From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Cochran <richardcochran@gmail.com>
Subject: Re: [patch 4/5] PTP: add PTP_SYS_OFFSET emulation via cross
 timestamps infrastructure
Date: Tue, 24 Jan 2017 06:32:43 +0100
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Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Paolo Bonzini <pbonzini@redhat.com>,
        Radim Krcmar <rkrcmar@redhat.com>,
        Miroslav Lichvar <mlichvar@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
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On Mon, Jan 23, 2017 at 09:06:20PM -0200, Marcelo Tosatti wrote:
> Can you please describe what problem exists with this scheme?

This new kernel code exists just because chrony doesn't implement the
PRECISE ioctl.  Instead of adding new "fake" modes, just teach chrony
about the better method.

I prefer to have kernel interfaces whose behavior is clear and
consistent.

Thanks,
Richard