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Mon, 19 Jun 2017 15:54:02 +0000 From: Yury Norov To: Catalin Marinas , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH 20/20] arm64:ilp32: add ARM64_ILP32 to Kconfig Date: Mon, 19 Jun 2017 18:50:03 +0300 Message-Id: <20170619155003.13218-21-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170619155003.13218-1-ynorov@caviumnetworks.com> References: <20170619155003.13218-1-ynorov@caviumnetworks.com> MIME-Version: 1.0 X-Originating-IP: [85.253.137.34] X-ClientProxiedBy: VI1P190CA0018.EURP190.PROD.OUTLOOK.COM (10.165.188.159) To CY1PR0701MB1867.namprd07.prod.outlook.com (10.163.42.21) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 052852ed-f60e-4968-085a-08d4b72b6867 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(22001)(201703131423075)(201703031133081); SRVR:CY1PR0701MB1867; X-Microsoft-Exchange-Diagnostics: 1; CY1PR0701MB1867; 3:98Sz83IumWa+i5RFB88JUoO+n9uHFA431XKMQN9GQL7c/eV4Luf9ckSXbqKXdecYhVtJWv8mXCckNzt2hu+TRaN0JF6biL4D5egpRq2lJNyBM8Iv4QOfGcB3WqI21DVgu3xPVu+ymNQDZN4CD23FxKiv8fLMSZvgR4qfJboNOtMxTfk4axkQ8VhITNCCobIZh2/5vlhCFVPZlSrcM5kmg94w/BnwM637kaApWlFcClWDYJc42b7EsVaZkDJezKcA+h+xVdu43TeTe6XGHED0rQzlcXNXVpYwdWG6slXUy4XegXo9FnU61I3qjgeXQu7peUTRkNpypC1NBK43friLZA==; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: szabolcs.nagy@arm.com, Heiko Carstens , Chris Metcalf , Yury Norov , philipp.tomsich@theobroma-systems.com, Joseph Myers , zhouchengming1@huawei.com, Steve Ellcey , Prasun.Kapoor@caviumnetworks.com, Andreas Schwab , Alexander Graf , Andrew Pinski , Geert Uytterhoeven , Adam Borowski , manuel.montezelo@gmail.com, James Hogan , Chris Metcalf , Andrew Pinski , linyongting@huawei.com, Alexey Klimov , Mark Brown , Bamvor Zhangjian , Maxim Kuvyrkov , Florian Weimer , Nathan_Lynch@mentor.com, James Morse , Andrew Pinski , Ramana Radhakrishnan , schwidefsky@de.ibm.com, davem@davemloft.net, christoph.muellner@theobroma-systems.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andrew Pinski This patch adds the config option for ILP32. 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 168ab2cc426b..242771c764a5 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1079,7 +1079,7 @@ 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" @@ -1100,6 +1100,13 @@ 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