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/