# Re: \[PATCH 10/24\] timekeeping: Add system\_counterval\_t to struct system\_device\_crosststamp

- From: David Woodhouse \<dwmw2@infradead.org\>
- Date: 2026-05-26 23:45:56 
- List: virtualization
- Page: https://ratatoskr.run/virtualization/2026/05/17033765
- Thread: https://ratatoskr.run/kvmarm/2026/05/17032577/t.md

```text
On Tue, 26 May 2026 19:14:18 +0200, Thomas Gleixner wrote:
> An upcoming extension to the PTP IOCTL requires to return the system counter
> value and the clocksource ID to user space. get_device_system_crosststamp() has
> this information already.
>
> Extend struct system_device_crosststamp with a system_counterval_t member
> and fill in the data.
>
> Signed-off-by: Thomas Gleixner <tglx@kernel.org>

Reviewed-by: David Woodhouse <redacted>
Tested-by: David Woodhouse <redacted>

```

## Attachments

- [smime.p7s](https://ratatoskr.run/virtualization/2026/05/17033765/attachment/0) (application/pkcs7-signature, 5069 bytes)