On Fri, Apr 26, 2013 at 11:11 AM, Eric Dumazet <eric.duma...@gmail.com> wrote: > 2) Calling a function potentially destroys some registers. > %rdi,%r8,%r9 for instance, so we are going to crash very easily. > > I dont know, I feel a bit uncomfortable having to explain this to > someone sending security related patches...
My old code did save these registers. But, do we really need that for seccomp? For example, %rdi (skb) is always NULL and never used by seccomp filters. Did I miss anything? - xi -- 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/
