Add VDSO global setting and mapping to sys property.
This will help us run P/H experiments by controlling the VDSO
system property through P/H.
Bug: 70518189
Test: Will manually test it later through opt-in P/H experiment.
Change-Id: I95fd51085aed229358e2cefd472da1116c6073b3
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 2ec4906..f98c8f6 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9622,6 +9622,17 @@
public static final String ALWAYS_ON_DISPLAY_CONSTANTS = "always_on_display_constants";
/**
+ * System VDSO global setting. This links to the "sys.vdso" system property.
+ * The following values are supported:
+ * false -> both 32 and 64 bit vdso disabled
+ * 32 -> 32 bit vdso enabled
+ * 64 -> 64 bit vdso enabled
+ * Any other value defaults to both 32 bit and 64 bit true.
+ * @hide
+ */
+ public static final String SYS_VDSO = "sys_vdso";
+
+ /**
* App standby (app idle) specific settings.
* This is encoded as a key=value list, separated by commas. Ex:
* <p>
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 7cfedc8..ce29c70 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -349,6 +349,7 @@
Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES,
Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES,
Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE,
+ Settings.Global.SYS_VDSO,
Settings.Global.TCP_DEFAULT_INIT_RWND,
Settings.Global.TETHER_DUN_APN,
Settings.Global.TETHER_DUN_REQUIRED,
diff --git a/services/core/java/com/android/server/am/GlobalSettingsToPropertiesMapper.java b/services/core/java/com/android/server/am/GlobalSettingsToPropertiesMapper.java
index 5632fc0..c9afc17 100644
--- a/services/core/java/com/android/server/am/GlobalSettingsToPropertiesMapper.java
+++ b/services/core/java/com/android/server/am/GlobalSettingsToPropertiesMapper.java
@@ -37,7 +37,8 @@
private static final String[][] sGlobalSettingsMapping = new String[][] {
// List mapping entries in the following format:
- // {Settings.Global.SETTING_NAME, "system_property_name"},
+ // {Settings.Global.SETTING_NAME, "system_property_name"},
+ {Settings.Global.SYS_VDSO, "sys.vdso"},
};