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FUJITA TomonoriandMiguel Ojeda 880c43b185 rust: time: fix as_micros_ceil() to round correctly for negative Delta

The ceiling-division idiom `(n + d - 1) / d` only produces the
correct result when `n` is non-negative.

For example, if n = -1000 (exactly -1us), the old code computed (-1000
+ 999) / 1000 == 0 instead of -1.

For negative n, truncating division already rounds towards positive
infinity, so no bias is needed in that case.

Fixes: fae0cdc123 ("rust: time: Introduce Delta type")
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260713225235.3243480-1-tomo@flapping.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

2026-07-18 19:07:35 +02:00

bindings

rust: allow suspicious_runtime_symbol_definitions lint for Rust >= 1.98

2026-06-29 13:02:15 +02:00

helpers

Merge tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2026-06-21 13:20:19 -07:00

kernel

rust: time: fix as_micros_ceil() to round correctly for negative Delta

2026-07-18 19:07:35 +02:00

macros

rust: types: add ForLt trait for higher-ranked lifetime support