On Wed, 2012-04-04 at 15:30 +0300, Gleb Natapov wrote: > > @@ -253,7 +254,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code) > kvm_async_pf_task_wait((u32)read_cr2()); > break; > case KVM_PV_REASON_PAGE_READY: > + rcu_irq_enter(); > + exit_idle(); > kvm_async_pf_task_wake((u32)read_cr2()); > + rcu_irq_exit(); > break; > } > } Wouldn't irq_enter() / irq_exit() be more appropriate? You're basically taking an interrupt/exception from idle, irq_enter() will fix up everything that needs fixing up, including time sources (which the scheduler expects to be up-to-date). -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html