Re: [PATCH 2/9] dma: Convert from tasklet to BH workqueue

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> >> > Since almost every driver associates the tasklet with the
> >> > dma_chan, we could go one step further and add the
> >> > work_queue structure directly into struct dma_chan,
> >> > with the wrapper operating on the dma_chan rather than
> >> > the work_queue.
> >>
> >> I think that is very great idea. having this wrapped in dma_chan would
> >> be very good way as well
> >>
> >> Am not sure if Allen is up for it :-)
> >
> >  Thanks Arnd, I know we did speak about this at LPC. I did start
> > working on using completion. I dropped it as I thought it would
> > be easier to move to workqueues.
>
> It's definitely easier to do the workqueue conversion as a first
> step, and I agree adding support for the completion right away is
> probably too much. Moving the work_struct into the dma_chan
> is probably not too hard though, if you leave your current
> approach for the cases where the tasklet is part of the
> dma_dev rather than the dma_chan.
>

 Alright, I will work on moving work_struck into the dma_chan and
leave the dma_dev as is (using bh workqueues) and post a RFC.
Once reviewed, I could move to the next step.

Thank you.

- Allen




[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux