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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=JLYKsTmO7xAQnTgYatE7+N0XYhTkHhyRSEKY+l1RTfo=; b=rxCkLhT5NLCQd0K0w3BINxOfGRhnJ8wTgV2Ink+voV7ZX3BRPFG1aYyw0ux7vFdj5GWC4EzWM1Kor8HSHmijidK3/XQWjR7RK1ZlMJTirOwtoef4miAME9cpYtTzaxRfrJMBjhj1Unc1CBvptgKPjxyFXUFb1zgH/1eI5Hkt8so= 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 DM3PR07MB2252.namprd07.prod.outlook.com (10.164.33.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.919.13; Wed, 1 Mar 2017 19:20:52 +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 06/20] arm64: ensure the kernel is compiled for LP64 Date: Thu, 2 Mar 2017 00:49:14 +0530 Message-Id: <1488395968-14313-7-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: VI1P194CA0007.EURP194.PROD.OUTLOOK.COM (10.175.178.17) To DM3PR07MB2252.namprd07.prod.outlook.com (10.164.33.150) X-MS-Office365-Filtering-Correlation-Id: a8e9b55b-472d-4b8e-2837-08d460d81425 X-Microsoft-Antispam: UriScan:; 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Consequently, we need to explicitly pass '-mabi=lp64' (supported on gcc-4.9 and newer). 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/Makefile | 5 +++++ 1 file changed, 5 insertions(+) -- 2.7.4 diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index b9a4a93..c89734d 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -48,15 +48,20 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) $(brokengasinst) +KBUILD_CFLAGS += $(call cc-option,-mabi=lp64) +KBUILD_AFLAGS += $(call cc-option,-mabi=lp64) + ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian AS += -EB LD += -EB +LDFLAGS += -maarch64linuxb UTS_MACHINE := aarch64_be else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux UTS_MACHINE := aarch64 endif