On Thu, Mar 26, 2020 at 12:02:28AM +0800, Jiaxun Yang wrote: > >maybe I'm too fast by judging the irq code, but without > >CONFIG_SPARSE_IRQ > >the whole irq_desc is pre-allocated. > > Sorry. You're right. > I found the problem is CONFIG_SPARSE_IRQ is accidentally enabled in my config due to another out-of-tree patch ok, that explains it. > during my initial test and I always consider it as a problem. > > So we can drop this patch safely for now. already dropped in my test branch. If nothing shows up, I'll push it to mips-next. > But just need to consider how to deal with it when we want to enable SPARSE_IRQ. setting NR_IRQS_LEGACY so a sensible value should do the trick then. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
