1 files changed, 0 insertions, 80 deletions
diff --git a/pkg/host/features.go b/pkg/host/features.go
deleted file mode 100644
index 91ea0de7e..000000000
--- a/pkg/host/features.go
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2018 syzkaller project authors. All rights reserved.
-// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
-
-package host
-
-import (
-	"bytes"
-	"fmt"
-	"strings"
-	"time"
-
-	"github.com/google/syzkaller/pkg/csource"
-	"github.com/google/syzkaller/pkg/flatrpc"
-	"github.com/google/syzkaller/pkg/ipc"
-	"github.com/google/syzkaller/pkg/log"
-	"github.com/google/syzkaller/pkg/osutil"
-	"github.com/google/syzkaller/prog"
-	"github.com/google/syzkaller/sys/targets"
-)
-
-// SetupFeatures enables and does any one-time setup for the requested features on the host.
-// Note: this can be called multiple times and must be idempotent.
-func SetupFeatures(target *prog.Target, executor string, mask flatrpc.Feature, flags csource.Features) (
-	[]*flatrpc.FeatureInfo, error) {
-	if noHostChecks(target) {
-		return nil, nil
-	}
-	var results []*flatrpc.FeatureInfo
-	resultC := make(chan *flatrpc.FeatureInfo)
-	for feat := range flatrpc.EnumNamesFeature {
-		feat := feat
-		if mask&feat == 0 {
-			continue
-		}
-		opt := ipc.FlatRPCFeaturesToCSource[feat]
-		if opt != "" && flags != nil && !flags["binfmt_misc"].Enabled {
-			continue
-		}
-		results = append(results, nil)
-		go setupFeature(executor, feat, resultC)
-	}
-	// Feature 0 setups common things that are not part of any feature.
-	setupFeature(executor, 0, nil)
-	for i := range results {
-		results[i] = <-resultC
-	}
-	return results, nil
-}
-
-func setupFeature(executor string, feat flatrpc.Feature, resultC chan *flatrpc.FeatureInfo) {
-	args := strings.Split(executor, " ")
-	executor = args[0]
-	args = append(args[1:], "setup", fmt.Sprint(uint64(feat)))
-	output, err := osutil.RunCmd(3*time.Minute, "", executor, args...)
-	log.Logf(1, "executor %v\n%s", args, bytes.ReplaceAll(output, []byte("SYZFAIL:"), nil))
-	outputStr := string(output)
-	if err == nil {
-		outputStr = ""
-	} else if outputStr == "" {
-		outputStr = err.Error()
-	}
-	needSetup := true
-	if strings.Contains(outputStr, "feature setup is not needed") {
-		needSetup = false
-		outputStr = ""
-	}
-	if resultC != nil {
-		resultC <- &flatrpc.FeatureInfo{
-			Id:        feat,
-			NeedSetup: needSetup,
-			Reason:    outputStr,
-		}
-	}
-}
-
-func noHostChecks(target *prog.Target) bool {
-	// HostFuzzer targets can't run Go binaries on the targets,
-	// so we actually run on the host on another OS. The same for targets.TestOS OS.
-	return targets.Get(target.OS, target.Arch).HostFuzzer || target.OS == targets.TestOS
-}