diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 54972f9fe804..13df676bad67 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -17,6 +17,7 @@ config IA64
 	select ARCH_MIGHT_HAVE_PC_SERIO
 	select ACPI
 	select ACPI_HOTPLUG_PRESENT_CPU if ACPI_PROCESSOR && HOTPLUG_CPU
+	select ACPI_HOTPLUG_IGNORE_OSC  if ACPI
 	select ACPI_NUMA if NUMA
 	select ARCH_ENABLE_MEMORY_HOTPLUG
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 295a7a3debb6..5fea3ce9594e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -61,6 +61,7 @@ config X86
 	select ACPI_LEGACY_TABLES_LOOKUP	if ACPI
 	select ACPI_SYSTEM_POWER_STATES_SUPPORT	if ACPI
 	select ACPI_HOTPLUG_PRESENT_CPU		if ACPI_PROCESSOR && HOTPLUG_CPU
+	select ACPI_HOTPLUG_IGNORE_OSC		if ACPI && HOTPLUG_CPU
 	select ARCH_32BIT_OFF_T			if X86_32
 	select ARCH_CLOCKSOURCE_INIT
 	select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 417f9f3077d2..c49978b4b11f 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -310,6 +310,15 @@ config ACPI_HOTPLUG_PRESENT_CPU
 	depends on ACPI_PROCESSOR && HOTPLUG_CPU
 	select ACPI_CONTAINER
 
+config ACPI_HOTPLUG_IGNORE_OSC
+	bool
+	depends on ACPI_HOTPLUG_PRESENT_CPU
+	help
+	  Ignore whether firmware acknowledged support for toggling the CPU
+	  present bit in _STA. Some architectures predate the _OSC bits, so
+	  firmware doesn't know to do this.
+
+
 config ACPI_PROCESSOR_AGGREGATOR
 	tristate "Processor Aggregator"
 	depends on ACPI_PROCESSOR
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index b49859eab01a..87926f22c857 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -181,6 +181,18 @@ static void __init acpi_pcc_cpufreq_init(void)
 static void __init acpi_pcc_cpufreq_init(void) {}
 #endif /* CONFIG_X86 */
 
+static bool acpi_processor_hotplug_present_supported(void)
+{
+	if (!IS_ENABLED(CONFIG_ACPI_HOTPLUG_PRESENT_CPU))
+		return false;
+
+	/* x86 systems pre-date the _OSC bit */
+	if (IS_ENABLED(CONFIG_ACPI_HOTPLUG_IGNORE_OSC))
+		return true;
+
+	return osc_sb_hotplug_present_support_acked;
+}
+
 /* Initialization */
 static int acpi_processor_make_present(struct acpi_processor *pr)
 {
@@ -188,7 +200,7 @@ static int acpi_processor_make_present(struct acpi_processor *pr)
 	acpi_status status;
 	int ret;
 
-	if (!IS_ENABLED(CONFIG_ACPI_HOTPLUG_PRESENT_CPU)) {
+	if (!acpi_processor_hotplug_present_supported()) {
 		pr_err_once("Changing CPU present bit is not supported\n");
 		return -ENODEV;
 	}
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index f41dda2d3493..123c28c2eda3 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -298,6 +298,13 @@ EXPORT_SYMBOL_GPL(osc_sb_native_usb4_support_confirmed);
 
 bool osc_sb_cppc2_support_acked;
 
+/*
+ * ACPI 6.? Proposed Operating System Capabilities for modifying CPU
+ * present/enable.
+ */
+bool osc_sb_hotplug_enabled_support_acked;
+bool osc_sb_hotplug_present_support_acked;
+
 static u8 sb_uuid_str[] = "0811B06E-4A27-44F9-8D60-3CBBC22E7B48";
 static void acpi_bus_osc_negotiate_platform_control(void)
 {
@@ -346,6 +353,11 @@ static void acpi_bus_osc_negotiate_platform_control(void)
 
 	if (!ghes_disable)
 		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_APEI_SUPPORT;
+
+	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_ENABLED_SUPPORT;
+	if (IS_ENABLED(CONFIG_ACPI_HOTPLUG_PRESENT_CPU))
+		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_PRESENT_SUPPORT;
+
 	if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
 		return;
 
@@ -383,6 +395,10 @@ static void acpi_bus_osc_negotiate_platform_control(void)
 			capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_NATIVE_USB4_SUPPORT;
 		osc_cpc_flexible_adr_space_confirmed =
 			capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_CPC_FLEXIBLE_ADR_SPACE;
+		osc_sb_hotplug_enabled_support_acked =
+			capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_HOTPLUG_ENABLED_SUPPORT;
+		osc_sb_hotplug_present_support_acked =
+			capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_HOTPLUG_PRESENT_SUPPORT;
 	}
 
 	kfree(context.ret.pointer);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 92cb25349a18..2ba7e0b10bcf 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -580,12 +580,16 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_NATIVE_USB4_SUPPORT		0x00040000
 #define OSC_SB_PRM_SUPPORT			0x00200000
 #define OSC_SB_FFH_OPR_SUPPORT			0x00400000
+#define OSC_SB_HOTPLUG_ENABLED_SUPPORT		0x00800000
+#define OSC_SB_HOTPLUG_PRESENT_SUPPORT		0x01000000
 
 extern bool osc_sb_apei_support_acked;
 extern bool osc_pc_lpi_support_confirmed;
 extern bool osc_sb_native_usb4_support_confirmed;
 extern bool osc_sb_cppc2_support_acked;
 extern bool osc_cpc_flexible_adr_space_confirmed;
+extern bool osc_sb_hotplug_enabled_support_acked;
+extern bool osc_sb_hotplug_present_support_acked;
 
 /* USB4 Capabilities */
 #define OSC_USB_USB3_TUNNELING			0x00000001
