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Date:   Wed, 6 Dec 2023 17:39:45 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Boqun Feng <boqun.feng@gmail.com>
Cc:     Alice Ryhl <aliceryhl@google.com>, Miguel Ojeda <ojeda@kernel.org>,
        Alex Gaynor <alex.gaynor@gmail.com>,
        Wedson Almeida Filho <wedsonaf@gmail.com>,
        Gary Guo <gary@garyguo.net>,
        =?iso-8859-1?Q?Bj=F6rn?= Roy Baron <bjorn3_gh@protonmail.com>,
        Benno Lossin <benno.lossin@proton.me>,
        Andreas Hindborg <a.hindborg@samsung.com>,
        Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
        Waiman Long <longman@redhat.com>,
        rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] rust: sync: add `CondVar::wait_timeout`
Message-ID: <20231206163945.GC36423@noisy.programming.kicks-ass.net>
References: <20231206-rb-new-condvar-methods-v1-0-33a4cab7fdaa@google.com>
 <20231206-rb-new-condvar-methods-v1-2-33a4cab7fdaa@google.com>
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On Wed, Dec 06, 2023 at 08:30:06AM -0800, Boqun Feng wrote:
> On Wed, Dec 06, 2023 at 10:09:24AM +0000, Alice Ryhl wrote:
> [...]
> > +
> > +/// The return type of `wait_timeout`.
> > +pub enum CondVarTimeoutResult {
> > +    /// The timeout was reached.
> > +    Timeout,
> > +    /// Somebody woke us up.
> > +    Woken {
> > +        /// Remaining sleep duration.
> > +        jiffies: u64,
> 
> I have a Jiffies definition in the my upcoming timer patchset:
> 
> /// The time unit of Linux kernel. One jiffy equals (1/HZ) second.
> pub type Jiffies = core::ffi::c_ulong;
> 
> Maybe you can add that (in a separate patch) in kernel::time?

Urgh, why are we using jiffies in 2023?