diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index bed74a0f2932dfdba626b239baddfbd07d06494f..71943dce691ed72ce4839adf9fb3b0a51cc0525d 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -270,6 +270,8 @@ static inline u32 efi64_convert_status(efi_status_t status)
 	return (u32)(status | (u64)status >> 32);
 }
 
+#define __efi64_split(val)		(val) & U32_MAX, (u64)(val) >> 32
+
 #define __efi64_argmap_free_pages(addr, size)				\
 	((addr), 0, (size))
 
@@ -317,6 +319,13 @@ static inline u32 efi64_convert_status(efi_status_t status)
 #define __efi64_argmap_hash_log_extend_event(prot, fl, addr, size, ev)	\
 	((prot), (fl), 0ULL, (u64)(addr), 0ULL, (u64)(size), 0ULL, ev)
 
+/* DXE services */
+#define __efi64_argmap_get_memory_space_descriptor(phys, desc) \
+	(__efi64_split(phys), (desc))
+
+#define __efi64_argmap_set_memory_space_descriptor(phys, size, flags) \
+	(__efi64_split(phys), __efi64_split(size), __efi64_split(flags))
+
 /*
  * The macros below handle the plumbing for the argument mapping. To add a
  * mapping for a specific EFI method, simply define a macro
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index b14e88ccefcab5cedeca8ad5d1ce68be98e7d4b0..05ae8bcc9d671e46bb350d0193c866c54f22bb3d 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -260,10 +260,10 @@ adjust_memory_range_protection(unsigned long start, unsigned long size)
 				      EFI_MEMORY_WB);
 
 		if (status != EFI_SUCCESS) {
-			efi_warn("Unable to unprotect memory range [%08lx,%08lx]: %d\n",
+			efi_warn("Unable to unprotect memory range [%08lx,%08lx]: %lx\n",
 				 unprotect_start,
 				 unprotect_start + unprotect_size,
-				 (int)status);
+				 status);
 		}
 	}
 }