On Mon, May 02, 2011 at 11:32:32AM -0700, Abu Rasheda wrote: > I am testing my driver on much faster host processor and facing > following issues: > > My host is too powerful and it can fill up device buffer queue very fast. What kind of device is this? > I get best performance when I do busy wait, but this is not desirable > and is bad design. > > I need to sleep and wake up quickly and predictability. Indication > from device that queue has space, is coming in form of memory write > (device writes to a memory location of i86 processor). > > I tried using wait_event_interruptible_timeout, I am depending on 2nd > parameter of the function but it wake up is too slow, even tried using > value of 1. Why not try increasing the buffer in your driver to handle any amount of data needed? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
