On Thu, February 23, 2012 00:51, Andrew Lutomirski wrote: > On Wed, Feb 22, 2012 at 3:46 PM, Indan Zupancic <indan@xxxxxx> wrote: >> On Wed, February 22, 2012 20:47, Will Drewry wrote: >>> On Wed, Feb 22, 2012 at 8:23 AM, Ben Hutchings >>>> I would have thought the way to make sure the architecture is always >>>> checked is to pack it together with the syscall number. >> >> I missed that suggestion, putting the syscall number and arch in one >> data field would indeed make it harder to not check the arch. > > Is there enough room? On x86-64 at least, rax could conceivably be > extended to 64 bits some day. Bit 30 is already spoken for by x32. No, there isn't. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html