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a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-caviumnetworks-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=QACty4lnXDXoWdryqfYzHXb+V0aeds9v8RXT/rWhZbM=; b=RUd7XeKMb3+WSB9BCqnH3A69J60C4JWOoo9uuXsc+eemnNRkkfjRgohhgkFTzdlWMFcKJIQemFGcos8NBh1qoS8jDw+ZFRciJPW2LZCCZqRsnlDKnjzk0x4eh1etzbpEI/KJxDGA5/rvCo5Er++x8iCNBchXX65vgst5qTdavus= Authentication-Results: lists.infradead.org; dkim=none (message not signed) header.d=none; lists.infradead.org; dmarc=none action=none header.from=caviumnetworks.com; Received: from localhost (27.97.135.110) by CY1PR07MB2245.namprd07.prod.outlook.com (10.164.112.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.933.12; Wed, 1 Mar 2017 19:23:37 +0000 From: Yury Norov To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Arnd Bergmann , Catalin Marinas Cc: Yury Norov , Andrew Pinski , Andrew Pinski , Adam Borowski , Chris Metcalf , Steve Ellcey , Maxim Kuvyrkov , Ramana Radhakrishnan , Florian Weimer , Bamvor Zhangjian , Andreas Schwab , Chris Metcalf , Heiko Carstens , schwidefsky@de.ibm.com, broonie@kernel.org, Joseph Myers , christoph.muellner@theobroma-systems.com, szabolcs.nagy@arm.com, klimov.linux@gmail.com, Nathan_Lynch@mentor.com, agraf@suse.de, Prasun.Kapoor@caviumnetworks.com, geert@linux-m68k.org, philipp.tomsich@theobroma-systems.com, manuel.montezelo@gmail.com, linyongting@huawei.com, davem@davemloft.net, zhouchengming1@huawei.com, Andrew Pinski Subject: [PATCH 20/20] arm64:ilp32: add ARM64_ILP32 to Kconfig Date: Thu, 2 Mar 2017 00:49:28 +0530 Message-Id: <1488395968-14313-21-git-send-email-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488395968-14313-1-git-send-email-ynorov@caviumnetworks.com> References: <1488395968-14313-1-git-send-email-ynorov@caviumnetworks.com> MIME-Version: 1.0 X-Originating-IP: [27.97.135.110] X-ClientProxiedBy: AM4PR02CA0021.eurprd02.prod.outlook.com (10.165.239.159) To CY1PR07MB2245.namprd07.prod.outlook.com (10.164.112.147) X-MS-Office365-Filtering-Correlation-Id: fb831399-4415-4fcb-d302-08d460d87694 X-Microsoft-Antispam: UriScan:; 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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 | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) -- 2.7.4 diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index d059063..887f391 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1043,7 +1043,7 @@ source "fs/Kconfig.binfmt" config COMPAT bool - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 config AARCH32_EL0 bool "Kernel support for 32-bit EL0" @@ -1065,6 +1065,14 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + select COMPAT + 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