--- Shakthi Kannan <shakthimaan@xxxxxxxxx> wrote: > Hi John, > > On 10/5/06, john bogus <bogusemail98230@xxxxxxxxx> > wrote: > > Both ISR's and tasklets both run in > > interrupt context so the i2c drivers need to > accessed > > some other way. > > Which Linux kernel are you using? 2.4.20 > > What about task_queues running in schedular queue in > 2.4 Linux > kernels? They run in process context. > > http://www.xml.com/ldd/chapter/book/ch06.html#t4 > Yes, I thought about this, but won't it have the same kind of latency possibilities as the completion version (tens of milliseconds)? > > I was thinking of creating a task with > > wait_for_completion(&xxx) and having the ISR do a > > complete(&xxx) to wake the task. > > Or use kernel_thread() and sleep, and let ISR wake > it up? USB hub > thread is an example: > > http://lxr.linux.no/source/drivers/usb/hub.c?v=2.4.28#L903 this looks like it has possibilities... thanks > > SK > > -- > Shakthi Kannan > http://www.shakthimaan.com > > -- > Kernelnewbies: Help each other learn about the Linux > kernel. > Archive: > http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
