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  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]
Date:   Fri, 22 Mar 2019 18:59:24 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Tejun Heo <tj@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/2] workqueue: Use normal rcu

On 2019-03-22 10:43:34 [-0700], Tejun Heo wrote:
> Hello,
Hi,

> We can switch but it doesn't really say why we'd want to.  Can you
> please explain why this is better?

there is this undocumented part. Avoiding the sched RCU means also we
are more preemptible which is good :) Especially on -RT where we can't
disable preemption across the whole critical section.

Is this good enough?

> Thanks.

Sebastian

Powered by blists - more mailing lists