> > > 2) have maybe a kernel thread that takes care of that an have my interrupt > > > handler just wake up the thread? > > > > Sounds good. > > Is this better than doing the copying in the bottom halves? It really should'nt be done in the irq handler with interrupts disabled. There is more than one way to handle this. A kernel thread one of them. bh handler or tasklets are others. Gerd -- Get back there in front of the computer NOW. Christmas can wait. -- Linus "the Grinch" Torvalds, 24 Dec 2000 on linux-kernel