linux-kernel - Re: [PATCH] staging: fbtft/fb_ra8875: replace udelay with usleep

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: <CAHp75VeBq4rR0kqhFF=koN-Za_RdhWbzN0W7MHF4LWORsn1WAA@mail.gmail.com>
Date: Sun, 14 Sep 2025 16:16:34 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Shay Power <shaythomaspower@...il.com>
Cc: linux-kernel@...r.kernel.org, andy@...nel.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH] staging: fbtft/fb_ra8875: replace udelay with usleep_range

On Sat, Sep 13, 2025 at 11:42 PM Shay Power <shaythomaspower@...il.com> wrote:

You must provide a commit message explaining "why?".

...

> -       udelay(100);
> +       usleep_range(100, 150);

In both cases this, besides not using fsleep(), moves from atomic to
sleepable context. This is the must to be explained in the commit
message as this is the main point of the change AFAICS.

-- 
With Best Regards,
Andy Shevchenko