3 files changed, 17 insertions, 4 deletions
diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile
index d8316f993482..520f1513f07d 100644
--- a/arch/loongarch/vdso/Makefile
+++ b/arch/loongarch/vdso/Makefile
@@ -4,8 +4,9 @@
 # Include the generic Makefile to check the built vdso.
 include $(srctree)/lib/vdso/Makefile.include
 
-obj-vdso-y := elf.o vgetcpu.o vgettimeofday.o vgetrandom.o \
+obj-vdso-y := elf.o vgetcpu.o vgetrandom.o \
               vgetrandom-chacha.o sigreturn.o
+obj-vdso-$(CONFIG_GENERIC_GETTIMEOFDAY) += vgettimeofday.o
 
 # Common compiler flags between ABIs.
 ccflags-vdso := \
@@ -16,10 +17,14 @@ ccflags-vdso := \
 	$(CLANG_FLAGS) \
 	-D__VDSO__
 
+ifdef CONFIG_32BIT
+ccflags-vdso += -DBUILD_VDSO32
+endif
+
 cflags-vdso := $(ccflags-vdso) \
 	-isystem $(shell $(CC) -print-file-name=include) \
 	$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
-	-std=gnu11 -O2 -g -fno-strict-aliasing -fno-common -fno-builtin \
+	-std=gnu11 -fms-extensions -O2 -g -fno-strict-aliasing -fno-common -fno-builtin \
 	-fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \
 	$(call cc-option, -fno-asynchronous-unwind-tables) \
 	$(call cc-option, -fno-stack-protector)
diff --git a/arch/loongarch/vdso/vdso.lds.S b/arch/loongarch/vdso/vdso.lds.S
index 8ff986499947..ac537e02beb1 100644
--- a/arch/loongarch/vdso/vdso.lds.S
+++ b/arch/loongarch/vdso/vdso.lds.S
@@ -7,8 +7,6 @@
 #include <generated/asm-offsets.h>
 #include <vdso/datapage.h>
 
-OUTPUT_FORMAT("elf64-loongarch", "elf64-loongarch", "elf64-loongarch")
-
 OUTPUT_ARCH(loongarch)
 
 SECTIONS
@@ -63,9 +61,11 @@ VERSION
 	LINUX_5.10 {
 	global:
 		__vdso_getcpu;
+#ifdef CONFIG_GENERIC_GETTIMEOFDAY
 		__vdso_clock_getres;
 		__vdso_clock_gettime;
 		__vdso_gettimeofday;
+#endif
 		__vdso_getrandom;
 		__vdso_rt_sigreturn;
 	local: *;
diff --git a/arch/loongarch/vdso/vgetcpu.c b/arch/loongarch/vdso/vgetcpu.c
index 5301cd9d0f83..73af49242ecd 100644
--- a/arch/loongarch/vdso/vgetcpu.c
+++ b/arch/loongarch/vdso/vgetcpu.c
@@ -10,11 +10,19 @@ static __always_inline int read_cpu_id(void)
 {
 	int cpu_id;
 
+#ifdef CONFIG_64BIT
 	__asm__ __volatile__(
 	"	rdtime.d $zero, %0\n"
 	: "=r" (cpu_id)
 	:
 	: "memory");
+#else
+	__asm__ __volatile__(
+	"	rdtimel.w $zero, %0\n"
+	: "=r" (cpu_id)
+	:
+	: "memory");
+#endif
 
 	return cpu_id;
 }