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authorWill Deacon <will@kernel.org>2021-02-12 15:17:42 +0000
committerWill Deacon <will@kernel.org>2021-02-12 15:17:42 +0000
commit1ffa9763828cf73a4d4eaa04c29a4a89fb0708c7 (patch)
tree7ec6212946a5e583c37aac1d866ad2539754d1e6
parentdcabe10d97f51d0ceca4ef54e607de85d665546f (diff)
parentf3cb097ad8888019e6d8777cb17bcee18ac6c2f6 (diff)
Merge branch 'for-next/vdso' into for-next/core
vDSO build improvements. * for-next/vdso: arm64: Support running gen_vdso_offsets.sh with BSD userland. arm64: do not descend to vdso directories twice
-rw-r--r--arch/arm64/Makefile10
-rw-r--r--arch/arm64/kernel/Makefile5
-rw-r--r--arch/arm64/kernel/vdso-wrap.S (renamed from arch/arm64/kernel/vdso/vdso.S)0
-rw-r--r--arch/arm64/kernel/vdso/Makefile1
-rwxr-xr-xarch/arm64/kernel/vdso/gen_vdso_offsets.sh2
-rw-r--r--arch/arm64/kernel/vdso32-wrap.S (renamed from arch/arm64/kernel/vdso32/vdso.S)0
-rw-r--r--arch/arm64/kernel/vdso32/Makefile1
7 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 90309208bb28..5b84aec31ed3 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -188,10 +188,12 @@ ifeq ($(KBUILD_EXTMOD),)
# this hack.
prepare: vdso_prepare
vdso_prepare: prepare0
- $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso include/generated/vdso-offsets.h
- $(if $(CONFIG_COMPAT_VDSO),$(Q)$(MAKE) \
- $(build)=arch/arm64/kernel/vdso32 \
- include/generated/vdso32-offsets.h)
+ $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso \
+ include/generated/vdso-offsets.h arch/arm64/kernel/vdso/vdso.so
+ifdef CONFIG_COMPAT_VDSO
+ $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 \
+ include/generated/vdso32-offsets.h arch/arm64/kernel/vdso32/vdso.so
+endif
endif
define archhelp
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index 2262f0392857..ed65576ce710 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -59,9 +59,10 @@ obj-$(CONFIG_CRASH_CORE) += crash_core.o
obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
obj-$(CONFIG_ARM64_MTE) += mte.o
+obj-y += vdso-wrap.o
+obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o
-obj-y += vdso/ probes/
-obj-$(CONFIG_COMPAT_VDSO) += vdso32/
+obj-y += probes/
head-y := head.o
extra-y += $(head-y) vmlinux.lds
diff --git a/arch/arm64/kernel/vdso/vdso.S b/arch/arm64/kernel/vdso-wrap.S
index c4b1990bf2be..c4b1990bf2be 100644
--- a/arch/arm64/kernel/vdso/vdso.S
+++ b/arch/arm64/kernel/vdso-wrap.S
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index cd9c3fa25902..76c0255ecc91 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -44,7 +44,6 @@ endif
# Disable gcov profiling for VDSO code
GCOV_PROFILE := n
-obj-y += vdso.o
targets += vdso.lds
CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
diff --git a/arch/arm64/kernel/vdso/gen_vdso_offsets.sh b/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
index 8b806eacd0a6..0387209d65b1 100755
--- a/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
+++ b/arch/arm64/kernel/vdso/gen_vdso_offsets.sh
@@ -13,4 +13,4 @@
LC_ALL=C
sed -n -e 's/^00*/0/' -e \
-'s/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2\t0x\1/p'
+'s/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2 0x\1/p'
diff --git a/arch/arm64/kernel/vdso32/vdso.S b/arch/arm64/kernel/vdso32-wrap.S
index e72ac7bc4c04..e72ac7bc4c04 100644
--- a/arch/arm64/kernel/vdso32/vdso.S
+++ b/arch/arm64/kernel/vdso32-wrap.S
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index a1e0f91e6cea..789ad420f16b 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -155,7 +155,6 @@ c-obj-vdso-gettimeofday := $(addprefix $(obj)/, $(c-obj-vdso-gettimeofday))
asm-obj-vdso := $(addprefix $(obj)/, $(asm-obj-vdso))
obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)
-obj-y += vdso.o
targets += vdso.lds
CPPFLAGS_vdso.lds += -P -C -U$(ARCH)