diff mbox series

[v3,1/5] arm64: vdso: Provide a define when building the vDSO

Message ID 20200819121318.52158-2-broonie@kernel.org
State New
Headers show
Series arm64: vdso: getcpu() support | expand

Commit Message

Mark Brown Aug. 19, 2020, 12:13 p.m. UTC 
Provide a define identifying if code is being built for the vDSO to help
with writing headers that are shared between the kernel and the vDSO.

Signed-off-by: Mark Brown <broonie@kernel.org>

---
 arch/arm64/kernel/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.20.1
diff mbox series

Patch

diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 45d5cfe46429..88cf0f0b91ed 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -28,7 +28,7 @@  ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv	\
 	     $(btildflags-y) -T
 
 ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18
-ccflags-y += -DDISABLE_BRANCH_PROFILING
+ccflags-y += -DDISABLE_BRANCH_PROFILING -D__VDSO__
 
 CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS)
 KBUILD_CFLAGS			+= $(DISABLE_LTO)