github.com/MerlinKodo/gvisor@v0.0.0-20231110090155-957f62ecf90e/pkg/sentry/platform/kvm/address_space_amd64.go (about) 1 // Copyright 2021 The gVisor Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package kvm 16 17 // invalidate is the implementation for Invalidate. 18 func (as *addressSpace) invalidate() { 19 timer := asInvalidateDuration.Start() 20 as.dirtySet.forEach(as.machine, func(c *vCPU) { 21 if c.active.get() == as { // If this happens to be active, 22 c.BounceToKernel() // ... force a kernel transition. 23 } 24 }) 25 timer.Finish() 26 }