Merge "STOPSHIP: sys.vdso reflector for experiments"

LineageOS · Jan 10, 2018 · 346b883 · 346b883
2 parents fb4121d + 96c77a7
commit 346b883
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Showing 4 changed files with 25 additions and 0 deletions.
diff --git a/init.common.diag.rc.userdebug b/init.common.diag.rc.userdebug
@@ -136,3 +136,18 @@ on property:sys.logger.bluetooth=true
 on property:sys.logger.bluetooth=false
    setprop persist.service.bdroid.snooplog false
    setprop persist.service.bdroid.fwsnoop false
+
+# b/70518189 vDSO experiments
+on property:sys.vdso=*
+   write /sys/module/vdso/parameters/enable_32 1
+   write /sys/module/vdso/parameters/enable_64 1
+
+on property:sys.vdso=false
+   write /sys/module/vdso/parameters/enable_32 0
+   write /sys/module/vdso/parameters/enable_64 0
+
+on property:sys.vdso=64
+   write /sys/module/vdso/parameters/enable_32 0
+
+on property:sys.vdso=32
+   write /sys/module/vdso/parameters/enable_64 0
diff --git a/sepolicy/file.te b/sepolicy/file.te
@@ -36,6 +36,8 @@ type sysfs_video, sysfs_type, fs_type;
 type sysfs_wifi, sysfs_type, fs_type, mlstrustedobject;
 type sysfs_diag, fs_type, sysfs_type;
 type sysfs_scsi_devices_0000, sysfs_type, fs_type;
+# b/70518189 vDSO experiments
+type sysfs_vdso, fs_type, sysfs_type;
 
 # debugfs
 type debugfs_msm_core, debugfs_type, fs_type;

diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
@@ -202,3 +202,6 @@
 
 # hidraw dynamic sensor
 /dev/hidraw[0-9]+            u:object_r:sensors_device:s0
+
+# b/70518189 vDSO experiments
+/sys/module/vdso/parameters  u:object_r:sysfs_vdso:s0
diff --git a/sepolicy/init.te b/sepolicy/init.te
@@ -10,3 +10,8 @@ allow init sysfs_type:lnk_file read;
 allow init firmware_file:dir mounton;
 allow init persist_file:dir mounton;
 allow init userdata_block_device:blk_file { write };
+
+# b/70518189 vDSO experiments
+userdebug_or_eng(`
+allow init sysfs_vdso:file w_file_perms;
+')