linux-kernel - Re: [ANNOUNCE] 3.14-rt1

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: <1398869686.26071.151.camel@marge.simpson.net>
Date:	Wed, 30 Apr 2014 16:54:46 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Nicholas Mc Guire <der.herr@...r.at>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	John Kacur <jkacur@...hat.com>,
	Clark Williams <williams@...hat.com>
Subject: Re: [ANNOUNCE] 3.14-rt1

On Wed, 2014-04-30 at 10:33 -0400, Steven Rostedt wrote: 
> On Wed, 30 Apr 2014 10:19:19 -0400
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > I'm testing it now. But could you please post them as regular patches.
> > They were attachments to this thread, and were not something that stood
> > out.
> 
> With your two patches, it still crashes exactly the same way. I
> probably should remove my debug just in case, but I think this box has
> another problem with it.

You killed this hunk of hotplug-light-get-online-cpus.patch

@@ -333,7 +449,7 @@ static int __ref _cpu_down(unsigned int
                /* CPU didn't die: tell everyone.  Can't complain. */
                smpboot_unpark_threads(cpu);
                cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu);
-               goto out_release;
+               goto out_cancel;
        }
        BUG_ON(cpu_online(cpu));

..and fixed this too?

Another little bug.  This hunk of patches/stomp-machine-raw-lock.patch
should be while (atomic_read(&done.nr_todo)) 

@@ -647,7 +671,7 @@ int stop_machine_from_inactive_cpu(int (
        ret = multi_cpu_stop(&msdata);

        /* Busy wait for completion. */
-       while (!completion_done(&done.completion))
+       while (!atomic_read(&done.nr_todo))
                cpu_relax();

        mutex_unlock(&stop_cpus_mutex);

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/