Thread (14 messages) 14 messages, 4 authors, 2013-01-02

Re: [PATCH net-next 0/8] Add complementary BPF conditional jump instructions

From: David Miller <davem@davemloft.net>
Date: 2013-01-01 05:18:05

From: Eric Dumazet <redacted>
Date: Mon, 31 Dec 2012 19:29:02 -0800
On Mon, 2012-12-31 at 14:37 -0800, David Miller wrote:
quoted
Whilst I agree that adding NE jumps adds great value and closes a
serious gap, the rest can be synthesized by simply swapping the
arguments and using a comparison that does already exist.

Why isn't that sufficient?
I am afraid none of these patches is needed at all.

Swapping the jt/jf is plainly enough for the user land compiler.

libcap seems to do it already
Agreed.
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