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: <CACRpkdZ6ZUp79OqtWKSR9teqRcrpX6DwmsDmRsh2yxFaX5mTZQ@mail.gmail.com>
Date: Tue, 2 Jan 2024 23:12:47 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 2/3] gpiolib: replace the GPIO device mutex with a
 read-write semaphore

On Tue, Jan 2, 2024 at 4:59 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
>
> There are only two spots where we modify (add to or remove objects from)
> the GPIO device list. Readers should be able to access it concurrently.
> Replace the mutex with a read-write semaphore and adjust the locking
> operations accordingly.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Looks correct to me.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ