On 05/25/2012 10:05 AM, Thavatchai Makphaibulcboke wrote: >> We could do that. But according to the comment in the original >> implementation, there seems to be a concern regarding its performance >> speed. If you believe all archs' memcpy would give comparable >> performance to the memmove. then I could do that. >> > > Also how about the case for overlapping buffer, especially when the > destination is at a higher address? I do not believe memcpy guarantee > to work. memcpy() is not guaranteed to work for any overlap; that is what memmove() is for. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
