[MTE] Allow to specify default MTE mode on system property.

Bug: 216305376 Change-Id: Ia5c4ea723bd2a7480cd3649c15c841118fe8eecd
2022-02-08 18:04:41 -08:00
parent 26d4d356bd
commit 37791651fb
1 changed files with 6 additions and 0 deletions
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -1723,6 +1723,12 @@ public final class ProcessList {
            return Zygote.MEMORY_TAG_LEVEL_TBI;
        }

+        String defaultLevel = SystemProperties.get("persist.arm64.memtag.app_default");
+        if ("sync".equals(defaultLevel)) {
+            return Zygote.MEMORY_TAG_LEVEL_SYNC;
+        } else if ("async".equals(defaultLevel)) {
+            return Zygote.MEMORY_TAG_LEVEL_ASYNC;
+        }
        return Zygote.MEMORY_TAG_LEVEL_NONE;
    }