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From: Yury Norov To: , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , Andrew Pinski , Andrew Pinski Subject: [PATCH 03/18] arm64: ensure the kernel is compiled for LP64 Date: Wed, 17 Aug 2016 14:46:28 +0300 Message-ID: <1471434403-25291-4-git-send-email-ynorov@caviumnetworks.com> In-Reply-To: <1471434403-25291-1-git-send-email-ynorov@caviumnetworks.com> References: <1471434403-25291-1-git-send-email-ynorov@caviumnetworks.com> MIME-Version: 1.0 X-ClientProxiedBy: AM4PR02CA0041.eurprd02.prod.outlook.com (10.165.239.179) To DM3PR07MB2249.namprd07.prod.outlook.com (10.164.33.147) X-MS-Office365-Filtering-Correlation-Id: 1a885cf9-56dc-402b-7194-08d3c694412c X-Microsoft-Exchange-Diagnostics: 1; DM3PR07MB2249; 2:0TOlJBQOpbE7TIGaVo4WGiSb/MkGHnO0bMKmNsEVc4nQJ8I8PHUhfFJWqPhXHFxmWL7QRboOlWwaMUTNw8kHKze7DIr3vHdqkuEUjJF2q9+4wiyYPFJE2Bn4QEeWDW5vNUhCxhv9F12ofpc0+MTBdtko3dBbq8+1efMeD3euZmq11fLNAq1o9ywskGksietR; 3:Mb+8t7k7xHwoJ3ma8sbjq9I/JfhYDt+k9uUmVGhAFsqwyGzGs7XpuByctxhDgcPIRzvWA9p72HOO+YViMbh/cmvCVQ/4m4dBt82jb2gcLZlH2CsLYbvjeL+O6nuWrmZF; 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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(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 5b54f8c..4800227 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -34,14 +34,19 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) +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 else KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL +LDFLAGS += -maarch64linux endif CHECKFLAGS += -D__aarch64__