-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, February 05, 2007 3:03 PM >Nope. irq routines are a stack. if apic_in_service_vector could return >the wrong value. ack_APIC_irq() which use the same information would >acknowledge the wrong irq. If there was actually any danger of >mis-computing that information I would just pass it from the interrupt >service routine stash it in a per cpu variable and then read it out. >But the apic already has registers doing that, so I was lazy and used >what was available. It should be the common case that we need that >information.
OK. I wonder if current kernel support different cpu handle irq request for different device at the same time. YH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
