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authorLuc Van Oostenryck <luc.vanoostenryck@gmail.com>2017-06-20 14:24:43 +0200
committerWill Deacon <will.deacon@arm.com>2017-06-20 16:47:16 +0100
commitf5d284900c0f960e318a063f4c40826b6e3aa6a8 (patch)
treecfb7257de6e9e994724e88a3bccabcda1a50890f /arch/arm64/Makefile
parentarm64: signal: factor out signal frame record allocation (diff)
downloadlinux-dev-f5d284900c0f960e318a063f4c40826b6e3aa6a8.tar.xz
linux-dev-f5d284900c0f960e318a063f4c40826b6e3aa6a8.zip
arm64: pass machine size to sparse
When using sparse on the arm64 tree we get many thousands of warnings like 'constant ... is so big it is unsigned long long' or 'shift too big (32) for type unsigned long'. This happens because by default sparse considers the machine as 32bit and defines the size of the types accordingly. Fix this by passing the '-m64' flag to sparse so that sparse can correctly define longs as being 64bit. CC: Catalin Marinas <catalin.marinas@arm.com> CC: Will Deacon <will.deacon@arm.com> CC: linux-arm-kernel@lists.infradead.org Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/Makefile')
-rw-r--r--arch/arm64/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 1ce57b42f390..fdb0133142ff 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -62,7 +62,7 @@ LD += -EL
UTS_MACHINE := aarch64
endif
-CHECKFLAGS += -D__aarch64__
+CHECKFLAGS += -D__aarch64__ -m64
ifeq ($(CONFIG_ARM64_MODULE_CMODEL_LARGE), y)
KBUILD_CFLAGS_MODULE += -mcmodel=large