diff --git a/misc/config_tools/data/sample_launch_scripts/apl-mrb/acrn_guest.service b/misc/config_tools/data/sample_launch_scripts/apl-mrb/acrn_guest.service
index 502b6ca02..08a883519 100644
--- a/misc/config_tools/data/sample_launch_scripts/apl-mrb/acrn_guest.service
+++ b/misc/config_tools/data/sample_launch_scripts/apl-mrb/acrn_guest.service
@@ -5,7 +5,7 @@ After=weston.service
 After=systemd-resolved.service
 
 ConditionPathExists=/sys/kernel/gvt
-ConditionPathExists=/dev/acrn_vhm 
+ConditionPathExists=/dev/acrn_hsm
 
 [Service]
 Type=simple
diff --git a/misc/config_tools/data/sample_launch_scripts/apl-mrb/launch_uos.sh b/misc/config_tools/data/sample_launch_scripts/apl-mrb/launch_uos.sh
index 024dbe584..ae412eb92 100755
--- a/misc/config_tools/data/sample_launch_scripts/apl-mrb/launch_uos.sh
+++ b/misc/config_tools/data/sample_launch_scripts/apl-mrb/launch_uos.sh
@@ -2,13 +2,6 @@
 # Copyright (C) 2019 Intel Corporation.
 # SPDX-License-Identifier: BSD-3-Clause
 
-offline_path="/sys/class/vhm/acrn_vhm"
-
-# Check the device file of /dev/acrn_hsm to determine the offline_path
-if [ -e "/dev/acrn_hsm" ]; then
-offline_path="/sys/class/acrn/acrn_hsm"
-fi
-
 kernel_version=$(uname -r)
 audio_module="/usr/lib/modules/$kernel_version/kernel/sound/soc/intel/boards/snd-soc-sst_bxt_sos_tdf8532.ko"
 ipu_passthrough=0
@@ -572,7 +565,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > ${offline_path}/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/apl-up2/launch_uos.sh b/misc/config_tools/data/sample_launch_scripts/apl-up2/launch_uos.sh
index c31f789f8..e83b49edf 100755
--- a/misc/config_tools/data/sample_launch_scripts/apl-up2/launch_uos.sh
+++ b/misc/config_tools/data/sample_launch_scripts/apl-up2/launch_uos.sh
@@ -2,13 +2,6 @@
 # Copyright (C) 2019 Intel Corporation.
 # SPDX-License-Identifier: BSD-3-Clause
 
-offline_path="/sys/class/vhm/acrn_vhm"
-
-# Check the device file of /dev/acrn_hsm to determine the offline_path
-if [ -e "/dev/acrn_hsm" ]; then
-offline_path="/sys/class/acrn/acrn_hsm"
-fi
-
 kernel_version=$(uname -r | awk -F. '{ printf("%d.%d", $1,$2) }')
 
 ipu_passthrough=0
@@ -459,7 +452,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > ${offline_path}/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/launch_ubuntu.sh b/misc/config_tools/data/sample_launch_scripts/launch_ubuntu.sh
index 40d84b21d..df86408df 100755
--- a/misc/config_tools/data/sample_launch_scripts/launch_ubuntu.sh
+++ b/misc/config_tools/data/sample_launch_scripts/launch_ubuntu.sh
@@ -42,7 +42,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/nuc/launch_hard_rt_vm.sh b/misc/config_tools/data/sample_launch_scripts/nuc/launch_hard_rt_vm.sh
index 0bff6168c..d5e0db461 100755
--- a/misc/config_tools/data/sample_launch_scripts/nuc/launch_hard_rt_vm.sh
+++ b/misc/config_tools/data/sample_launch_scripts/nuc/launch_hard_rt_vm.sh
@@ -71,7 +71,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         echo cpu$idx online=$online
         if [ "$online" = "1" ]; then
                 echo 0 > $i/online
-                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/nuc/launch_uos.sh b/misc/config_tools/data/sample_launch_scripts/nuc/launch_uos.sh
index a9bfb9531..bb7cf9861 100755
--- a/misc/config_tools/data/sample_launch_scripts/nuc/launch_uos.sh
+++ b/misc/config_tools/data/sample_launch_scripts/nuc/launch_uos.sh
@@ -2,14 +2,6 @@
 # Copyright (C) 2019 Intel Corporation.
 # SPDX-License-Identifier: BSD-3-Clause
 
-offline_path="/sys/class/vhm/acrn_vhm"
-
-# Check the device file of /dev/acrn_hsm to determine the offline_path
-if [ -e "/dev/acrn_hsm" ]; then
-offline_path="/sys/class/acrn/acrn_hsm"
-fi
-
-
 function run_container()
 {
 vm_name=vm1
@@ -134,7 +126,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > ${offline_path}/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/nuc/launch_vxworks.sh b/misc/config_tools/data/sample_launch_scripts/nuc/launch_vxworks.sh
index f5e647e1a..9511a531c 100755
--- a/misc/config_tools/data/sample_launch_scripts/nuc/launch_vxworks.sh
+++ b/misc/config_tools/data/sample_launch_scripts/nuc/launch_vxworks.sh
@@ -49,7 +49,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/nuc/launch_xenomai.sh b/misc/config_tools/data/sample_launch_scripts/nuc/launch_xenomai.sh
index 3112beda8..6609d2640 100755
--- a/misc/config_tools/data/sample_launch_scripts/nuc/launch_xenomai.sh
+++ b/misc/config_tools/data/sample_launch_scripts/nuc/launch_xenomai.sh
@@ -215,7 +215,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         echo cpu$idx online=$online
         if [ "$online" = "1" ]; then
                 echo 0 > $i/online
-                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/data/sample_launch_scripts/nuc/launch_zephyr.sh b/misc/config_tools/data/sample_launch_scripts/nuc/launch_zephyr.sh
index 0ff97f858..e2b5a92d9 100755
--- a/misc/config_tools/data/sample_launch_scripts/nuc/launch_zephyr.sh
+++ b/misc/config_tools/data/sample_launch_scripts/nuc/launch_zephyr.sh
@@ -37,7 +37,7 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
 			echo 0 > $i/online
 			online=`cat $i/online`
 		done
-                echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
+                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu
         fi
 done
 
diff --git a/misc/config_tools/launch_config/com.py b/misc/config_tools/launch_config/com.py
index 8efeed4e9..f71082743 100644
--- a/misc/config_tools/launch_config/com.py
+++ b/misc/config_tools/launch_config/com.py
@@ -89,14 +89,6 @@ def off_line_cpus(args, vmid, uos_type, config):
         key = "scenario config error"
         launch_cfg_lib.ERR_LIST[key] = "No available cpu to offline and pass it to vm {}".format(vmid)
 
-    print('offline_path="/sys/class/vhm/acrn_vhm"', file=config)
-    print("", file=config)
-
-    print("# Check the device file of /dev/acrn_hsm to determine the offline_path", file=config)
-    print('if [ -e "/dev/acrn_hsm" ]; then', file=config)
-    print('offline_path="/sys/class/acrn/acrn_hsm"', file=config)
-    print('fi', file=config)
-    print("", file=config)
     print("# offline pinned vCPUs from SOS before launch UOS", file=config)
     print('cpu_path="/sys/devices/system/cpu"', file=config)
     print("for i in `ls ${cpu_path}`; do", file=config)
@@ -114,7 +106,7 @@ def off_line_cpus(args, vmid, uos_type, config):
     print("                    echo 0 > ${cpu_path}/$i/online", file=config)
     print("                    online=`cat ${cpu_path}/$i/online`", file=config)
     print("                done", file=config)
-    print("                echo $idx > ${offline_path}/offline_cpu", file=config)
+    print("                echo $idx > /sys/devices/virtual/misc/acrn_hsm/remove_cpu", file=config)
     print("            fi", file=config)
     print("        fi", file=config)
     print("    done", file=config)
diff --git a/misc/services/acrn_manager/acrnd.service b/misc/services/acrn_manager/acrnd.service
index e18b1a632..ceeeee8aa 100644
--- a/misc/services/acrn_manager/acrnd.service
+++ b/misc/services/acrn_manager/acrnd.service
@@ -3,7 +3,7 @@ Description=ACRN manager deamon
 After=weston.service
 After=systemd-resolved.service
 ConditionPathExists=/sys/kernel/gvt
-ConditionPathExists=/dev/acrn_vhm
+ConditionPathExists=/dev/acrn_hsm
 
 [Service]
 Type=simple