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_SIGPENDING) {
12 kvm_handle_signal_exit(vcpu);
16 if (ti_work & _TIF_NEED_RESCHED)
19 if (ti_work & _TIF_NOTIFY_RESUME) {
20 clear_thread_flag(TIF_NOTIFY_RESUME);
21 tracehook_notify_resume(NULL);
24 ret = arch_xfer_to_guest_mode_handle_work(vcpu, ti_work);
28 ti_work = READ_ONCE(current_thread_info()->flags);
29 } while (ti_work & XFER_TO_GUEST_MODE_WORK || need_resched());
33 int xfer_to_guest_mode_handle_work(struct kvm_vcpu *vcpu)
35 unsigned long ti_work;
38 * This is invoked from the outer guest loop with interrupts and
41 * KVM invokes xfer_to_guest_mode_work_pending() with interrupts
42 * disabled in the inner loop before going into guest mode. No need
43 * to disable interrupts here.
45 ti_work = READ_ONCE(current_thread_info()->flags);
46 if (!(ti_work & XFER_TO_GUEST_MODE_WORK))
49 return xfer_to_guest_mode_work(vcpu, ti_work);
51 EXPORT_SYMBOL_GPL(xfer_to_guest_mode_handle_work);