On Thu, 23 Nov 2006 18:42:38 +0300, Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> wrote: > >> BTW, isn't IRQ7 per-CPU? > > > Yes and no. On many CPUs IRQ 7 can be configured at reset time as either > > the count / compare interrupt or a CPU interrupt just like the others. > > It always used to be a normal CPU interrupt for R2000 class CPUs. > > Nevertheless, IRQ7 having percpu flow when it's known to be from > count/compare would make the timer stuff faster, I assume... It would be faster indeed, but note that handle_percpu_irq() depends on CONFIG_SMP for now. --- Atsushi Nemoto