On Mon, Apr 01 2024 at 22:42, Mahesh Bandewar (महेश बंडेवार) wrote: > On Mon, Apr 1, 2024 at 1:46 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: >> So if there is a backwards compability issue with PTP_SYS_OFFSET2, then >> you need to introduce PTP_SYS_OFFSET3. The PTP_SYS_*2 variants were >> introduced to avoid backwards compatibility issues as well, but >> unfortunately that did not address the reserved fields problem for >> PTP_SYS_OFFSET2. PTP_SYS_OFFSET_EXTENDED2 should just work, but maybe >> the PTP maintainers want a full extension to '3'. Either way is fine. >> > https://patchwork.kernel.org/project/netdevbpf/patch/20240104212436.3276057-1-maheshb@xxxxxxxxxx/ > > This was my attempt to solve a similar issue with the new ioctl op to > avoid backward compatibility issues. Instead of flags I used the > clockid_t in a similar fashion. Works as well. I'm not seing the point for CLOCK_MONOTONIC and the change logs are not really telling anything about the problem being solved.... Thanks, tglx