On 05/02/2014 02:07 PM, Linus Torvalds wrote: > On Fri, May 2, 2014 at 2:04 PM, Andy Lutomirski <l...@amacapital.net> wrote: >> >> Because otherwise I'd have to keep track of whether it's a zeroentry >> or an errorentry. I can't stuff the offset in a register without even >> more stack hackery, since there are no available registers there. I >> could split the whole thing into two code paths, I guess. > > Ahh. Never mind. I didn't think about the fact that the error entry > case had one more field on the stack. Your approach is all fine, it > was me not seeing the problem. >
I have to admit to being rather partial to the idea of simply doing "push $0" on entry for the vectors that don't push an error code, like the early exception handling code does. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/