1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/entry-kvm.h>
4 #include <linux/kvm_host.h>
6 static int xfer_to_guest_mode_work(struct kvm_vcpu *vcpu, unsigned long ti_work)
11 if (ti_work & _TIF_NOTIFY_SIGNAL)
12 tracehook_notify_signal();
14 if (ti_work & _TIF_SIGPENDING) {
15 kvm_handle_signal_exit(vcpu);
19 if (ti_work & _TIF_NEED_RESCHED)
22 if (ti_work & _TIF_NOTIFY_RESUME)
23 tracehook_notify_resume(NULL);
25 ret = arch_xfer_to_guest_mode_handle_work(vcpu, ti_work);
29 ti_work = read_thread_flags();
30 } while (ti_work & XFER_TO_GUEST_MODE_WORK || need_resched());
34 int xfer_to_guest_mode_handle_work(struct kvm_vcpu *vcpu)
36 unsigned long ti_work;
39 * This is invoked from the outer guest loop with interrupts and
42 * KVM invokes xfer_to_guest_mode_work_pending() with interrupts
43 * disabled in the inner loop before going into guest mode. No need
44 * to disable interrupts here.
46 ti_work = read_thread_flags();
47 if (!(ti_work & XFER_TO_GUEST_MODE_WORK))
50 return xfer_to_guest_mode_work(vcpu, ti_work);
52 EXPORT_SYMBOL_GPL(xfer_to_guest_mode_handle_work);