linux-kernel - Re: [PATCH] lib/klist: Remove mb() before wake_up

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: <YqiiC+4xES0DoV7X@kroah.com>
Date:   Tue, 14 Jun 2022 16:58:19 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     wuchi <wuchi.zero@...il.com>
Cc:     alexios.zavras@...el.com, allison@...utok.net, armijn@...ldur.nl,
        akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lib/klist: Remove mb() before wake_up_process

On Tue, Jun 14, 2022 at 10:44:43PM +0800, wuchi wrote:
> Function wake_up_process always executes a general memory barrier,
> so remove the mb() before it.

Really?  On all systems?  I do not see that, where does it happen?

> Signed-off-by: wuchi <wuchi.zero@...il.com>

We need a "real name" for commits.

How did you test this patch?

thanks,

greg k-h