diff --git a/src/acpi/Kconfig b/src/acpi/Kconfig
index 3b02070..a45a68c 100644
--- a/src/acpi/Kconfig
+++ b/src/acpi/Kconfig
@@ -8,13 +8,11 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_SB.CP%02X"
+	default "CP%02X"
 	depends on HAVE_ACPI_TABLES
 	help
 	  Specifies the ACPI name format string used by the acpigen
-	  function to generate the processor scope. Default is \_SB.CPxx.
-	  Note that you need to escape the '\' character in the string.
-	  The resulting string will be truncated to at most 15 chars.
+	  function to generate the processor scope. Default is CPxx.
 
 config ACPI_HAVE_PCAT_8259
 	def_bool y if !ACPI_NO_PCAT_8259
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index 6bc5875..9a9f5c5 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -391,7 +391,7 @@
 void acpigen_write_processor_namestring(unsigned int cpu_index)
 {
 	char buffer[16];
-	snprintf(buffer, sizeof(buffer), CONFIG_ACPI_CPU_STRING, cpu_index);
+	snprintf(buffer, sizeof(buffer), "\\_SB." CONFIG_ACPI_CPU_STRING, cpu_index);
 	acpigen_emit_namestring(buffer);
 }
 
@@ -1939,7 +1939,8 @@
 void acpigen_write_CPPC_method(void)
 {
 	char pscope[16];
-	snprintf(pscope, sizeof(pscope), CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
+	snprintf(pscope, sizeof(pscope),
+		 "\\_SB." CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
 
 	acpigen_write_method("_CPC", 0);
 	acpigen_emit_byte(RETURN_OP);
diff --git a/src/cpu/amd/pi/00730F01/Kconfig b/src/cpu/amd/pi/00730F01/Kconfig
index e72c61c..af56c96 100644
--- a/src/cpu/amd/pi/00730F01/Kconfig
+++ b/src/cpu/amd/pi/00730F01/Kconfig
@@ -10,6 +10,6 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_SB.P%03d"
+	default "P%03d"
 
 endif # CPU_AMD_PI_00730F01
diff --git a/src/soc/amd/common/block/cpu/Kconfig b/src/soc/amd/common/block/cpu/Kconfig
index f7946c3..857c8cb 100644
--- a/src/soc/amd/common/block/cpu/Kconfig
+++ b/src/soc/amd/common/block/cpu/Kconfig
@@ -35,7 +35,7 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_SB.C%03d"
+	default "C%03d"
 
 endif # SOC_AMD_COMMON_BLOCK_NONCAR
 
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index 49eca5d..f57111d 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -268,7 +268,7 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_SB.P%03d"
+	default "P%03d"
 
 config ACPI_SSDT_PSD_INDEPENDENT
 	default n
diff --git a/src/soc/intel/common/block/acpi/cpu_hybrid.c b/src/soc/intel/common/block/acpi/cpu_hybrid.c
index 6e8b641..9a7b768 100644
--- a/src/soc/intel/common/block/acpi/cpu_hybrid.c
+++ b/src/soc/intel/common/block/acpi/cpu_hybrid.c
@@ -158,7 +158,7 @@
 		snprintf(pkg_path, sizeof(pkg_path), CPPC_PACKAGE_NAME, 0);
 	else
 		snprintf(pkg_path, sizeof(pkg_path),
-			 CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
+			 "\\_SB." CONFIG_ACPI_CPU_STRING "." CPPC_PACKAGE_NAME, 0);
 
 	acpigen_write_method("_CPC", 0);
 
diff --git a/src/soc/intel/xeon_sp/spr/Kconfig b/src/soc/intel/xeon_sp/spr/Kconfig
index 15b915d..4db0529 100644
--- a/src/soc/intel/xeon_sp/spr/Kconfig
+++ b/src/soc/intel/xeon_sp/spr/Kconfig
@@ -25,7 +25,7 @@
 
 config ACPI_CPU_STRING
 	string
-	default "\\_SB.C%03X"
+	default "C%03X"
 
 config SIPI_FINAL_TIMEOUT
 	int