linux-kernel - Re: [PATCH v5 1/4] uapi: Provide DIV_ROUND

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: <9abe64bb-a398-4e8e-ac7e-397fee0eded5@collabora.com>
Date: Tue, 27 Jan 2026 13:35:27 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Sandy Huang <hjc@...k-chips.com>, Heiko Stübner
 <heiko@...ech.de>, Andy Yan <andy.yan@...k-chips.com>,
 Louis Chauvet <louis.chauvet@...tlin.com>,
 Haneen Mohammed <hamohammed.sa@...il.com>,
 Melissa Wen <melissa.srw@...il.com>
Cc: Robert Mader <robert.mader@...labora.com>, kernel@...labora.com,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 Nícolas F. R. A. Prado <nfraprado@...labora.com>,
 Diederik de Haas <diederik@...ow-tech.com>
Subject: Re: [PATCH v5 1/4] uapi: Provide DIV_ROUND_CLOSEST()

Il 27/01/26 09:45, Cristian Ciocaltea ha scritto:
> Currently DIV_ROUND_CLOSEST() is only available for the kernel via
> include/linux/math.h.
> 
> Expose it to userland as well by adding __KERNEL_DIV_ROUND_CLOSEST() as
> a common definition in uapi.
> 
> Additionally, ensure it allows building ISO C applications by switching
> from the 'typeof' GNU extension to the ISO-friendly __typeof__.
> 
> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> Tested-by: Diederik de Haas <diederik@...ow-tech.com>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>