> >> > 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 g
> > > >
> > > > Fair point. Could you please let me know once you have had a chance
> > > > to test
> > > > these changes. Meanwhile, I will work on RFC wherein IPMI will have its
> > > > own
> > > > workqueue.
> > > >
> > > > Thanks for taking time out to review.
> > >
> > > After looking and
On Thu, Mar 28, 2024 at 12:41:22PM -0700, Allen wrote:
> > > > I believe that work queues items are execute single-threaded for a work
> > > > queue, so this should be good. I need to test this, though. It may be
> > > > that an IPMI device can have its own work queue; it may not be important
> >
On Thu, Mar 28, 2024, at 20:39, Allen wrote:
>> >
>> > 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
> > > I believe that work queues items are execute single-threaded for a work
> > > queue, so this should be good. I need to test this, though. It may be
> > > that an IPMI device can have its own work queue; it may not be important
> > > to run it in bh context.
> >
> > Fair point. Could you p
> > >> The only generic interface to execute asynchronously in the BH context is
> > >> tasklet; however, it's marked deprecated and has some design flaws. To
> > >> replace tasklets, BH workqueue support was recently added. A BH workqueue
> > >> behaves similarly to regular workqueues except that
On Thu, Mar 28, 2024 at 10:52:16AM -0700, Allen wrote:
> On Wed, Mar 27, 2024 at 11:05 AM Corey Minyard wrote:
> >
> > I believe that work queues items are execute single-threaded for a work
> > queue, so this should be good. I need to test this, though. It may be
> > that an IPMI device can hav
On 28-03-24, 11:08, Arnd Bergmann wrote:
> On Thu, Mar 28, 2024, at 06:55, Vinod Koul wrote:
> > On 27-03-24, 16:03, Allen Pais wrote:
> >> The only generic interface to execute asynchronously in the BH context is
> >> tasklet; however, it's marked deprecated and has some design flaws. To
> >> repl
> >
> > This patch converts drivers/infiniband/* from tasklet to BH workqueue.
> >
> > Based on the work done by Tejun Heo
> > Branch: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-6.10
> >
> > Signed-off-by: Allen Pais
> > ---
>
> > diff --git a/drivers/usb/core/hcd.c b/drivers/u
On Wed, Mar 27, 2024 at 11:05 AM Corey Minyard wrote:
>
> On Wed, Mar 27, 2024 at 04:03:11PM +, Allen Pais wrote:
> > The only generic interface to execute asynchronously in the BH context is
> > tasklet; however, it's marked deprecated and has some design flaws. To
> > replace tasklets, BH wo
>
> Subsytem is dmaengine, can you rename this to dmaengine: ...
My apologies, will have it fixed in v2.
>
> On 27-03-24, 16:03, Allen Pais wrote:
> > The only generic interface to execute asynchronously in the BH context is
> > tasklet; however, it's marked deprecated and has some design flaws.
On Thu, Mar 28, 2024 at 3:16 AM Christian Loehle
wrote:
>
> On 27/03/2024 16:03, Allen Pais wrote:
> > The only generic interface to execute asynchronously in the BH context is
> > tasklet; however, it's marked deprecated and has some design flaws. To
> > replace tasklets, BH workqueue support was
Hello,
On Thu, Mar 28, 2024 at 01:53:25PM +0100, Ulf Hansson wrote:
> At this point we have suggested to drivers to switch to use threaded
> irq handlers (and regular work queues if needed too). That said,
> what's the benefit of using the BH work queue?
BH workqueues should behave about the same
On Thu, Mar 28, 2024 at 1:54 PM Ulf Hansson wrote:
> At this point we have suggested to drivers to switch to use threaded
> irq handlers (and regular work queues if needed too). That said,
> what's the benefit of using the BH work queue?
Context:
https://lwn.net/Articles/960041/
"Tasklets, in pa
On Wed, 27 Mar 2024 at 17:03, Allen Pais wrote:
>
> The only generic interface to execute asynchronously in the BH context is
> tasklet; however, it's marked deprecated and has some design flaws. To
> replace tasklets, BH workqueue support was recently added. A BH workqueue
> behaves similarly to
On 27/03/2024 16:03, Allen Pais wrote:
> The only generic interface to execute asynchronously in the BH context is
> tasklet; however, it's marked deprecated and has some design flaws. To
> replace tasklets, BH workqueue support was recently added. A BH workqueue
> behaves similarly to regular work
On Thu, Mar 28, 2024, at 06:55, Vinod Koul wrote:
> On 27-03-24, 16:03, Allen Pais wrote:
>> The only generic interface to execute asynchronously in the BH context is
>> tasklet; however, it's marked deprecated and has some design flaws. To
>> replace tasklets, BH workqueue support was recently add
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