Merge "[Ravenwood] Install transitive JNI libraries too" into main
diff --git a/android/config.go b/android/config.go
index f9cb842..407aeb7 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1499,18 +1499,18 @@
 }
 
 // AfdoProfile returns fully qualified path associated to the given module name
-func (c *deviceConfig) AfdoProfile(name string) (*string, error) {
+func (c *deviceConfig) AfdoProfile(name string) (string, error) {
 	for _, afdoProfile := range c.config.productVariables.AfdoProfiles {
 		split := strings.Split(afdoProfile, ":")
 		if len(split) != 3 {
-			return nil, fmt.Errorf("AFDO_PROFILES has invalid value: %s. "+
+			return "", fmt.Errorf("AFDO_PROFILES has invalid value: %s. "+
 				"The expected format is <module>:<fully-qualified-path-to-fdo_profile>", afdoProfile)
 		}
 		if split[0] == name {
-			return proptools.StringPtr(strings.Join([]string{split[1], split[2]}, ":")), nil
+			return strings.Join([]string{split[1], split[2]}, ":"), nil
 		}
 	}
-	return nil, nil
+	return "", nil
 }
 
 func (c *deviceConfig) VendorSepolicyDirs() []string {
diff --git a/bin/soongdbg b/bin/soongdbg
index 024f0fd..bfdbbde 100755
--- a/bin/soongdbg
+++ b/bin/soongdbg
@@ -30,6 +30,7 @@
                 dep = get_or_make_node(self.nodes, d.id, None)
                 node.deps.add(dep)
                 dep.rdeps.add(node)
+                node.dep_tags.setdefault(dep, list()).append(d)
 
     def find_paths(self, id1, id2):
         # Throws KeyError if one of the names isn't found
@@ -63,6 +64,7 @@
         self.module = module
         self.deps = set()
         self.rdeps = set()
+        self.dep_tags = {}
 
 
 PROVIDERS = [
@@ -71,6 +73,20 @@
 ]
 
 
+def format_dep_label(node, dep):
+    tags = node.dep_tags.get(dep)
+    labels = []
+    if tags:
+        labels = [tag.tag_type.split("/")[-1] for tag in tags]
+        labels = sorted(set(labels))
+    if labels:
+        result = "<<table border=\"0\" cellborder=\"0\" cellspacing=\"0\" cellpadding=\"0\">"
+        for label in labels:
+            result += f"<tr><td>{label}</td></tr>"
+        result += "</table>>"
+        return result
+
+
 def format_node_label(node, module_formatter):
     result = "<<table border=\"0\" cellborder=\"0\" cellspacing=\"0\" cellpadding=\"0\">"
 
@@ -196,6 +212,8 @@
 def print_args(parser):
     parser.add_argument("--label", action="append", metavar="JQ_FILTER",
                         help="jq query for each module metadata")
+    parser.add_argument("--deptags", action="store_true",
+                        help="show dependency tags (makes the graph much more complex)")
 
     group = parser.add_argument_group("output formats",
                                       "If no format is provided, a dot file will be written to"
@@ -209,13 +227,24 @@
 
 def print_nodes(args, nodes, module_formatter):
     # Generate the graphviz
+    dep_tag_id = 0
     dot = io.StringIO()
     dot.write("digraph {\n")
+    dot.write("node [shape=box];")
+
     for node in nodes:
-        dot.write(f"\"{node.id}\"[label={format_node_label(node, module_formatter)}];\n")
+        dot.write(f"\"{node.id}\" [label={format_node_label(node, module_formatter)}];\n")
         for dep in node.deps:
             if dep in nodes:
-                dot.write(f"\"{node.id}\" -> \"{dep.id}\";\n")
+                if args.deptags:
+                    dot.write(f"\"{node.id}\" -> \"__dep_tag_{dep_tag_id}\" [ arrowhead=none ];\n")
+                    dot.write(f"\"__dep_tag_{dep_tag_id}\" -> \"{dep.id}\";\n")
+                    dot.write(f"\"__dep_tag_{dep_tag_id}\""
+                                  + f"[label={format_dep_label(node, dep)} shape=ellipse"
+                                  + " color=\"#666666\" fontcolor=\"#666666\"];\n")
+                else:
+                    dot.write(f"\"{node.id}\" -> \"{dep.id}\";\n")
+                dep_tag_id += 1
     dot.write("}\n")
     text = dot.getvalue()
 
@@ -224,18 +253,19 @@
         with open(args.dot, "w") as f:
             f.write(text)
     elif args.svg:
-        subprocess.run(["dot", "-Tsvg", "-Nshape=box", "-o", args.svg],
+        subprocess.run(["dot", "-Tsvg", "-o", args.svg],
                               input=text, text=True, check=True)
     else:
         sys.stdout.write(text)
 
 
-def get_deps(nodes, root):
+def get_deps(nodes, root, maxdepth, reverse):
     if root in nodes:
         return
     nodes.add(root)
-    for dep in root.deps:
-        get_deps(nodes, dep)
+    if maxdepth != 0:
+        for dep in (root.rdeps if reverse else root.deps):
+            get_deps(nodes, dep, maxdepth-1, reverse)
 
 
 def new_module_formatter(args):
@@ -282,19 +312,23 @@
     def args(self, parser):
         parser.add_argument("module", nargs="+",
                             help="Module to print dependencies of")
+        parser.add_argument("--reverse", action="store_true",
+                            help="traverse reverse dependencies")
+        parser.add_argument("--depth", type=int, default=-1,
+                            help="max depth of dependencies (can keep the graph size reasonable)")
         print_args(parser)
 
     def run(self, args):
         graph = load_graph()
         nodes = set()
         err = False
-        for id in sys.argv[3:]:
+        for id in args.module:
             root = graph.nodes.get(id)
             if not root:
                 sys.stderr.write(f"error: Can't find root: {id}\n")
                 err = True
                 continue
-            get_deps(nodes, root)
+            get_deps(nodes, root, args.depth, args.reverse)
         if err:
             sys.exit(1)
         print_nodes(args, nodes, new_module_formatter(args))
@@ -330,7 +364,6 @@
                 print()
 
 
-
 class QueryCommand:
     help = "Query details about modules"
 
diff --git a/cc/afdo.go b/cc/afdo.go
index 6cc1746..00b2245 100644
--- a/cc/afdo.go
+++ b/cc/afdo.go
@@ -21,29 +21,17 @@
 	"android/soong/android"
 
 	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 )
 
 // This flag needs to be in both CFlags and LdFlags to ensure correct symbol ordering
 const afdoFlagsFormat = "-fprofile-sample-use=%s -fprofile-sample-accurate"
 
-func recordMissingAfdoProfileFile(ctx android.BaseModuleContext, missing string) {
-	getNamedMapForConfig(ctx.Config(), modulesMissingProfileFileKey).Store(missing, true)
-}
-
-type afdoRdep struct {
-	VariationName *string
-	ProfilePath   *string
-}
-
 type AfdoProperties struct {
 	// Afdo allows developers self-service enroll for
 	// automatic feedback-directed optimization using profile data.
 	Afdo bool
 
-	FdoProfilePath *string `blueprint:"mutated"`
-
-	AfdoRDeps []afdoRdep `blueprint:"mutated"`
+	AfdoDep bool `blueprint:"mutated"`
 }
 
 type afdo struct {
@@ -62,17 +50,32 @@
 }
 
 // afdoEnabled returns true for binaries and shared libraries
-// that set afdo prop to True and there is a profile available
+// that set afdo prop to True.
 func (afdo *afdo) afdoEnabled() bool {
 	return afdo != nil && afdo.Properties.Afdo
 }
 
+func (afdo *afdo) isAfdoCompile(ctx ModuleContext) bool {
+	fdoProfilePath := getFdoProfilePathFromDep(ctx)
+	return !ctx.Host() && (afdo.Properties.Afdo || afdo.Properties.AfdoDep) && (fdoProfilePath != "")
+}
+
+func getFdoProfilePathFromDep(ctx ModuleContext) string {
+	fdoProfileDeps := ctx.GetDirectDepsWithTag(FdoProfileTag)
+	if len(fdoProfileDeps) > 0 && fdoProfileDeps[0] != nil {
+		if info, ok := android.OtherModuleProvider(ctx, fdoProfileDeps[0], FdoProfileProvider); ok {
+			return info.Path.String()
+		}
+	}
+	return ""
+}
+
 func (afdo *afdo) flags(ctx ModuleContext, flags Flags) Flags {
 	if ctx.Host() {
 		return flags
 	}
 
-	if afdo.Properties.Afdo {
+	if afdo.Properties.Afdo || afdo.Properties.AfdoDep {
 		// We use `-funique-internal-linkage-names` to associate profiles to the right internal
 		// functions. This option should be used before generating a profile. Because a profile
 		// generated for a binary without unique names doesn't work well building a binary with
@@ -90,15 +93,15 @@
 		// TODO(b/266595187): Remove the following feature once it is enabled in LLVM by default.
 		flags.Local.CFlags = append([]string{"-mllvm", "-improved-fs-discriminator=true"}, flags.Local.CFlags...)
 	}
-	if path := afdo.Properties.FdoProfilePath; path != nil {
+	if fdoProfilePath := getFdoProfilePathFromDep(ctx); fdoProfilePath != "" {
 		// The flags are prepended to allow overriding.
-		profileUseFlag := fmt.Sprintf(afdoFlagsFormat, *path)
+		profileUseFlag := fmt.Sprintf(afdoFlagsFormat, fdoProfilePath)
 		flags.Local.CFlags = append([]string{profileUseFlag}, flags.Local.CFlags...)
 		flags.Local.LdFlags = append([]string{profileUseFlag, "-Wl,-mllvm,-no-warn-sample-unused=true"}, flags.Local.LdFlags...)
 
 		// Update CFlagsDeps and LdFlagsDeps so the module is rebuilt
 		// if profileFile gets updated
-		pathForSrc := android.PathForSource(ctx, *path)
+		pathForSrc := android.PathForSource(ctx, fdoProfilePath)
 		flags.CFlagsDeps = append(flags.CFlagsDeps, pathForSrc)
 		flags.LdFlagsDeps = append(flags.LdFlagsDeps, pathForSrc)
 	}
@@ -106,130 +109,86 @@
 	return flags
 }
 
-func (afdo *afdo) addDep(ctx BaseModuleContext, actx android.BottomUpMutatorContext) {
+func (a *afdo) addDep(ctx android.BottomUpMutatorContext, fdoProfileTarget string) {
+	if fdoProfileName, err := ctx.DeviceConfig().AfdoProfile(fdoProfileTarget); fdoProfileName != "" && err == nil {
+		ctx.AddFarVariationDependencies(
+			[]blueprint.Variation{
+				{Mutator: "arch", Variation: ctx.Target().ArchVariation()},
+				{Mutator: "os", Variation: "android"},
+			},
+			FdoProfileTag,
+			fdoProfileName)
+	}
+}
+
+func afdoPropagateViaDepTag(tag blueprint.DependencyTag) bool {
+	libTag, isLibTag := tag.(libraryDependencyTag)
+	// Do not recurse down non-static dependencies
+	if isLibTag {
+		return libTag.static()
+	} else {
+		return tag == objDepTag || tag == reuseObjTag || tag == staticVariantTag
+	}
+}
+
+// afdoTransitionMutator creates afdo variants of cc modules.
+type afdoTransitionMutator struct{}
+
+func (a *afdoTransitionMutator) Split(ctx android.BaseModuleContext) []string {
+	return []string{""}
+}
+
+func (a *afdoTransitionMutator) OutgoingTransition(ctx android.OutgoingTransitionContext, sourceVariation string) string {
 	if ctx.Host() {
-		return
+		return ""
 	}
 
-	if ctx.static() && !ctx.staticBinary() {
-		return
-	}
-
-	if c, ok := ctx.Module().(*Module); ok && c.Enabled() {
-		if fdoProfileName, err := actx.DeviceConfig().AfdoProfile(actx.ModuleName()); fdoProfileName != nil && err == nil {
-			actx.AddFarVariationDependencies(
-				[]blueprint.Variation{
-					{Mutator: "arch", Variation: actx.Target().ArchVariation()},
-					{Mutator: "os", Variation: "android"},
-				},
-				FdoProfileTag,
-				[]string{*fdoProfileName}...,
-			)
+	if m, ok := ctx.Module().(*Module); ok && m.afdo != nil {
+		if !afdoPropagateViaDepTag(ctx.DepTag()) {
+			return ""
 		}
+
+		if sourceVariation != "" {
+			return sourceVariation
+		}
+
+		if !m.afdo.afdoEnabled() {
+			return ""
+		}
+
+		// TODO(b/324141705): this is designed to prevent propagating AFDO from static libraries that have afdo: true set, but
+		//  it should be m.static() && !m.staticBinary() so that static binaries use AFDO variants of dependencies.
+		if m.static() {
+			return ""
+		}
+
+		return encodeTarget(ctx.Module().Name())
 	}
+	return ""
 }
 
-// FdoProfileMutator reads the FdoProfileProvider from a direct dep with FdoProfileTag
-// assigns FdoProfileInfo.Path to the FdoProfilePath mutated property
-func (c *Module) fdoProfileMutator(ctx android.BottomUpMutatorContext) {
-	if !c.Enabled() {
-		return
+func (a *afdoTransitionMutator) IncomingTransition(ctx android.IncomingTransitionContext, incomingVariation string) string {
+	if m, ok := ctx.Module().(*Module); ok && m.afdo != nil {
+		return incomingVariation
 	}
-
-	if !c.afdo.afdoEnabled() {
-		return
-	}
-
-	ctx.VisitDirectDepsWithTag(FdoProfileTag, func(m android.Module) {
-		if info, ok := android.OtherModuleProvider(ctx, m, FdoProfileProvider); ok {
-			c.afdo.Properties.FdoProfilePath = proptools.StringPtr(info.Path.String())
-		}
-	})
+	return ""
 }
 
-var _ FdoProfileMutatorInterface = (*Module)(nil)
-
-// Propagate afdo requirements down from binaries and shared libraries
-func afdoDepsMutator(mctx android.TopDownMutatorContext) {
-	if mctx.Host() {
-		return
-	}
-
-	if m, ok := mctx.Module().(*Module); ok && m.afdo.afdoEnabled() {
-		path := m.afdo.Properties.FdoProfilePath
-		mctx.WalkDeps(func(dep android.Module, parent android.Module) bool {
-			tag := mctx.OtherModuleDependencyTag(dep)
-			libTag, isLibTag := tag.(libraryDependencyTag)
-
-			// Do not recurse down non-static dependencies
-			if isLibTag {
-				if !libTag.static() {
-					return false
-				}
-			} else {
-				if tag != objDepTag && tag != reuseObjTag {
-					return false
-				}
+func (a *afdoTransitionMutator) Mutate(ctx android.BottomUpMutatorContext, variation string) {
+	if m, ok := ctx.Module().(*Module); ok && m.afdo != nil {
+		if variation == "" {
+			// The empty variation is either a module that has enabled AFDO for itself, or the non-AFDO
+			// variant of a dependency.
+			if m.afdo.afdoEnabled() && !(m.static() && !m.staticBinary()) && !m.Host() {
+				m.afdo.addDep(ctx, ctx.ModuleName())
 			}
-
-			if dep, ok := dep.(*Module); ok {
-				dep.afdo.Properties.AfdoRDeps = append(
-					dep.afdo.Properties.AfdoRDeps,
-					afdoRdep{
-						VariationName: proptools.StringPtr(encodeTarget(m.Name())),
-						ProfilePath:   path,
-					},
-				)
-			}
-
-			return true
-		})
-	}
-}
-
-// Create afdo variants for modules that need them
-func afdoMutator(mctx android.BottomUpMutatorContext) {
-	if mctx.Host() {
-		return
-	}
-
-	if m, ok := mctx.Module().(*Module); ok && m.afdo != nil {
-		if !m.static() && m.afdo.Properties.Afdo {
-			mctx.SetDependencyVariation(encodeTarget(m.Name()))
-			return
-		}
-
-		variationNames := []string{""}
-
-		variantNameToProfilePath := make(map[string]*string)
-
-		for _, afdoRDep := range m.afdo.Properties.AfdoRDeps {
-			variantName := *afdoRDep.VariationName
-			// An rdep can be set twice in AfdoRDeps because there can be
-			// more than one path from an afdo-enabled module to
-			// a static dep such as
-			// afdo_enabled_foo -> static_bar ----> static_baz
-			//                   \                      ^
-			//                    ----------------------|
-			// We only need to create one variant per unique rdep
-			if _, exists := variantNameToProfilePath[variantName]; !exists {
-				variationNames = append(variationNames, variantName)
-				variantNameToProfilePath[variantName] = afdoRDep.ProfilePath
-			}
-		}
-
-		if len(variationNames) > 1 {
-			modules := mctx.CreateVariations(variationNames...)
-			for i, name := range variationNames {
-				if name == "" {
-					continue
-				}
-				variation := modules[i].(*Module)
-				variation.Properties.PreventInstall = true
-				variation.Properties.HideFromMake = true
-				variation.afdo.Properties.Afdo = true
-				variation.afdo.Properties.FdoProfilePath = variantNameToProfilePath[name]
-			}
+		} else {
+			// The non-empty variation is the AFDO variant of a dependency of a module that enabled AFDO
+			// for itself.
+			m.Properties.PreventInstall = true
+			m.Properties.HideFromMake = true
+			m.afdo.Properties.AfdoDep = true
+			m.afdo.addDep(ctx, decodeTarget(variation))
 		}
 	}
 }
diff --git a/cc/cc.go b/cc/cc.go
index 449d38f..39024aa 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -55,7 +55,6 @@
 		ctx.BottomUp("test_per_src", TestPerSrcMutator).Parallel()
 		ctx.BottomUp("version", versionMutator).Parallel()
 		ctx.BottomUp("begin", BeginMutator).Parallel()
-		ctx.BottomUp("fdo_profile", fdoProfileMutator)
 	})
 
 	ctx.PostDepsMutators(func(ctx android.RegisterMutatorsContext) {
@@ -70,8 +69,7 @@
 
 		ctx.Transition("coverage", &coverageTransitionMutator{})
 
-		ctx.TopDown("afdo_deps", afdoDepsMutator)
-		ctx.BottomUp("afdo", afdoMutator).Parallel()
+		ctx.Transition("afdo", &afdoTransitionMutator{})
 
 		ctx.Transition("orderfile", &orderfileTransitionMutator{})
 
@@ -527,7 +525,7 @@
 	selectedStl() string
 	baseModuleName() string
 	getVndkExtendsModuleName() string
-	isAfdoCompile() bool
+	isAfdoCompile(ctx ModuleContext) bool
 	isOrderfileCompile() bool
 	isCfi() bool
 	isFuzzer() bool
@@ -1381,9 +1379,9 @@
 	return false
 }
 
-func (c *Module) isAfdoCompile() bool {
+func (c *Module) isAfdoCompile(ctx ModuleContext) bool {
 	if afdo := c.afdo; afdo != nil {
-		return afdo.Properties.FdoProfilePath != nil
+		return afdo.isAfdoCompile(ctx)
 	}
 	return false
 }
@@ -1706,8 +1704,8 @@
 	return ctx.mod.IsVndk()
 }
 
-func (ctx *moduleContextImpl) isAfdoCompile() bool {
-	return ctx.mod.isAfdoCompile()
+func (ctx *moduleContextImpl) isAfdoCompile(mctx ModuleContext) bool {
+	return ctx.mod.isAfdoCompile(mctx)
 }
 
 func (ctx *moduleContextImpl) isOrderfileCompile() bool {
@@ -2351,10 +2349,6 @@
 	}
 	ctx.ctx = ctx
 
-	if !actx.Host() || !ctx.static() || ctx.staticBinary() {
-		c.afdo.addDep(ctx, actx)
-	}
-
 	c.begin(ctx)
 }
 
diff --git a/cc/config/global.go b/cc/config/global.go
index 613641f..d3c2658 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -302,8 +302,6 @@
 		// until then because it causes warnings in the _callers_, not the
 		// project itself.
 		"-Wno-deprecated-dynamic-exception-spec",
-		// http://b/324323434
-		"-Wno-ambiguous-reversed-operator",
 	}
 
 	noOverride64GlobalCflags = []string{}
diff --git a/cc/coverage.go b/cc/coverage.go
index 43f5e07..f6092e4 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -91,7 +91,7 @@
 }
 
 func (cov *coverage) deps(ctx DepsContext, deps Deps) Deps {
-	if cov.Properties.NeedCoverageVariant {
+	if cov.Properties.NeedCoverageVariant && ctx.Device() {
 		ctx.AddVariationDependencies([]blueprint.Variation{
 			{Mutator: "link", Variation: "static"},
 		}, CoverageDepTag, getGcovProfileLibraryName(ctx))
@@ -184,19 +184,22 @@
 		if gcovCoverage {
 			flags.Local.LdFlags = append(flags.Local.LdFlags, "--coverage")
 
-			coverage := ctx.GetDirectDepWithTag(getGcovProfileLibraryName(ctx), CoverageDepTag).(*Module)
-			deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
-
-			flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,getenv")
+			if ctx.Device() {
+				coverage := ctx.GetDirectDepWithTag(getGcovProfileLibraryName(ctx), CoverageDepTag).(*Module)
+				deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
+				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,getenv")
+			}
 		} else if clangCoverage {
 			flags.Local.LdFlags = append(flags.Local.LdFlags, profileInstrFlag)
 			if EnableContinuousCoverage(ctx) {
 				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm=-runtime-counter-relocation")
 			}
 
-			coverage := ctx.GetDirectDepWithTag(getClangProfileLibraryName(ctx), CoverageDepTag).(*Module)
-			deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
-			flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,open")
+			if ctx.Device() {
+				coverage := ctx.GetDirectDepWithTag(getClangProfileLibraryName(ctx), CoverageDepTag).(*Module)
+				deps.WholeStaticLibs = append(deps.WholeStaticLibs, coverage.OutputFile().Path())
+				flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--wrap,open")
+			}
 		}
 	}
 
@@ -204,7 +207,7 @@
 }
 
 func (cov *coverage) begin(ctx BaseModuleContext) {
-	if ctx.Host() {
+	if ctx.Host() && !ctx.Os().Linux() {
 		// TODO(dwillemsen): because of -nodefaultlibs, we must depend on libclang_rt.profile-*.a
 		// Just turn off for now.
 	} else {
diff --git a/cc/fdo_profile.go b/cc/fdo_profile.go
index 0893da5..1a33957 100644
--- a/cc/fdo_profile.go
+++ b/cc/fdo_profile.go
@@ -43,23 +43,10 @@
 }
 
 // FdoProfileProvider is used to provide path to an fdo profile
-var FdoProfileProvider = blueprint.NewMutatorProvider[FdoProfileInfo]("fdo_profile")
-
-// FdoProfileMutatorInterface is the interface implemented by fdo_profile module type
-// module types that can depend on an fdo_profile module
-type FdoProfileMutatorInterface interface {
-	// FdoProfileMutator eithers set or get FdoProfileProvider
-	fdoProfileMutator(ctx android.BottomUpMutatorContext)
-}
-
-var _ FdoProfileMutatorInterface = (*fdoProfile)(nil)
+var FdoProfileProvider = blueprint.NewProvider[FdoProfileInfo]()
 
 // GenerateAndroidBuildActions of fdo_profile does not have any build actions
-func (fp *fdoProfile) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
-
-// FdoProfileMutator sets FdoProfileProvider to fdo_profile module
-// or sets afdo.Properties.FdoProfilePath to path in FdoProfileProvider of the depended fdo_profile
-func (fp *fdoProfile) fdoProfileMutator(ctx android.BottomUpMutatorContext) {
+func (fp *fdoProfile) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	if fp.properties.Profile != nil {
 		path := android.PathForModuleSrc(ctx, *fp.properties.Profile)
 		android.SetProvider(ctx, FdoProfileProvider, FdoProfileInfo{
@@ -68,14 +55,6 @@
 	}
 }
 
-// fdoProfileMutator calls the generic fdoProfileMutator function of fdoProfileMutator
-// which is implemented by cc and cc.FdoProfile
-func fdoProfileMutator(ctx android.BottomUpMutatorContext) {
-	if f, ok := ctx.Module().(FdoProfileMutatorInterface); ok {
-		f.fdoProfileMutator(ctx)
-	}
-}
-
 func FdoProfileFactory() android.Module {
 	m := &fdoProfile{}
 	m.AddProperties(&m.properties)
diff --git a/cc/lto.go b/cc/lto.go
index b2b4570..05fa8ee 100644
--- a/cc/lto.go
+++ b/cc/lto.go
@@ -100,7 +100,7 @@
 	lto.Properties.LtoEnabled = ltoEnabled
 }
 
-func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags {
+func (lto *lto) flags(ctx ModuleContext, flags Flags) Flags {
 	// TODO(b/131771163): CFI and Fuzzer controls LTO flags by themselves.
 	// This has be checked late because these properties can be mutated.
 	if ctx.isCfi() || ctx.isFuzzer() {
@@ -139,7 +139,7 @@
 		// Reduce the inlining threshold for a better balance of binary size and
 		// performance.
 		if !ctx.Darwin() {
-			if ctx.isAfdoCompile() {
+			if ctx.isAfdoCompile(ctx) {
 				ltoLdFlags = append(ltoLdFlags, "-Wl,-plugin-opt,-import-instr-limit=40")
 			} else {
 				ltoLdFlags = append(ltoLdFlags, "-Wl,-plugin-opt,-import-instr-limit=5")
diff --git a/rust/afdo.go b/rust/afdo.go
index 323ee36..6116c5e 100644
--- a/rust/afdo.go
+++ b/rust/afdo.go
@@ -44,14 +44,14 @@
 		if err != nil {
 			ctx.ModuleErrorf("%s", err.Error())
 		}
-		if fdoProfileName != nil {
+		if fdoProfileName != "" {
 			actx.AddFarVariationDependencies(
 				[]blueprint.Variation{
 					{Mutator: "arch", Variation: actx.Target().ArchVariation()},
 					{Mutator: "os", Variation: "android"},
 				},
 				cc.FdoProfileTag,
-				[]string{*fdoProfileName}...,
+				[]string{fdoProfileName}...,
 			)
 		}
 	}
diff --git a/rust/config/lints.go b/rust/config/lints.go
index 9322981..7770af0 100644
--- a/rust/config/lints.go
+++ b/rust/config/lints.go
@@ -44,6 +44,7 @@
 	// Default Rust lints that applies to Google-authored modules.
 	defaultRustcLints = []string{
 		"-A deprecated",
+		"-A unknown_lints",
 		"-D missing-docs",
 		"-D warnings",
 		"-D unsafe_op_in_unsafe_fn",
@@ -53,6 +54,7 @@
 	// deny.
 	defaultClippyLints = []string{
 		"-A clippy::type-complexity",
+		"-A clippy::unnecessary_fallible_conversions",
 		"-A clippy::unnecessary-wraps",
 		"-A clippy::unusual-byte-groupings",
 		"-A clippy::upper-case-acronyms",