On Sun, 21 Apr 2013 16:24:18 +0100 Piotras <piot...@gmail.com> wrote:
> >> Not sure if FIFO overruns are really an issue and how to prevent them. > >> Maybe RX underflow should be handled in top half and reprogram device > >> to suspend receives (is this possible)? > > > > What is "top half"? > > Top half interrupt handler (b43_do_interrupt). No way. Interrupts are properly blocked before leaving the top-half handler and re-enabled before leaving the bottom-half handler already. Adding stuff to the top-half handler would only introduce serious locking and latency issues and it would fix nothing. -- Michael
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