On Mon, 12 Feb 2007, Atsushi Nemoto wrote: > _ret_from_irq is used by dec/int-handler.S directly, so you should not > remove it (though decstation_defconfig disables CONFIG_PREEMPT). > > But looking at dec/int-handler.S again, I can not see why it uses > _ret_from_irq, and why it manipulates TI_REGS($28) in handle_it ... > > It seems dec/int-handler.S has been broken for a while. I'll send a > patch to fix it. If it was ACKed, I ACK your patch. It works for me with 2.6.18 -- if it needs an update due to more recent changes, then I have not got there yet. ;-) I plan to rewrite this bit in C if feasible like other platforms did too. Maciej