* Andi Kleen <20050306213047.GA65970@xxxxxx> 2005-03-06 22:30 > On Sun, Mar 06, 2005 at 09:45:16PM +0100, Thomas Graf wrote: > > Yes, it will work around the martian route and arp checks but > > will probably break quite a few usersapce applications. > > Unlikely. glibc has an own LOOPBACK() and all modern distributions > use separate kernel/user headers anyways. I was rather referring to the reduced loopback scope. I'm aware of at least 3 applications that make extensive use of big portions of the scope to multiplex streams and they depend on LOOPBACK() to make sure the addresses they use will be looped back. I agree that userspace has its own LOOPBACK macro in most cases but this is exactly the problem, it may result in userspace assuming certain addreses to be regarded as loopback by the kernel when they won't. This of course heavily depends on how the LOOPBACK macro is changed. I just wanted to point out that it may affect userspace under certain circumstances. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
