linux-kernel - Re: [RFC 2/2] timers: Make sure irq_work is handled when no pending timers

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Message-ID: <YNHpN1h5hEZdt+Au@hirez.programming.kicks-ass.net>
Date:   Tue, 22 Jun 2021 15:44:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        linux-rt-users@...r.kernel.org, frederic@...nel.org,
        mtosatti@...hat.com, LKML <linux-kernel@...r.kernel.org>,
        Jiri Olsa <jolsa@...nel.org>
Subject: Re: [RFC 2/2] timers: Make sure irq_work is handled when no pending
 timers

On Sat, Jun 19, 2021 at 12:47:04AM +0200, Thomas Gleixner wrote:
> There are two solutions:
> 
>   1) Create a IRQ_WORK softirq and raise that
> 
>   2) Simply delegate it to a workqueue

IIRC someone was looking to stick the whole thing in a kthread_worker.
Jiri, was that you?