diff --git a/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/irq_stack.h b/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/irq_stack.h
new file mode 100644
index 0000000000..26f321cd7e
--- /dev/null
+++ b/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/irq_stack.h
@@ -0,0 +1,39 @@
+/**
+ * \brief  Shadow copy of asm/irq_stack.h
+ * \author Stefan Kalkowski
+ * \date   2022-06-29
+ */
+
+#ifndef _LX_EMUL__SHADOW__ARCH__X89__INCLUDE__ASM__IRQ_STACK_H_
+#define _LX_EMUL__SHADOW__ARCH__X89__INCLUDE__ASM__IRQ_STACK_H_
+
+#include_next <asm/irq_stack.h>
+
+#undef call_on_stack
+#undef ASM_CALL_ARG0
+
+#define call_on_stack(stack, func, asm_call, argconstr...)		\
+{									\
+	register void *tos asm("r11");					\
+									\
+	tos = ((void *)(stack));					\
+									\
+	asm_inline volatile(						\
+	"movq	%%rsp, (%[tos])				\n"		\
+	"movq	%[tos], %%rsp				\n"		\
+									\
+	asm_call							\
+									\
+	"popq	%%rsp					\n"		\
+									\
+	: "+r" (tos), ASM_CALL_CONSTRAINT				\
+	: [__func] "r" (func), [tos] "r" (tos) argconstr		\
+	: "cc", "rax", "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10",	\
+	  "memory"							\
+	);								\
+}
+
+#define ASM_CALL_ARG0							\
+	"call *%P[__func]				\n"
+
+#endif /* _LX_EMUL__SHADOW__ARCH__X89__INCLUDE__ASM__IRQ_STACK_H_ */
diff --git a/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/pgtable.h b/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/pgtable.h
index a1c3db06c3..08608cb80d 100644
--- a/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/pgtable.h
+++ b/repos/dde_linux/src/include/lx_emul/shadow/arch/x86/include/asm/pgtable.h
@@ -53,5 +53,7 @@ static inline int pud_none(pud_t pud)
 
 #endif
 
+#define pmd_page(pmd) NULL
+
 #endif /*_ASM__X86__PGTABLE_H */
 
diff --git a/repos/dde_linux/src/lib/lx_emul/shadow/kernel/locking/spinlock.c b/repos/dde_linux/src/lib/lx_emul/shadow/kernel/locking/spinlock.c
index 2e3104d54c..e3c7fcf73a 100644
--- a/repos/dde_linux/src/lib/lx_emul/shadow/kernel/locking/spinlock.c
+++ b/repos/dde_linux/src/lib/lx_emul/shadow/kernel/locking/spinlock.c
@@ -36,12 +36,6 @@ unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t * lock)
 }
 
 
-void __lockfunc _raw_spin_unlock(raw_spinlock_t * lock)
-{
-	arch_spin_unlock(&lock->raw_lock);
-}
-
-
 void __lockfunc _raw_spin_unlock_irqrestore(raw_spinlock_t * lock,
                                             unsigned long flags)
 {
@@ -56,12 +50,6 @@ void __lockfunc _raw_spin_lock_irq(raw_spinlock_t * lock)
 }
 
 
-void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t * lock)
-{
-	_raw_spin_unlock_irqrestore(lock, 0);
-}
-
-
 int __lockfunc _raw_spin_trylock(raw_spinlock_t * lock)
 {
 	return arch_spin_trylock(&lock->raw_lock);
@@ -74,7 +62,21 @@ void __lockfunc _raw_write_lock(rwlock_t * lock)
 }
 
 
+#ifndef CONFIG_X86
+void __lockfunc __raw_spin_unlock(raw_spinlock_t * lock)
+{
+	arch_spin_unlock(&lock->raw_lock);
+}
+
+
+void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t * lock)
+{
+	_raw_spin_unlock_irqrestore(lock, 0);
+}
+
+
 void __lockfunc _raw_write_unlock(rwlock_t * lock)
 {
 	arch_write_unlock(&(lock)->raw_lock);
 }
+#endif