2012/11/27 Gleb Natapov <gleb@xxxxxxxxxx>: > diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c > index 4180a87..636800d 100644 > --- a/arch/x86/kernel/kvm.c > +++ b/arch/x86/kernel/kvm.c > @@ -113,7 +113,7 @@ void kvm_async_pf_task_wait(u32 token) > int cpu, idle; > > cpu = get_cpu(); > - idle = idle_cpu(cpu); > + idle = is_idle_task(current); I suggest this part goes to a standalone patch. > put_cpu(); > > spin_lock(&b->lock); > @@ -247,10 +247,7 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code) > break; > case KVM_PV_REASON_PAGE_NOT_PRESENT: > /* page is swapped out by the host. */ > - rcu_irq_enter(); > - exit_idle(); > kvm_async_pf_task_wait((u32)read_cr2()); > - rcu_irq_exit(); Hmm, we still need those above around. I believe we just need to add rcu_user_exit() in the beginning of that case. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
