linux-kernel - Re: [PATCH] softirq: wake up ktimer thread in softirq context

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Date:   Fri, 10 Feb 2023 07:32:26 -0800
From:   Alison Chaiken <achaiken@...ora.tech>
To:     "bigeasy@...utronix.de" <bigeasy@...utronix.de>
Cc:     "Chang, Junxiao" <junxiao.chang@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "Peh, Hock Zhang" <hock.zhang.peh@...el.com>
Subject: Re: [PATCH] softirq: wake up ktimer thread in softirq context

On Tue, Dec 20, 2022 at 10:03 AM bigeasy@...utronix.de
<bigeasy@...utronix.de> wrote:
>
> On 2022-12-20 10:44:07 [+0000], Chang, Junxiao wrote:
> > Any comment? This patch is for 6.1-rt, issue could be reproduced with 5.19-rt kernel as well.
>
> Thanks for the ping. I did see the initial email and I didn't get to it
> yet. I need to re-test, confirm and then apply.
> The ktimer patch is not in v5.15 and this is currently the latest one
> maintained by the stable team. I don't know which one will be the
> following LTS kernel but this one needs to have this addressed. The
> v5.19 is not receiving any updates.
> Given the current timing, I will look into this in January.
>
> > Regards,
> > Junxiao
>
> Sebastian

Should users of ktimers adopt Junxiao Chang's patch

https://lore.kernel.org/linux-rt-users/BN9PR11MB5370BA8A506EB8519DC879C1ECEA9@BN9PR11MB5370.namprd11.prod.outlook.com/

from 20 Dec?   It appears to be a bug fix.

Thanks,
Alison Chaiken
Aurora Innovation