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Date:      Mon, 21 Nov 2011 00:12:32 -0500
From:      Ben Kaduk <minimarmot@gmail.com>
To:        Lawrence Stewart <lstewart@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r227778 - head/sys/net
Message-ID:  <CAK2BMK4DP=japDufnbMUgqMgmL7rRye4wMrwqzHePyreNwiu-Q@mail.gmail.com>
In-Reply-To: <201111210417.pAL4HOdi023556@svn.freebsd.org>
References:  <201111210417.pAL4HOdi023556@svn.freebsd.org>

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On Sun, Nov 20, 2011 at 11:17 PM, Lawrence Stewart <lstewart@freebsd.org> w=
rote:
> Author: lstewart
> Date: Mon Nov 21 04:17:24 2011
> New Revision: 227778
> URL: http://svn.freebsd.org/changeset/base/227778
>
> Log:
> =A0- When feed-forward clock support is compiled in, change the BPF heade=
r to
> =A0 =A0contain both a regular timestamp obtained from the system clock an=
d the
> =A0 =A0current feed-forward ffcounter value. This enables new possibiliti=
es including

Is it really necessary to make the ABI dependent on a kernel
configuration option?  This causes all sorts of headaches if loadable
modules ever want to use that ABI, something that we just ran into
with vm_page_t and friends and had a long thread on -current about.

-Ben Kaduk



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