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Date:   Wed, 22 Nov 2023 10:36:23 -0300
From:   "Luis Claudio R. Goncalves" <lgoncalv@redhat.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-rt-users <linux-rt-users@vger.kernel.org>,
        stable-rt <stable-rt@vger.kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Carsten Emde <C.Emde@osadl.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Daniel Wagner <daniel.wagner@suse.com>,
        Tom Zanussi <tom.zanussi@linux.intel.com>,
        Clark Williams <williams@redhat.com>,
        Mark Gross <markgross@kernel.org>,
        Pavel Machek <pavel@denx.de>,
        Jeff Brady <jeffreyjbrady@gmail.com>
Subject: Re: [ANNOUNCE] 5.10.201-rt98
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On Tue, Nov 21, 2023 at 10:01:25PM -0300, Luis Claudio R. Goncalves wrote:
> Hello RT-list!
> 
> I'm pleased to announce the 5.10.201-rt98 stable release.
> 
> This release is just an update to the new stable 5.10.201
> version and no RT changes have been made.
> 
> You can get this release via the git tree at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git
> 
>   branch: v5.10-rt
>   Head SHA1: 3a93f0a0d49dd0db4c6876ca9a7369350e64320e

Greg KH,

While testing v5.10.201-rt98 I stumbled over this warning:

    [ 1000.312397] run blktests nvme/005 at 2023-11-21 21:46:30
    ...
    [ 1000.500478] workqueue: WQ_MEM_RECLAIM nvmet_tcp_wq:nvmet_tcp_io_work [nvmet_tcp] is flushing !WQ_MEM_RECLAIM events:0x0
    [ 1000.500490] WARNING: CPU: 0 PID: 6 at kernel/workqueue.c:2620 check_flush_dependency+0x11f/0x140

That seems to be fixed by:

    533d2e8b4d5e4 nvmet-tcp: fix lockdep complaint on nvmet_tcp_wq flush during queue teardown
        (and depending on what else is backported)
        ddd2b8de9f85b nvmet: fix workqueue MEM_RECLAIM flushing dependency

Is this something that can be added to your v5.10 queue or should I carry
this fix on v5.10-rt in the meantime?

Thank you in advance!
Luis

> Or to build 5.10.201-rt98 directly, the following patches should be applied:
> 
>   https://www.kernel.org/pub/linux/kernel/v5.x/linux-5.10.tar.xz
> 
>   https://www.kernel.org/pub/linux/kernel/v5.x/patch-5.10.201.xz
> 
>   https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patch-5.10.201-rt98.patch.xz
> 
> Signing key fingerprint:
> 
>   9354 0649 9972 8D31 D464  D140 F394 A423 F8E6 7C26
> 
> All keys used for the above files and repositories can be found on the
> following git repository:
> 
>    git://git.kernel.org/pub/scm/docs/kernel/pgpkeys.git
> 
> Enjoy!
> Luis
> 
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