diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 2f24b578bcaf..9b5c2ac1739a 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -47,7 +47,7 @@ struct acpi_blacklist_item {
 	u32 is_critical_error;
 };
 
-static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst;
 
 /*
  * POLICY: If *anything* doesn't work, put it on the blacklist.
@@ -168,7 +168,7 @@ static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
 }
 #endif
 
-static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = {
 	{
 	.callback = dmi_disable_osi_vista,
 	.ident = "Fujitsu Siemens",
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ca4f28432d87..ae18affb7f4a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -63,7 +63,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
 }
 #endif
 
-static struct dmi_system_id dsdt_dmi_table[] __initdata = {
+static const struct dmi_system_id dsdt_dmi_table[] __initconst = {
 	/*
 	 * Invoke DSDT corruption work-around on all Toshiba Satellite.
 	 * https://bugzilla.kernel.org/show_bug.cgi?id=14679
@@ -79,7 +79,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 	{}
 };
 #else
-static struct dmi_system_id dsdt_dmi_table[] __initdata = {
+static const struct dmi_system_id dsdt_dmi_table[] __initconst = {
 	{}
 };
 #endif
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 2f24b578bcaf..9b5c2ac1739a 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -47,7 +47,7 @@ struct acpi_blacklist_item {
 	u32 is_critical_error;
 };
 
-static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst;
 
 /*
  * POLICY: If *anything* doesn't work, put it on the blacklist.
@@ -168,7 +168,7 @@ static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
 }
 #endif
 
-static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = {
 	{
 	.callback = dmi_disable_osi_vista,
 	.ident = "Fujitsu Siemens",
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ca4f28432d87..ae18affb7f4a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -63,7 +63,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
 }
 #endif
 
-static struct dmi_system_id dsdt_dmi_table[] __initdata = {
+static const struct dmi_system_id dsdt_dmi_table[] __initconst = {
 	/*
 	 * Invoke DSDT corruption work-around on all Toshiba Satellite.
 	 * https://bugzilla.kernel.org/show_bug.cgi?id=14679
@@ -79,7 +79,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 	{}
 };
 #else
-static struct dmi_system_id dsdt_dmi_table[] __initdata = {
+static const struct dmi_system_id dsdt_dmi_table[] __initconst = {
 	{}
 };
 #endif
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 43f20328f830..c1a103d81f6b 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1509,7 +1509,7 @@ static int ec_clear_on_resume(const struct dmi_system_id *id)
 	return 0;
 }
 
-static struct dmi_system_id ec_dmi_table[] __initdata = {
+static const struct dmi_system_id ec_dmi_table[] __initconst = {
 	{
 	ec_skip_dsdt_scan, "Compal JFL92", {
 	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
@@ -1616,7 +1616,7 @@ error:
 	return -ENODEV;
 }
 
-static int param_set_event_clearing(const char *val, struct kernel_param *kp)
+static int param_set_event_clearing(const char *val, const struct kernel_param *kp)
 {
 	int result = 0;
 
@@ -1634,7 +1634,7 @@ static int param_set_event_clearing(const char *val, struct kernel_param *kp)
 	return result;
 }
 
-static int param_get_event_clearing(char *buffer, struct kernel_param *kp)
+static int param_get_event_clearing(char *buffer, const struct kernel_param *kp)
 {
 	switch (ec_event_clearing) {
 	case ACPI_EC_EVT_TIMING_STATUS:
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index 7188e53b6b7c..6012bc465382 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -191,7 +191,7 @@ static int do_sta_before_sun(const struct dmi_system_id *d)
 	return 0;
 }
 
-static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = {
+static const struct dmi_system_id acpi_pci_slot_dmi_table[] __initconst = {
 	/*
 	 * Fujitsu Primequest machines will return 1023 to indicate an
 	 * error if the _SUN method is evaluated on SxFy objects that
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 7cfbda4d7c51..74f738cb6073 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -173,7 +173,7 @@ static int __init set_no_mwait(const struct dmi_system_id *id)
 	return 0;
 }
 
-static struct dmi_system_id processor_idle_dmi_table[] __initdata = {
+static const struct dmi_system_id processor_idle_dmi_table[] __initconst = {
 	{
 	set_no_mwait, "Extensa 5220", {
 	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4f07029de209..b57c10b9c75a 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -154,7 +154,7 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d)
 	return 0;
 }
 
-static struct dmi_system_id acpisleep_dmi_table[] __initdata = {
+static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
 	{
 	.callback = init_old_suspend_ordering,
 	.ident = "Abit KN9 (nForce4 variant)",
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 4b3a9e27f1b6..c80f3c28cfb3 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -227,7 +227,7 @@ module_param_cb(trace_method_name, &param_ops_trace_method, &trace_method_name,
 module_param_cb(trace_debug_layer, &param_ops_trace_attrib, &acpi_gbl_trace_dbg_layer, 0644);
 module_param_cb(trace_debug_level, &param_ops_trace_attrib, &acpi_gbl_trace_dbg_level, 0644);
 
-static int param_set_trace_state(const char *val, struct kernel_param *kp)
+static int param_set_trace_state(const char *val, const struct kernel_param *kp)
 {
 	acpi_status status;
 	const char *method = trace_method_name;
@@ -263,7 +263,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
 	return 0;
 }
 
-static int param_get_trace_state(char *buffer, struct kernel_param *kp)
+static int param_get_trace_state(char *buffer, const struct kernel_param *kp)
 {
 	if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED))
 		return sprintf(buffer, "disable");
@@ -292,7 +292,7 @@ MODULE_PARM_DESC(aml_debug_output,
 		 "To enable/disable the ACPI Debug Object output.");
 
 /* /sys/module/acpi/parameters/acpica_version */
-static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
+static int param_get_acpica_version(char *buffer, const struct kernel_param *kp)
 {
 	int result;
 
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 82707f9824ca..a6b19f584e6b 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1208,7 +1208,7 @@ static int thermal_psv(const struct dmi_system_id *d) {
 	return 0;
 }
 
-static struct dmi_system_id thermal_dmi_table[] __initdata = {
+static const struct dmi_system_id thermal_dmi_table[] __initconst = {
 	/*
 	 * Award BIOS on this AOpen makes thermal control almost worthless.
 	 * http://bugzilla.kernel.org/show_bug.cgi?id=8842