JIT_DESC_CONVERT
#define CONVERTED(desc) ((desc) & JIT_DESC_CONVERT)
#define INDEX(desc) ((desc) & ~JIT_DESC_CONVERT)
*descp |= JIT_DESC_CONVERT;
*descp |= JIT_DESC_CONVERT;
*descp &= JIT_DESC_CONVERT;
u32 flag = enable ? JIT_DESC_CONVERT : 0;