* [PATCH] rust: time: add `Delta::from_nanos`
@ 2026-02-15 20:12 Andreas Hindborg
2026-02-16 8:33 ` Alice Ryhl
0 siblings, 1 reply; 3+ messages in thread
From: Andreas Hindborg @ 2026-02-15 20:12 UTC (permalink / raw)
To: Boqun Feng, FUJITA Tomonori, Frederic Weisbecker, Lyude Paul,
Thomas Gleixner, Anna-Maria Behnsen, John Stultz, Stephen Boyd,
Miguel Ojeda, Gary Guo, Björn Roy Baron, Benno Lossin,
Alice Ryhl, Trevor Gross, Danilo Krummrich
Cc: rust-for-linux, linux-kernel, Andreas Hindborg
Add a method to create a `Delta` from an amount of nanoseconds.
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
---
rust/kernel/time.rs | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs
index 6ea98dfcd0278..2b096e5a61cda 100644
--- a/rust/kernel/time.rs
+++ b/rust/kernel/time.rs
@@ -363,6 +363,12 @@ impl Delta {
/// A span of time equal to zero.
pub const ZERO: Self = Self { nanos: 0 };
+ /// Create a new [`Delta`] from a number of nanoseconds.
+ #[inline]
+ pub const fn from_nanos(nanos: i64) -> Self {
+ Self { nanos }
+ }
+
/// Create a new [`Delta`] from a number of microseconds.
///
/// The `micros` can range from -9_223_372_036_854_775 to 9_223_372_036_854_775.
---
base-commit: 05f7e89ab9731565d8a62e3b5d1ec206485eeb0b
change-id: 20260215-time-from-nanos-86f8b10be4a2
Best regards,
--
Andreas Hindborg <a.hindborg@kernel.org>
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] rust: time: add `Delta::from_nanos`
2026-02-15 20:12 [PATCH] rust: time: add `Delta::from_nanos` Andreas Hindborg
@ 2026-02-16 8:33 ` Alice Ryhl
2026-02-16 13:38 ` Andreas Hindborg
0 siblings, 1 reply; 3+ messages in thread
From: Alice Ryhl @ 2026-02-16 8:33 UTC (permalink / raw)
To: Andreas Hindborg
Cc: Boqun Feng, FUJITA Tomonori, Frederic Weisbecker, Lyude Paul,
Thomas Gleixner, Anna-Maria Behnsen, John Stultz, Stephen Boyd,
Miguel Ojeda, Gary Guo, Björn Roy Baron, Benno Lossin,
Trevor Gross, Danilo Krummrich, rust-for-linux, linux-kernel
On Sun, Feb 15, 2026 at 09:12:04PM +0100, Andreas Hindborg wrote:
> Add a method to create a `Delta` from an amount of nanoseconds.
>
> Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
The change itself LGTM, but what is this for?
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] rust: time: add `Delta::from_nanos`
2026-02-16 8:33 ` Alice Ryhl
@ 2026-02-16 13:38 ` Andreas Hindborg
0 siblings, 0 replies; 3+ messages in thread
From: Andreas Hindborg @ 2026-02-16 13:38 UTC (permalink / raw)
To: Alice Ryhl
Cc: Boqun Feng, FUJITA Tomonori, Frederic Weisbecker, Lyude Paul,
Thomas Gleixner, Anna-Maria Behnsen, John Stultz, Stephen Boyd,
Miguel Ojeda, Gary Guo, Björn Roy Baron, Benno Lossin,
Trevor Gross, Danilo Krummrich, rust-for-linux, linux-kernel
"Alice Ryhl" <aliceryhl@google.com> writes:
> On Sun, Feb 15, 2026 at 09:12:04PM +0100, Andreas Hindborg wrote:
>> Add a method to create a `Delta` from an amount of nanoseconds.
>>
>> Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
>
> The change itself LGTM, but what is this for?
There is a few uses in the rust null block series. For compatibility
reasons, some config options are given as nano seconds [1].
>
> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Thanks.
Best regards,
Andreas Hindborg
[1] https://lore.kernel.org/r/20260216-rnull-v6-19-rc5-send-v1-8-de9a7af4b469@kernel.org
^ permalink raw reply [flat|nested] 3+ messages in thread
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