KVM guest: exit idleness when handling KVM_PV_REASON_PAGE_NOT_PRESENT

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / kernel / kvm.c

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index b3e5e51..4180a87 100644 (file)
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -247,7 +247,10 @@ 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();
                break;
        case KVM_PV_REASON_PAGE_READY:
                rcu_irq_enter();