Re: [PATCH 2/2] x86, paravirt: Fix bool return type for PVOP_CALL

From: Pan Xinhui
Date: Thu Dec 08 2016 - 11:41:04 EST



hi, Peter
I think I know the point.

then could we just let __eax rettype(here is bool), not unsigned long?
I does not do tests for my thoughts.

@@ -461,7 +461,9 @@ int paravirt_disable_iospace(void);
#define PVOP_VCALL_ARGS \
unsigned long __eax = __eax, __edx = __edx, __ecx = __ecx; \
register void *__sp asm("esp")
-#define PVOP_CALL_ARGS PVOP_VCALL_ARGS
+#define PVOP_CALL_ARGS \
+ rettype __eax = __eax, __edx = __edx, __ecx = __ecx; \
+ register void *__sp asm("esp")