linux-kernel - Re: [PATCH v4 0/8] bits: Fixed-type GENMASK()/BIT()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <877c53xycc.fsf@intel.com>
Date: Wed, 05 Mar 2025 17:59:31 +0200
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Vincent Mailhol <mailhol.vincent@...adoo.fr>, Yury Norov
 <yury.norov@...il.com>, Lucas De Marchi <lucas.demarchi@...el.com>, Rasmus
 Villemoes <linux@...musvillemoes.dk>, Joonas Lahtinen
 <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>,
 Tvrtko Ursulin <tursulin@...ulin.net>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
 dri-devel@...ts.freedesktop.org, Andi Shyti <andi.shyti@...ux.intel.com>,
 David Laight <David.Laight@...LAB.COM>, Dmitry Baryshkov
 <dmitry.baryshkov@...aro.org>, Andy Shevchenko
 <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v4 0/8] bits: Fixed-type GENMASK()/BIT()

On Wed, 05 Mar 2025, Vincent Mailhol via B4 Relay <devnull+mailhol.vincent.wanadoo.fr@...nel.org> wrote:
> Introduce some fixed width variant of the GENMASK() and the BIT()
> macros in bits.h. Note that the main goal is not to get the correct
> type, but rather to enforce more checks at compile time. For example:
>
>   GENMASK_U16(16, 0)
>
> will raise a build bug.
>
> This series is a continuation of:
>
>   https://lore.kernel.org/intel-xe/20240208074521.577076-1-lucas.demarchi@intel.com
>
> from Lucas De Marchi. Above series is one year old. I really think
> that this was a good idea and I do not want this series to die. So I
> am volunteering to revive it.

Thanks for picking this up. My acks in the patches still stand.

BR,
Jani.


-- 
Jani Nikula, Intel