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, URIBL_BLOCKED,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 31389C3A59F for ; Thu, 29 Aug 2019 10:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 120DD233FF for ; Thu, 29 Aug 2019 10:24:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727314AbfH2KXz (ORCPT ); Thu, 29 Aug 2019 06:23:55 -0400 Received: from mx2.suse.de ([195.135.220.15]:59752 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727139AbfH2KXx (ORCPT ); Thu, 29 Aug 2019 06:23:53 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 22639B64A; Thu, 29 Aug 2019 10:23:52 +0000 (UTC) From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Cc: Michal Suchanek , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Christophe Leroy , Nicholas Piggin , Hari Bathini , Joel Stanley , Andrew Donnellan , Firoz Khan , Breno Leitao , Russell Currey , Nicolai Stange , Michael Neuling , "Eric W. Biederman" , Thomas Gleixner , Arnd Bergmann , Geert Uytterhoeven , Heiko Carstens , Christian Brauner , David Howells , Greg Kroah-Hartman , Allison Randal , David Hildenbrand , linux-kernel@vger.kernel.org Subject: [PATCH v4 4/4] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default. Date: Thu, 29 Aug 2019 12:23:43 +0200 Message-Id: X-Mailer: git-send-email 2.22.0 In-Reply-To: References: 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 --- 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 5bab0bb6b833..b0339e892329 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 -- 2.22.0