On Mon, May 18, 2020 at 04:26:33PM -0700, Jacob Keller wrote: > Yep, the current code doing that is incorrect if the platform can't do > unaligned access.
But only if the pointer is actually not aligned. The way the buffers are allocated and the message definitions ensure proper alignment. In a few cases we use memcpy when the alignment is not guaranteed. > I'm not sure what actually happens here: will the compiler for such a > platform produce the right code for reading, or will it simply give up > on the unaligned pointers? To my knowledge, most platforms in use today can handle unaligned access up to the native word size. The old Xscale machines could not perform an unaligned 2 byte de-reference correctly. The result would be wrong values in the destination CPU registers. Thanks, Richard _______________________________________________ Linuxptp-devel mailing list Linuxptp-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
