: git-send-email 2.23.0 In-Reply-To: References: <20200225173541.1549955-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On bigendian ppc64 it is common to have 32bit legacy binaries but much less so on littleendian. Signed-off-by: Michal Suchanek Reviewed-by: Christophe Leroy --- v3: make configurable --- arch/powerpc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 497b7d0b2d7e..29d00b3959b9 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -264,8 +264,9 @@ config PANIC_TIMEOUT default 180 config COMPAT - bool - default y if PPC64 + bool "Enable support for 32bit binaries" + depends on PPC64 + default y if !CPU_LITTLE_ENDIAN select COMPAT_BINFMT_ELF select ARCH_WANT_OLD_COMPAT_IPC select COMPAT_OLD_SIGACTION -- 2.23.0