Re: [RFC 1/1] drivers/dma/*: replace tasklets with workqueue

[Linus Walleij]

On Tue, Apr 19, 2022 at 11:17 PM Allen Pais <apais@xxxxxxxxxxxxxxxxxxx> wrote:

> The tasklet is an old API which will be deprecated, workqueue API
> cab be used instead of them.
>
> This patch replaces the tasklet usage in drivers/dma/* with a
> simple work.
>
> Github: https://github.com/KSPP/linux/issues/94
>
> Signed-off-by: Allen Pais <apais@xxxxxxxxxxxxxxxxxxx>

Paging Vincent Guittot and Arnd Bergmann on the following question
on this patch set:

- Will replacing tasklets with workque like this negatively impact the
  performance on DMA engine bottom halves?

For reference:
https://lore.kernel.org/dmaengine/YoI4J8taHehMpjFj@matsya/

Yours,
Linus Walleij