On Tue, 1 Mar 2005, Tony Mantler wrote:
> > On 1-Mar-05, at 4:52 AM, Finn Thain wrote: > > > Once again I've been working on the interrupt handling in the 2.6 kernel > > (trying to fix the DP8390 transmit timeouts and MACE FIFO overruns). > > > > I noticed that when alt_via_mapping is in use, the VIA 1 interrupt moves > > to autovector 6. However, the VIA 1 handler still gets registered for IRQ > > 1, but it receives no interrupts on my machines. It is labelled > > "software". Does anyone know what it is it for? > > As I recall, you can set a bit in the VIA and it'll generate an interrupt on > that line. I suppose it was intended to shuffle the lower priority interrupts > back down to IRQ 1 without having to write a whole bottom-half API. Ah, I see. I was wondering if maybe it was there because some machines were using alt_via_mapping that shouldn't be. But I guess not. Thanks. -f > Cheers - Tony 'Nicoya' Mantler :) - To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
