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Wed, 16 May 2018 04:23:51 -0400 Received: from mail-sn1nam02on0070.outbound.protection.outlook.com ([104.47.36.70]:57117 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752239AbeEPIXn (ORCPT ); Wed, 16 May 2018 04:23:43 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Yuri.Norov@cavium.com; From: Yury Norov To: Catalin Marinas , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org Cc: Yury Norov , Adam Borowski , Alexander Graf , Alexey Klimov , Andreas Schwab , Andrew Pinski , Bamvor Zhangjian , Chris Metcalf , Christoph Muellner , Dave Martin , "David S . Miller" , Florian Weimer , Geert Uytterhoeven , Heiko Carstens , James Hogan , James Morse , Joseph Myers , Lin Yongting , Manuel Montezelo , Mark Brown , Martin Schwidefsky , Maxim Kuvyrkov , Nathan_Lynch , Philipp Tomsich , Prasun Kapoor , Ramana Radhakrishnan , Steve Ellcey , Szabolcs Nagy , Andrew Pinski , Andrew Pinski Subject: [PATCH 23/24] arm64:ilp32: add ARM64_ILP32 to Kconfig Date: Wed, 16 May 2018 11:19:08 +0300 Message-Id: <20180516081910.10067-24-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180516081910.10067-1-ynorov@caviumnetworks.com> References: <20180516081910.10067-1-ynorov@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [176.59.36.13] X-ClientProxiedBy: VI1PR08CA0126.eurprd08.prod.outlook.com (2603:10a6:800:d4::28) To SN6PR07MB4383.namprd07.prod.outlook.com (2603:10b6:805:58::14) X-MS-PublicTrafficType: Email X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(2017052603328)(7153060)(7193020);SRVR:SN6PR07MB4383; 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Signed-off-by: Andrew Pinski Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner Signed-off-by: Yury Norov Reviewed-by: David Daney --- arch/arm64/Kconfig | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0685754a9f7b..a3134b8e3123 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1226,7 +1226,7 @@ source "fs/Kconfig.binfmt" config COMPAT def_bool y - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 config AARCH32_EL0 bool "Kernel support for 32-bit EL0" @@ -1247,6 +1247,13 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + help + This option enables support for AArch64 ILP32 user space. ILP32 + is an ABI where long and pointers are 32bits but it uses the AARCH64 + instruction set. + config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC -- 2.17.0