Re: [RFC PATCH v4] ptp: Add vDSO-style vmclock support
David Woodhouse <[email protected]> Wed, 17 Jul 2024 09:14:10 +0100
| Newsgroups | dev.linux.lists.virtio-dev,dev.linux.lists.virtualization,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rtc,org.kernel.vger.netdev,org.nongnu.qemu-devel |
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| Message-ID | <[email protected]> |
On Tue, 2024-07-16 at 13:54 +0200, Peter Hilber wrote: > On 08.07.24 11:27, David Woodhouse wrote: > > + > > + /* > > + * Time according to time_type field above. > > + */ > > + uint64_t time_sec; /* Seconds since time_type epoch */ > > + uint64_t time_frac_sec; /* (seconds >> 64) */ > > + uint64_t time_esterror_picosec; /* (± picoseconds) */ > > + uint64_t time_maxerror_picosec; /* (± picoseconds) */ > > Is this unsigned or signed? The field itself is unsigned, as it provides the absolute value of the error (which can be in either direction). Probably better just to drop the ± from the comment. Julien is now back from vacation and I'm expecting to see his opinion on whether we can change that to nanoseconds for consistency.
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