From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
linux-kselftest@vger.kernel.org, Shuah Khan <shuah@kernel.org>,
Mark Brown <broonie@kernel.org>
Subject: [PATCH v3 1/5] arm64: vdso: Provide a define when building the vDSO
Date: Wed, 19 Aug 2020 13:13:14 +0100 [thread overview]
Message-ID: <20200819121318.52158-2-broonie@kernel.org> (raw)
In-Reply-To: <20200819121318.52158-1-broonie@kernel.org>
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(-)
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)
--
2.20.1
next prev parent reply other threads:[~2020-08-19 12:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 12:13 [PATCH v3 0/5] arm64: vdso: getcpu() support Mark Brown
2020-08-19 12:13 ` Mark Brown [this message]
2020-08-19 12:13 ` [PATCH v3 2/5] arm64: vdso: Add per-CPU data Mark Brown
2020-08-19 12:13 ` [PATCH v3 3/5] arm64: vdso: Initialise the per-CPU vDSO data Mark Brown
2020-08-19 12:13 ` [PATCH v3 4/5] arm64: vdso: Add getcpu() implementation Mark Brown
2020-08-19 12:13 ` [PATCH v3 5/5] selftests: vdso: Support arm64 in getcpu() test Mark Brown
2020-08-31 21:47 ` [PATCH v3 0/5] arm64: vdso: getcpu() support Shuah Khan
2020-09-01 9:25 ` Catalin Marinas
2020-09-01 10:46 ` Mark Brown
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