On 12/14/2011 04:03 PM, Linus Torvalds wrote: > > I'm pretty sure that we had some chips that actually do write random > stuff to the destination register when the input is zero. > > We relied on the "doesn't change the destination" at some point *long* > ago, and it turned out not to work, but I can't remember what chip it > was. > > I'm nervous about making this change even on x86-64 unless we add big > comments about the old 32-bit change. Can somebody find the historic > thing and a comment about which chip it was? > The ones I know of are some steppings of the 486. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
