commit 9d3c20a2a315a4f339d5e16814fbec216c1efc16
author Seungjae Yoo <seungjaeyoo@google.com> Thu Sep 07 15:36:44 2023 +0900
committer Seungjae Yoo <seungjaeyoo@google.com> Fri Sep 08 11:41:07 2023 +0900
tree caf12708c340fe57dcfdf22770f8b1cb1746b1cd
parent 58b83d172366721a98a4e306a70f6334d104d012

Create full VM DTBO only once under /data/misc/virtualizationservice

Bug: 297103622
Test: adb shell /apex/com.android.virt/bin/vm run-microdroid --devices /sys/bus/platform/devices/16d00000.eh --protected
Change-Id: I4a6e7b7928edb93b6707202a9cc205fcf3994444

virtualizationservice/src/main.rs

diff --git a/virtualizationservice/src/main.rs b/virtualizationservice/src/main.rs
index 3af0d42..18b026d 100644
--- a/virtualizationservice/src/main.rs
+++ b/virtualizationservice/src/main.rs
@@ -28,8 +28,9 @@
 use anyhow::Error;
 use binder::{register_lazy_service, BinderFeatures, ProcessState, ThreadState};
 use log::{info, Level};
-use std::fs::read_dir;
+use std::fs::{create_dir, read_dir};
 use std::os::unix::raw::{pid_t, uid_t};
+use std::path::Path;
 
 const LOG_TAG: &str = "VirtualizationService";
 
@@ -56,6 +57,9 @@
 
     clear_temporary_files().expect("Failed to delete old temporary files");
 
+    let common_dir_path = Path::new(TEMPORARY_DIRECTORY).join("common");
+    create_dir(common_dir_path).expect("Failed to create common directory");
+
     ProcessState::start_thread_pool();
 
     let service = VirtualizationServiceInternal::init();