From: Thomas Gleixner <tglx@linutronix.de>
To: Andreas Hindborg <a.hindborg@kernel.org>,
Miguel Ojeda <ojeda@kernel.org>,
Anna-Maria Behnsen <anna-maria@linutronix.de>,
Frederic Weisbecker <frederic@kernel.org>,
Danilo Krummrich <dakr@kernel.org>
Cc: "Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Lyude Paul" <lyude@redhat.com>,
"Guangbo Cui" <2407018371@qq.com>,
"Dirk Behme" <dirk.behme@gmail.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Tamir Duberstein" <tamird@gmail.com>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
"Andreas Hindborg" <a.hindborg@kernel.org>
Subject: Re: [PATCH v9 12/13] rust: hrtimer: add clocksource selection through `ClockSource`
Date: Thu, 27 Feb 2025 10:24:09 +0100 [thread overview]
Message-ID: <87eczjeo5i.ffs@tglx> (raw)
In-Reply-To: <87jz9beor7.ffs@tglx>
On Thu, Feb 27 2025 at 10:11, Thomas Gleixner wrote:
> On Mon, Feb 24 2025 at 13:03, Andreas Hindborg wrote:
>> + /// International Atomic Time.
>> + ///
>> + /// A nonsettable system-wide clock derived from wall-clock time but
>> + /// counting leap seconds. This clock does not experience discontinuities or
>> + /// frequency adjustments caused by inserting leap seconds as CLOCK_REALTIME
>> + /// does.
>
> Only partially correct.
>
> CLOCK_TAI can be set as CLOCK_TAI is obviously coupled to CLOCK_REALTIME
> and vice versa.
For clarification:
CLOCK_REALTIME (UTC) = CLOCK_TAI - sum(leap seconds since the epoch)
As of today thats 37 seconds.
Thanks,
tglx
next prev parent reply other threads:[~2025-02-27 9:24 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 12:03 [PATCH v9 00/13] hrtimer Rust API Andreas Hindborg
2025-02-24 12:03 ` [PATCH v9 01/13] rust: hrtimer: introduce hrtimer support Andreas Hindborg
2025-02-24 13:19 ` Andreas Hindborg
2025-02-24 15:46 ` Boqun Feng
2025-02-24 16:23 ` Miguel Ojeda
2025-02-24 16:31 ` Boqun Feng
2025-02-24 16:45 ` Miguel Ojeda
2025-02-24 17:01 ` Boqun Feng
2025-02-24 18:58 ` Andreas Hindborg
2025-02-24 19:18 ` Boqun Feng
2025-02-24 19:52 ` Andreas Hindborg
2025-02-24 20:22 ` Boqun Feng
2025-02-25 5:50 ` Andreas Hindborg
2025-02-26 16:31 ` Frederic Weisbecker
2025-02-26 19:41 ` Andreas Hindborg
2025-02-24 20:04 ` Tamir Duberstein
2025-02-25 8:52 ` Andreas Hindborg
2025-02-25 15:37 ` Tamir Duberstein
2025-02-25 19:12 ` Andreas Hindborg
2025-02-25 20:13 ` Tamir Duberstein
2025-02-26 11:48 ` Andreas Hindborg
2025-02-26 15:29 ` Tamir Duberstein
2025-03-07 9:09 ` Andreas Hindborg
2025-02-25 11:36 ` Markus Elfring
2025-02-25 12:13 ` Andreas Hindborg
2025-02-27 8:31 ` Thomas Gleixner
2025-02-27 10:44 ` Andreas Hindborg
2025-02-24 12:03 ` [PATCH v9 02/13] rust: sync: add `Arc::as_ptr` Andreas Hindborg
2025-02-24 12:03 ` [PATCH v9 03/13] rust: hrtimer: implement `HrTimerPointer` for `Arc` Andreas Hindborg
2025-02-24 23:13 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 04/13] rust: hrtimer: allow timer restart from timer handler Andreas Hindborg
2025-02-24 23:23 ` Lyude Paul
2025-02-25 8:58 ` Andreas Hindborg
2025-02-25 21:46 ` Lyude Paul
2025-02-26 13:43 ` Andreas Hindborg
2025-02-26 19:26 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 05/13] rust: hrtimer: add `UnsafeHrTimerPointer` Andreas Hindborg
2025-02-24 23:24 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 06/13] rust: hrtimer: add `hrtimer::ScopedHrTimerPointer` Andreas Hindborg
2025-02-24 23:25 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 07/13] rust: hrtimer: implement `UnsafeHrTimerPointer` for `Pin<&T>` Andreas Hindborg
2025-02-24 23:32 ` Lyude Paul
2025-02-25 9:01 ` Andreas Hindborg
2025-02-24 12:03 ` [PATCH v9 08/13] rust: hrtimer: implement `UnsafeHrTimerPointer` for `Pin<&mut T>` Andreas Hindborg
2025-02-24 23:33 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 09/13] rust: alloc: add `Box::into_pin` Andreas Hindborg
2025-02-24 23:34 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 10/13] rust: hrtimer: implement `HrTimerPointer` for `Pin<Box<T>>` Andreas Hindborg
2025-02-24 23:37 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 11/13] rust: hrtimer: add `HrTimerMode` Andreas Hindborg
2025-02-24 23:40 ` Lyude Paul
2025-02-25 9:04 ` Andreas Hindborg
2025-02-25 21:49 ` Lyude Paul
2025-02-24 12:03 ` [PATCH v9 12/13] rust: hrtimer: add clocksource selection through `ClockSource` Andreas Hindborg
2025-02-24 23:42 ` Lyude Paul
2025-02-27 9:11 ` Thomas Gleixner
2025-02-27 9:24 ` Thomas Gleixner [this message]
2025-02-27 11:18 ` Andreas Hindborg
2025-02-27 14:22 ` Thomas Gleixner
2025-02-27 16:03 ` Andreas Hindborg
2025-02-24 12:03 ` [PATCH v9 13/13] rust: hrtimer: add maintainer entry Andreas Hindborg
2025-02-24 15:44 ` Boqun Feng
2025-02-26 16:17 ` Frederic Weisbecker
2025-02-26 19:42 ` Andreas Hindborg
2025-02-26 19:49 ` Lyude Paul
2025-02-26 21:08 ` Andreas Hindborg
2025-02-27 9:12 ` Thomas Gleixner
2025-02-27 10:45 ` Andreas Hindborg
2025-02-24 23:43 ` Lyude Paul
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87eczjeo5i.ffs@tglx \
--to=tglx@linutronix.de \
--cc=2407018371@qq.com \
--cc=a.hindborg@kernel.org \
--cc=alex.gaynor@gmail.com \
--cc=aliceryhl@google.com \
--cc=anna-maria@linutronix.de \
--cc=benno.lossin@proton.me \
--cc=bjorn3_gh@protonmail.com \
--cc=boqun.feng@gmail.com \
--cc=dakr@kernel.org \
--cc=daniel.almeida@collabora.com \
--cc=dirk.behme@gmail.com \
--cc=frederic@kernel.org \
--cc=gary@garyguo.net \
--cc=linux-kernel@vger.kernel.org \
--cc=lyude@redhat.com \
--cc=ojeda@kernel.org \
--cc=rust-for-linux@vger.kernel.org \
--cc=tamird@gmail.com \
--cc=tmgross@umich.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.