linux-kernel - Re: [PATCH 4.14 29/45] cgroup/cpuset: remove circular dependency deadlock

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Message-ID: <20181012110511.GB26625@kroah.com>
Date:   Fri, 12 Oct 2018 13:05:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Amit Pundir <amit.pundir@...aro.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Stable <stable@...r.kernel.org>, prsood@...eaurora.org,
        Tejun Heo <tj@...nel.org>, amit.pundir@...aro.org
Subject: Re: [PATCH 4.14 29/45] cgroup/cpuset: remove circular dependency
 deadlock

On Thu, Oct 11, 2018 at 08:33:34PM +0100, Sudip Mukherjee wrote:
> Hi Greg,
> 
> On Thu, Oct 11, 2018 at 4:54 PM Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > 4.14-stable review patch.  If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: Prateek Sood <prsood@...eaurora.org>
> >
> > commit aa24163b2ee5c92120e32e99b5a93143a0f4258e upstream.
> 
> This has been already reverted in upstream.
> bdfbbda90aeb ("Revert "cgroup/cpuset: remove circular dependency deadlock"")
> 
> Might be better to add e8b3f8db7aad ("workqueue/hotplug: simplify
> workqueue_offline_cpu()") instead which is mentioned in the revert
> commit.

Good point.  I'm dropping this patch for now.

Amit, can you test the above patch instead and figure out why you wanted
to add a patch to the tree that ended up being reverted?  :)

thanks,

greg k-h

> 
> -- 
> Regards
> Sudip