linux-kernel - Re: [PATCH] blk-iocost: avoid 64-bit division in ioc_timer

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] [day] [month] [year] [list]

Message-Id: <167406036877.186970.284730787614510141.b4-ty@kernel.dk>
Date:   Wed, 18 Jan 2023 09:46:08 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Tejun Heo <tj@...nel.org>, Josef Bacik <josef@...icpanda.com>,
        Arnd Bergmann <arnd@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Kemeng Shi <shikemeng@...wei.com>,
        Andreas Herrmann <aherrmann@...e.de>,
        Yu Kuai <yukuai3@...wei.com>,
        Chengming Zhou <zhouchengming@...edance.com>,
        Jinke Han <hanjinke.666@...edance.com>,
        cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-iocost: avoid 64-bit division in ioc_timer_fn


On Wed, 18 Jan 2023 09:07:01 +0100, Arnd Bergmann wrote:
> The behavior of 'enum' types has changed in gcc-13, so now the
> UNBUSY_THR_PCT constant is interpreted as a 64-bit number because
> it is defined as part of the same enum definition as some other
> constants that do not fit within a 32-bit integer. This in turn
> leads to some inefficient code on 32-bit architectures as well
> as a link error:
> 
> [...]

Applied, thanks!

[1/1] blk-iocost: avoid 64-bit division in ioc_timer_fn
      commit: 08a39c820686f87351b21c6cf6af76a40677d3af

Best regards,
-- 
Jens Axboe