On Tue 04-07-06 10:50:40, Thomas Tuttle wrote:
> On July 04 at 04:50 EDT, Pavel Machek hastily scribbled:
> > I _guess_ the LED subsystem can be called from interrupt, and ACPI
> > does not like that. So you probably need to use workqueue to defer
> > setting a bit.
>
> Ew, I would personally think that the LED subsystem should do this
> itself...
That would make LEDs factor 10000 or so slower on reasonable
platforms, sorry. But having flag 'this led needs process context'
might be god thing. Patch welcome.
> Anyway, can you give me a pointer on how to do this? I've never used
> workqueues before. (I've coded a grand total of about 40 lines of
> kernel code, and only about 20 work.)
grep is your friend, or some kernel programming intro.I do not have
any example near. Or maybe kernelnewbies.org.
--
Thanks for all the (sleeping) penguins.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
