From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Yury Norov <ynorov@nvidia.com>
Cc: Yury Norov <yury.norov@gmail.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Eric Biggers <ebiggers@kernel.org>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Ard Biesheuvel <ardb@kernel.org>,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH v2] lib: crypto: fix comments for count_leading_zeros()
Date: Thu, 12 Mar 2026 18:17:48 +0200 [thread overview]
Message-ID: <abLnLIRf6z8nh_Pu@ashevche-desk.local> (raw)
In-Reply-To: <20260312161133.249374-1-ynorov@nvidia.com>
On Thu, Mar 12, 2026 at 12:11:32PM -0400, Yury Norov wrote:
> count_leading_zeros() is based on fls(), which is defined for x == 0,
> contrary to ffs() family. The comment in crypto/mpi erroneously states
> that the function may return undef in such case.
>
> Fix the comment together with the outdated function signature, and now
> that COUNT_LEADING_ZEROS_0 is not referenced in the codebase, get rid of
> it too.
FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-03-12 16:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 16:11 Yury Norov
2026-03-12 16:17 ` Andy Shevchenko [this message]
2026-03-12 16:34 ` Yury Norov
2026-03-12 21:55 ` Eric Biggers
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