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-rw-r--r--arch/arm64/kernel/vdso/Makefile19
-rw-r--r--arch/arm64/kernel/vdso/vdso.lds.S5
-rw-r--r--arch/arm64/kernel/vdso/vgettimeofday.c4
3 files changed, 13 insertions, 15 deletions
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index bafbf78fab77..8818287f1095 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -6,9 +6,7 @@
# Heavily based on the vDSO Makefiles for other archs.
#
-# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
-# the inclusion of generic Makefile.
-ARCH_REL_TYPE_ABS := R_AARCH64_JUMP_SLOT|R_AARCH64_GLOB_DAT|R_AARCH64_ABS64
+# Include the generic Makefile to check the built vdso.
include $(srctree)/lib/vdso/Makefile
obj-vdso := vgettimeofday.o note.o sigreturn.o
@@ -27,7 +25,7 @@ ldflags-y := -shared -soname=linux-vdso.so.1 --hash-style=sysv \
-Bsymbolic --build-id=sha1 -n $(btildflags-y)
ifdef CONFIG_LD_ORPHAN_WARN
- ldflags-y += --orphan-handling=warn
+ ldflags-y += --orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL)
endif
ldflags-y += -T
@@ -40,7 +38,8 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO
# kernel with CONFIG_WERROR enabled.
CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) \
$(RANDSTRUCT_CFLAGS) $(GCC_PLUGINS_CFLAGS) \
- $(CC_FLAGS_LTO) -Wmissing-prototypes -Wmissing-declarations
+ $(CC_FLAGS_LTO) $(CC_FLAGS_CFI) \
+ -Wmissing-prototypes -Wmissing-declarations
KASAN_SANITIZE := n
KCSAN_SANITIZE := n
UBSAN_SANITIZE := n
@@ -79,13 +78,3 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE
# Actual build commands
quiet_cmd_vdsold_and_vdso_check = LD $@
cmd_vdsold_and_vdso_check = $(cmd_ld); $(cmd_vdso_check)
-
-# Install commands for the unstripped file
-quiet_cmd_vdso_install = INSTALL $@
- cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
-
-vdso.so: $(obj)/vdso.so.dbg
- @mkdir -p $(MODLIB)/vdso
- $(call cmd,vdso_install)
-
-vdso_install: vdso.so
diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S
index e69fb4aaaf3e..45354f2ddf70 100644
--- a/arch/arm64/kernel/vdso/vdso.lds.S
+++ b/arch/arm64/kernel/vdso/vdso.lds.S
@@ -48,6 +48,11 @@ SECTIONS
PROVIDE (_etext = .);
PROVIDE (etext = .);
+ . = ALIGN(4);
+ .altinstructions : {
+ *(.altinstructions)
+ }
+
.dynamic : { *(.dynamic) } :text :dynamic
.rela.dyn : ALIGN(8) { *(.rela .rela*) }
diff --git a/arch/arm64/kernel/vdso/vgettimeofday.c b/arch/arm64/kernel/vdso/vgettimeofday.c
index 4236cf34d7d9..9941c5b04f15 100644
--- a/arch/arm64/kernel/vdso/vgettimeofday.c
+++ b/arch/arm64/kernel/vdso/vgettimeofday.c
@@ -6,6 +6,10 @@
*
*/
+int __kernel_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
+int __kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
+int __kernel_clock_getres(clockid_t clock_id, struct __kernel_timespec *res);
+
int __kernel_clock_gettime(clockid_t clock,
struct __kernel_timespec *ts)
{