linux-kernel - Re: [patch-rt] hotplug, hrtimer: Migrate expired/deferred timers during cpu offline

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: <1502991470.6840.11.camel@gmx.de>
Date:   Thu, 17 Aug 2017 19:37:50 +0200
From:   Mike Galbraith <efault@....de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [patch-rt] hotplug, hrtimer: Migrate expired/deferred timers
 during cpu offline

On Thu, 2017-08-17 at 19:26 +0200, Mike Galbraith wrote:
> On Thu, 2017-08-17 at 19:17 +0200, Sebastian Andrzej Siewior wrote:
> > On 2017-08-17 18:50:42 [+0200], To Mike Galbraith wrote:
> > > __remove_hrtimer() shouldn't be required because it has been done
> > > already. It should be enough to just list_splice() one list to the
> > > other and raise the softirq afterwards.
> > 
> > Mike, can you check this please:
> 
> Yeah, will do.

BTW, with holes stopped up, 8 socket box took a hefty beating for 20
hours.  It was actually 4.12, but it's the same code, just rolled
forward.  This is hotplug code is looking pretty darn durable.

	-Mike