On Fri, Jan 31, 2025 at 06:29:23PM +0000, Wojtek Wasko wrote:
Udev sets strict 600 permissions on /dev/ptp* devices, preventing
Udev is user space, isn't it?
unprivileged users from accessing the time [1]. This patch enables
more granular permissions and allows readonly access to the PTP clocks.
Add permission checking for ioctls which modify the state of device.
Notably, require WRITE for polling as it is only used for later reading
timestamps from the queue (there is no peek support). POSIX clock
operations (settime, adjtime) are checked in the POSIX layer.
This change log is not comprehensible.
A proper change log has three parts:
1. context
2. problem (What is the issue?)
3. solution (How does the patch address the issue?)
Thanks,
Richard