linux-kernel - Re: [PATCH] mailbox: bcm: Replace tasklet with threaded irq

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Message-ID: <CABb+yY381GYcfAkLuzSTvNz2yHGs4Ap7Kgwiy9r0pXGGQt+ozg@mail.gmail.com>
Date:   Thu, 14 Jan 2021 19:23:08 -0600
From:   Jassi Brar <jassisinghbrar@...il.com>
To:     Davidlohr Bueso <dave@...olabs.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] mailbox: bcm: Replace tasklet with threaded irq

On Thu, Jan 14, 2021 at 6:21 PM Davidlohr Bueso <dave@...olabs.net> wrote:
>
> Tasklets have long been deprecated as being too heavy on the system
> by running in irq context - and this is not a performance critical
> path. If a higher priority process wants to run, it must wait for
> the tasklet to finish before doing so.
>
> Use a more suitable alternative such as threaded irqs and do the
> async work in process context.
>
> Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
> ---
Please cc the author and other contributors to this file, esp when
this is vendor specific code.

thanks.