On Sun, 24 Jun 2007, Jonathan Corbet wrote:
>
> The cafe_ccic (OLPC) camera driver uses a tasklet to move frames out of
> the DMA buffers in the streaming I/O path. With this change in place,
> I'd worry that the possibility of dropping frames would increase,
> especially considering that (1) this is running on OLPC hardware, and
> (2) there is typically a streaming video application running in user
> space.
>
> Obviously some testing is called for here. I will make an attempt to do
> that testing, but the next few weeks involve some insane travel which
> will make that hard. Stay tuned.
>
Jon,
Thanks for pointing this driver out. I'd greatly appreciate any report
you give us regarding the effect of having the tasklet as a thread.
-- Steve
-
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]
