1 files changed, 0 insertions, 180 deletions
diff --git a/pkg/sentry/fsimpl/testutil/kernel.go b/pkg/sentry/fsimpl/testutil/kernel.go
deleted file mode 100644
index c16a36cdb..000000000
--- a/pkg/sentry/fsimpl/testutil/kernel.go
+++ /dev/null
@@ -1,180 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package testutil
-
-import (
-	"flag"
-	"fmt"
-	"os"
-	"runtime"
-
-	"gvisor.dev/gvisor/pkg/abi/linux"
-	"gvisor.dev/gvisor/pkg/context"
-	"gvisor.dev/gvisor/pkg/cpuid"
-	"gvisor.dev/gvisor/pkg/fspath"
-	"gvisor.dev/gvisor/pkg/memutil"
-	"gvisor.dev/gvisor/pkg/sentry/fsbridge"
-	"gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs"
-	"gvisor.dev/gvisor/pkg/sentry/kernel"
-	"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
-	"gvisor.dev/gvisor/pkg/sentry/kernel/sched"
-	"gvisor.dev/gvisor/pkg/sentry/limits"
-	"gvisor.dev/gvisor/pkg/sentry/loader"
-	"gvisor.dev/gvisor/pkg/sentry/mm"
-	"gvisor.dev/gvisor/pkg/sentry/pgalloc"
-	"gvisor.dev/gvisor/pkg/sentry/platform"
-	"gvisor.dev/gvisor/pkg/sentry/time"
-	"gvisor.dev/gvisor/pkg/sentry/vfs"
-
-	// Platforms are plugable.
-	_ "gvisor.dev/gvisor/pkg/sentry/platform/kvm"
-	_ "gvisor.dev/gvisor/pkg/sentry/platform/ptrace"
-)
-
-var (
-	platformFlag = flag.String("platform", "ptrace", "specify which platform to use")
-)
-
-// Boot initializes a new bare bones kernel for test.
-func Boot() (*kernel.Kernel, error) {
-	platformCtr, err := platform.Lookup(*platformFlag)
-	if err != nil {
-		return nil, fmt.Errorf("platform not found: %v", err)
-	}
-	deviceFile, err := platformCtr.OpenDevice()
-	if err != nil {
-		return nil, fmt.Errorf("creating platform: %v", err)
-	}
-	plat, err := platformCtr.New(deviceFile)
-	if err != nil {
-		return nil, fmt.Errorf("creating platform: %v", err)
-	}
-
-	k := &kernel.Kernel{
-		Platform: plat,
-	}
-
-	mf, err := createMemoryFile()
-	if err != nil {
-		return nil, err
-	}
-	k.SetMemoryFile(mf)
-
-	// Pass k as the platform since it is savable, unlike the actual platform.
-	vdso, err := loader.PrepareVDSO(nil, k)
-	if err != nil {
-		return nil, fmt.Errorf("creating vdso: %v", err)
-	}
-
-	// Create timekeeper.
-	tk, err := kernel.NewTimekeeper(k, vdso.ParamPage.FileRange())
-	if err != nil {
-		return nil, fmt.Errorf("creating timekeeper: %v", err)
-	}
-	tk.SetClocks(time.NewCalibratedClocks())
-
-	creds := auth.NewRootCredentials(auth.NewRootUserNamespace())
-
-	// Initiate the Kernel object, which is required by the Context passed
-	// to createVFS in order to mount (among other things) procfs.
-	if err = k.Init(kernel.InitKernelArgs{
-		ApplicationCores:            uint(runtime.GOMAXPROCS(-1)),
-		FeatureSet:                  cpuid.HostFeatureSet(),
-		Timekeeper:                  tk,
-		RootUserNamespace:           creds.UserNamespace,
-		Vdso:                        vdso,
-		RootUTSNamespace:            kernel.NewUTSNamespace("hostname", "domain", creds.UserNamespace),
-		RootIPCNamespace:            kernel.NewIPCNamespace(creds.UserNamespace),
-		RootAbstractSocketNamespace: kernel.NewAbstractSocketNamespace(),
-		PIDNamespace:                kernel.NewRootPIDNamespace(creds.UserNamespace),
-	}); err != nil {
-		return nil, fmt.Errorf("initializing kernel: %v", err)
-	}
-
-	kernel.VFS2Enabled = true
-
-	if err := k.VFS().Init(); err != nil {
-		return nil, fmt.Errorf("VFS init: %v", err)
-	}
-	k.VFS().MustRegisterFilesystemType(tmpfs.Name, &tmpfs.FilesystemType{}, &vfs.RegisterFilesystemTypeOptions{
-		AllowUserMount: true,
-		AllowUserList:  true,
-	})
-
-	ls, err := limits.NewLinuxLimitSet()
-	if err != nil {
-		return nil, err
-	}
-	tg := k.NewThreadGroup(nil, k.RootPIDNamespace(), kernel.NewSignalHandlers(), linux.SIGCHLD, ls)
-	k.TestOnly_SetGlobalInit(tg)
-
-	return k, nil
-}
-
-// CreateTask creates a new bare bones task for tests.
-func CreateTask(ctx context.Context, name string, tc *kernel.ThreadGroup, mntns *vfs.MountNamespace, root, cwd vfs.VirtualDentry) (*kernel.Task, error) {
-	k := kernel.KernelFromContext(ctx)
-	exe, err := newFakeExecutable(ctx, k.VFS(), auth.CredentialsFromContext(ctx), root)
-	if err != nil {
-		return nil, err
-	}
-	m := mm.NewMemoryManager(k, k, k.SleepForAddressSpaceActivation)
-	m.SetExecutable(fsbridge.NewVFSFile(exe))
-
-	config := &kernel.TaskConfig{
-		Kernel:                  k,
-		ThreadGroup:             tc,
-		TaskContext:             &kernel.TaskContext{Name: name, MemoryManager: m},
-		Credentials:             auth.CredentialsFromContext(ctx),
-		NetworkNamespace:        k.RootNetworkNamespace(),
-		AllowedCPUMask:          sched.NewFullCPUSet(k.ApplicationCores()),
-		UTSNamespace:            kernel.UTSNamespaceFromContext(ctx),
-		IPCNamespace:            kernel.IPCNamespaceFromContext(ctx),
-		AbstractSocketNamespace: kernel.NewAbstractSocketNamespace(),
-		MountNamespaceVFS2:      mntns,
-		FSContext:               kernel.NewFSContextVFS2(root, cwd, 0022),
-		FDTable:                 k.NewFDTable(),
-	}
-	return k.TaskSet().NewTask(config)
-}
-
-func newFakeExecutable(ctx context.Context, vfsObj *vfs.VirtualFilesystem, creds *auth.Credentials, root vfs.VirtualDentry) (*vfs.FileDescription, error) {
-	const name = "executable"
-	pop := &vfs.PathOperation{
-		Root:  root,
-		Start: root,
-		Path:  fspath.Parse(name),
-	}
-	opts := &vfs.OpenOptions{
-		Flags: linux.O_RDONLY | linux.O_CREAT,
-		Mode:  0777,
-	}
-	return vfsObj.OpenAt(ctx, creds, pop, opts)
-}
-
-func createMemoryFile() (*pgalloc.MemoryFile, error) {
-	const memfileName = "test-memory"
-	memfd, err := memutil.CreateMemFD(memfileName, 0)
-	if err != nil {
-		return nil, fmt.Errorf("error creating memfd: %v", err)
-	}
-	memfile := os.NewFile(uintptr(memfd), memfileName)
-	mf, err := pgalloc.NewMemoryFile(memfile, pgalloc.MemoryFileOpts{})
-	if err != nil {
-		memfile.Close()
-		return nil, fmt.Errorf("error creating pgalloc.MemoryFile: %v", err)
-	}
-	return mf, nil
-}