From: Andreas Hindborg <a.hindborg@kernel.org>
To: Sang-Heon Jeon <ekffu200098@gmail.com>,
boqun@kernel.org, fujita.tomonori@gmail.com, frederic@kernel.org,
lyude@redhat.com, tglx@kernel.org, anna-maria@linutronix.de,
jstultz@google.com, sboyd@kernel.org
Cc: rust-for-linux@vger.kernel.org, Sang-Heon Jeon <ekffu200098@gmail.com>
Subject: Re: [PATCH] rust: time: add debug assertions for out-of-range input in fsleep()
Date: Sat, 09 May 2026 10:08:35 +0200 [thread overview]
Message-ID: <87a4u96m4c.fsf@t14s.mail-host-address-is-not-set> (raw)
In-Reply-To: <20260508173827.1123011-1-ekffu200098@gmail.com>
"Sang-Heon Jeon" <ekffu200098@gmail.com> writes:
> fsleep() documents out-of-range input as a bug but does not check
> it, unlike udelay(). Add `debug_assert!` calls to catch it in
> debug builds.
>
> Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
> ---
> Hello,
>
> I found this small inconsistency while reading the code. The same
> check was applied to udelay() [1] but does not seem to have been
> extended to fsleep(). Please let me know if I have misunderstood
> anything.
>
> [1] https://lore.kernel.org/all/20251103112958.2961517-2-fujita.tomonori@gmail.com
>
> Best Regards,
> Sang-Heon Jeon
Looks good to me. Could you add the warn_once and remove the todo as
well? And add the warn_once to udelay as well, so both functions have
same shape.
Thanks,
Andreas
next prev parent reply other threads:[~2026-05-09 8:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <qBPUAToMpl5CvVd22lUrJOgsVSuqVYKsjEHpbs1UK-VTO-vN8UFOa35fFMsYOHoBuUp9HcP65ljAxmLQMcGS9w==@protonmail.internalid>
2026-05-08 17:38 ` [PATCH] rust: time: add debug assertions for out-of-range input in fsleep() Sang-Heon Jeon
2026-05-09 6:41 ` Onur Özkan
2026-05-09 8:08 ` Andreas Hindborg [this message]
2026-05-09 12:10 ` Gary Guo
2026-05-09 14:36 ` Andreas Hindborg
2026-05-09 14:50 ` Gary Guo
2026-05-09 17:44 ` Andreas Hindborg
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