netdev - RE: [tcpdump-workers] Modular arithmetic

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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6026B6FE5@saturn3.aculab.com>
Date:	Mon, 10 Sep 2012 11:41:54 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Eric Dumazet" <eric.dumazet@...il.com>
Cc:	"Andi Kleen" <ak@...ux.intel.com>,
	"George Bakos" <gbakos@...inista.org>,
	<tcpdump-workers@...ts.tcpdump.org>,
	"Jay Schulist" <jschlst@...ba.org>, <netdev@...r.kernel.org>
Subject: RE: [tcpdump-workers] Modular arithmetic

> > What about the other OS - eg all the BSDs?
> > I had a vague idea that BPF was supposed to be reasonable portable.
> 
> Yes, does it mean BPF is frozen ?
> 
> Or is BSD so hard to update these days ?

Not really - but it some other places that need updating in order
to make this useful for cross-platform tools (like tcpdump).

The 'real fun (tm)' happens when NetBSD tries to run Linux binaries
that include the Linux libpcap.

	David