diff --git a/arch/riscv/include/asm/cacheflush.h b/arch/riscv/include/asm/cacheflush.h
index dd8d07146116..ce79c558a4c8 100644
--- a/arch/riscv/include/asm/cacheflush.h
+++ b/arch/riscv/include/asm/cacheflush.h
@@ -13,6 +13,12 @@ static inline void local_flush_icache_all(void)
 	asm volatile ("fence.i" ::: "memory");
 }
 
+static inline void local_flush_icache_range(unsigned long start,
+					    unsigned long end)
+{
+	local_flush_icache_all();
+}
+
 #define PG_dcache_clean PG_arch_1
 
 static inline void flush_dcache_folio(struct folio *folio)
diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c
index 4d14eadcd765..87cbd86576b2 100644
--- a/arch/riscv/kernel/ftrace.c
+++ b/arch/riscv/kernel/ftrace.c
@@ -120,6 +120,9 @@ int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec)
 	out = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
 	mutex_unlock(&text_mutex);
 
+	if (!mod)
+		local_flush_icache_range(rec->ip, rec->ip + MCOUNT_INSN_SIZE);
+
 	return out;
 }