> > > The kernel knows perfectly well that its silly to send packets to yourself
> > > via external interfaces. This patch isn't needed. The bug is your routing
> > > table and trying to set up this configuration.
> >
> > Alan, this bitten me long time ago, too. External loopback is very
> > nice for testing...
>
> There are two reasons Im not putting this in
>
> 1. Its a very specialised need. The patch is fine if you need it add it - its
> more specialised than other "not needed" patches people keep out of the
> main tree.
>
> 2. Its on a common code path. Sum the number of times that path is taken
> by the number of users of Linux versus the 3 or 4 who actually need it.
>
> There isnt anything wrong with the patch, its just not relevant to the
> userbase as a whole and its on a regularly executed path
Would it not be possible to make this behaviour config'able, so that the
faster code-path is default, and you have to specifically choose to
compile in the loopback behaviour?!
This way, it won't lead to any overhead (apart from maybe a few hundred
bytes...)
/David Weinehall
_ _
// David Weinehall <tao@acc.umu.se> /> Northern lights wander \\
// Project MCA Linux hacker // Dance across the winter sky //
\> http://www.acc.umu.se/~tao/ </ Full colour fire </
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/