netdev - Re: [PATCH net-next v5 05/21] bitops: make BYTES_TO

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: <Zd9dYVolWW/kyngn@yury-ThinkPad>
Date: Wed, 28 Feb 2024 08:20:49 -0800
From: Yury Norov <yury.norov@...il.com>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
	Marcin Szycik <marcin.szycik@...ux.intel.com>,
	Wojciech Drewek <wojciech.drewek@...el.com>,
	Andy Shevchenko <andy@...nel.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Alexander Potapenko <glider@...gle.com>,
	Jiri Pirko <jiri@...nulli.us>, Ido Schimmel <idosch@...dia.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Simon Horman <horms@...nel.org>, linux-btrfs@...r.kernel.org,
	dm-devel@...hat.com, ntfs3@...ts.linux.dev,
	linux-s390@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH net-next v5 05/21] bitops: make BYTES_TO_BITS()
 treewide-available

On Thu, Feb 01, 2024 at 01:22:00PM +0100, Alexander Lobakin wrote:
> Avoid open-coding that simple expression each time by moving
> BYTES_TO_BITS() from the probes code to <linux/bitops.h> to export
> it to the rest of the kernel.
> Simplify the macro while at it. `BITS_PER_LONG / sizeof(long)` always
> equals to %BITS_PER_BYTE, regardless of the target architecture.
> Do the same for the tools ecosystem as well (incl. its version of
> bitops.h). The previous implementation had its implicit type of long,
> while the new one is int, so adjust the format literal accordingly in
> the perf code.
> 
> Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>

Acked-by: Yury Norov <yury.norov@...il.com>