diff --git a/arch/riscv/kernel/alternative.c b/arch/riscv/kernel/alternative.c
index 104dc0862c5c..6aba169fb213 100644
--- a/arch/riscv/kernel/alternative.c
+++ b/arch/riscv/kernel/alternative.c
@@ -173,24 +173,14 @@ static void __init_or_module _apply_alternatives(struct alt_entry *begin,
 				stage);
 }
 
-static void __init apply_vdso_alternatives(void *start)
+static __always_inline
+void __init apply_vdso_alternatives(void *base, size_t alternatives_begin, size_t alternatives_end)
 {
-	const Elf_Ehdr *hdr;
-	const Elf_Shdr *shdr;
-	const Elf_Shdr *alt;
-	struct alt_entry *begin, *end;
-
-	hdr = (Elf_Ehdr *)start;
-	shdr = (void *)hdr + hdr->e_shoff;
-	alt = find_section(hdr, shdr, ".alternative");
-	if (!alt)
+	if (alternatives_begin == alternatives_end)
 		return;
 
-	begin = (void *)hdr + alt->sh_offset,
-	end = (void *)hdr + alt->sh_offset + alt->sh_size,
-
-	_apply_alternatives((struct alt_entry *)begin,
-			    (struct alt_entry *)end,
+	_apply_alternatives(base + alternatives_begin,
+			    base + alternatives_end,
 			    RISCV_ALTERNATIVES_BOOT);
 }
 
@@ -204,10 +194,14 @@ void __init apply_boot_alternatives(void)
 			    RISCV_ALTERNATIVES_BOOT);
 
 	if (IS_ENABLED(CONFIG_MMU))
-		apply_vdso_alternatives(vdso_start);
+		apply_vdso_alternatives(vdso_start,
+					__vdso_alternatives_start_offset,
+					__vdso_alternatives_end_offset);
 
 	if (IS_ENABLED(CONFIG_RISCV_USER_CFI))
-		apply_vdso_alternatives(vdso_cfi_start);
+		apply_vdso_alternatives(vdso_cfi_start,
+					__vdso_alternatives_start_cfi_offset,
+					__vdso_alternatives_end_cfi_offset);
 }
 
 /*