Merge back earlier ACPICA material.

Conflicts:
	drivers/acpi/acpica/acglobal.h

Documentation/kernel-parameters.txt

@@ -237,7 +237,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			This feature is enabled by default.
 			This option allows to turn off the feature.
 
-	acpi_no_auto_ssdt	[HW,ACPI] Disable automatic loading of SSDT
+	acpi_no_static_ssdt	[HW,ACPI]
+			Disable installation of static SSDTs at early boot time
+			By default, SSDTs contained in the RSDT/XSDT will be
+			installed automatically and they will appear under
+			/sys/firmware/acpi/tables.
+			This option turns off this feature.
+			Note that specifying this option does not affect
+			dynamic table installation which will install SSDT
+			tables to /sys/firmware/acpi/tables/dynamic.
 
 	acpica_no_return_repair [HW, ACPI]
 			Disable AML predefined validation mechanism

drivers/acpi/acpica/Makefile

@@ -135,6 +135,7 @@ acpi-y +=		\
 	rsxface.o
 
 acpi-y +=		\
+	tbdata.o	\
 	tbfadt.o	\
 	tbfind.o	\
 	tbinstal.o	\

drivers/acpi/acpica/acapps.h

+/******************************************************************************
+ *
+ * Module Name: acapps - common include for ACPI applications/tools
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _ACAPPS
+#define _ACAPPS
+
+/* Common info for tool signons */
+
+#define ACPICA_NAME                 "Intel ACPI Component Architecture"
+#define ACPICA_COPYRIGHT            "Copyright (c) 2000 - 2014 Intel Corporation"
+
+#if ACPI_MACHINE_WIDTH == 64
+#define ACPI_WIDTH          "-64"
+
+#elif ACPI_MACHINE_WIDTH == 32
+#define ACPI_WIDTH          "-32"
+
+#else
+#error unknown ACPI_MACHINE_WIDTH
+#define ACPI_WIDTH          "-??"
+
+#endif
+
+/* Macros for signons and file headers */
+
+#define ACPI_COMMON_SIGNON(utility_name) \
+	"\n%s\n%s version %8.8X%s [%s]\n%s\n\n", \
+	ACPICA_NAME, \
+	utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+	ACPICA_COPYRIGHT
+
+#define ACPI_COMMON_HEADER(utility_name, prefix) \
+	"%s%s\n%s%s version %8.8X%s [%s]\n%s%s\n%s\n", \
+	prefix, ACPICA_NAME, \
+	prefix, utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \
+	prefix, ACPICA_COPYRIGHT, \
+	prefix
+
+/* Macros for usage messages */
+
+#define ACPI_USAGE_HEADER(usage) \
+	printf ("Usage: %s\nOptions:\n", usage);
+
+#define ACPI_OPTION(name, description) \
+	printf ("  %-18s%s\n", name, description);
+
+#define FILE_SUFFIX_DISASSEMBLY     "dsl"
+#define ACPI_TABLE_FILE_SUFFIX      ".dat"
+
+/*
+ * getopt
+ */
+int acpi_getopt(int argc, char **argv, char *opts);
+
+int acpi_getopt_argument(int argc, char **argv);
+
+extern int acpi_gbl_optind;
+extern int acpi_gbl_opterr;
+extern int acpi_gbl_sub_opt_char;
+extern char *acpi_gbl_optarg;
+
+/*
+ * cmfsize - Common get file size function
+ */
+u32 cm_get_file_size(FILE * file);
+
+#ifndef ACPI_DUMP_APP
+/*
+ * adisasm
+ */
+acpi_status
+ad_aml_disassemble(u8 out_to_file,
+		   char *filename, char *prefix, char **out_filename);
+
+void ad_print_statistics(void);
+
+acpi_status ad_find_dsdt(u8 **dsdt_ptr, u32 *dsdt_length);
+
+void ad_dump_tables(void);
+
+acpi_status ad_get_local_tables(void);
+
+acpi_status
+ad_parse_table(struct acpi_table_header *table,
+	       acpi_owner_id * owner_id, u8 load_table, u8 external);
+
+acpi_status ad_display_tables(char *filename, struct acpi_table_header *table);
+
+acpi_status ad_display_statistics(void);
+
+/*
+ * adwalk
+ */
+void
+acpi_dm_cross_reference_namespace(union acpi_parse_object *parse_tree_root,
+				  struct acpi_namespace_node *namespace_root,
+				  acpi_owner_id owner_id);
+
+void acpi_dm_dump_tree(union acpi_parse_object *origin);
+
+void acpi_dm_find_orphan_methods(union acpi_parse_object *origin);
+
+void
+acpi_dm_finish_namespace_load(union acpi_parse_object *parse_tree_root,
+			      struct acpi_namespace_node *namespace_root,
+			      acpi_owner_id owner_id);
+
+void
+acpi_dm_convert_resource_indexes(union acpi_parse_object *parse_tree_root,
+				 struct acpi_namespace_node *namespace_root);
+
+/*
+ * adfile
+ */
+acpi_status ad_initialize(void);
+
+char *fl_generate_filename(char *input_filename, char *suffix);
+
+acpi_status
+fl_split_input_pathname(char *input_path,
+			char **out_directory_path, char **out_filename);
+
+char *ad_generate_filename(char *prefix, char *table_id);
+
+void
+ad_write_table(struct acpi_table_header *table,
+	       u32 length, char *table_name, char *oem_table_id);
+#endif
+
+#endif				/* _ACAPPS */

drivers/acpi/acpica/acevents.h

@@ -104,9 +104,10 @@ acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);
  */
 acpi_status
 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
-			 struct acpi_generic_address *gpe_block_address,
+			 u64 address,
+			 u8 space_id,
 			 u32 register_count,
-			 u8 gpe_block_base_number,
+			 u16 gpe_block_base_number,
 			 u32 interrupt_number,
 			 struct acpi_gpe_block_info **return_gpe_block);
 

drivers/acpi/acpica/acglobal.h

@@ -44,144 +44,14 @@
 #ifndef __ACGLOBAL_H__
 #define __ACGLOBAL_H__
 
-/*
- * Ensure that the globals are actually defined and initialized only once.
- *
- * The use of these macros allows a single list of globals (here) in order
- * to simplify maintenance of the code.
- */
-#ifdef DEFINE_ACPI_GLOBALS
-#define ACPI_GLOBAL(type,name) \
-	extern type name; \
-	type name
-
-#define ACPI_INIT_GLOBAL(type,name,value) \
-	type name=value
-
-#else
-#define ACPI_GLOBAL(type,name) \
-	extern type name
-
-#define ACPI_INIT_GLOBAL(type,name,value) \
-	extern type name
-#endif
-
-#ifdef DEFINE_ACPI_GLOBALS
-
-/* Public globals, available from outside ACPICA subsystem */
-
 /*****************************************************************************
  *
- * Runtime configuration (static defaults that can be overriden at runtime)
+ * Globals related to the ACPI tables
  *
  ****************************************************************************/
 
-/*
- * Enable "slack" in the AML interpreter?  Default is FALSE, and the
- * interpreter strictly follows the ACPI specification. Setting to TRUE
- * allows the interpreter to ignore certain errors and/or bad AML constructs.
- *
- * Currently, these features are enabled by this flag:
- *
- * 1) Allow "implicit return" of last value in a control method
- * 2) Allow access beyond the end of an operation region
- * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
- * 4) Allow ANY object type to be a source operand for the Store() operator
- * 5) Allow unresolved references (invalid target name) in package objects
- * 6) Enable warning messages for behavior that is not ACPI spec compliant
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
+/* Master list of all ACPI tables that were found in the RSDT/XSDT */
 
-/*
- * Automatically serialize all methods that create named objects? Default
- * is TRUE, meaning that all non_serialized methods are scanned once at
- * table load time to determine those that create named objects. Methods
- * that create named objects are marked Serialized in order to prevent
- * possible run-time problems if they are entered by more than one thread.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
-
-/*
- * Create the predefined _OSI method in the namespace? Default is TRUE
- * because ACPI CA is fully compatible with other ACPI implementations.
- * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
-
-/*
- * Optionally use default values for the ACPI register widths. Set this to
- * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
-
-/*
- * Optionally enable output from the AML Debug Object.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
-
-/*
- * Optionally copy the entire DSDT to local memory (instead of simply
- * mapping it.) There are some BIOSs that corrupt or replace the original
- * DSDT, creating the need for this option. Default is FALSE, do not copy
- * the DSDT.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
-
-/*
- * Optionally ignore an XSDT if present and use the RSDT instead.
- * Although the ACPI specification requires that an XSDT be used instead
- * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
- * some machines. Default behavior is to use the XSDT if present.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
-
-/*
- * Optionally use 32-bit FADT addresses if and when there is a conflict
- * (address mismatch) between the 32-bit and 64-bit versions of the
- * address. Although ACPICA adheres to the ACPI specification which
- * requires the use of the corresponding 64-bit address if it is non-zero,
- * some machines have been found to have a corrupted non-zero 64-bit
- * address. Default is TRUE, favor the 32-bit addresses.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
-
-/*
- * Optionally truncate I/O addresses to 16 bits. Provides compatibility
- * with other ACPI implementations. NOTE: During ACPICA initialization,
- * this value is set to TRUE if any Windows OSI strings have been
- * requested by the BIOS.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
-
-/*
- * Disable runtime checking and repair of values returned by control methods.
- * Use only if the repair is causing a problem on a particular machine.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
-
-/*
- * Optionally do not load any SSDTs from the RSDT/XSDT during initialization.
- * This can be useful for debugging ACPI problems on some machines.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_load, FALSE);
-
-/*
- * We keep track of the latest version of Windows that has been requested by
- * the BIOS.
- */
-ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
-
-#endif				/* DEFINE_ACPI_GLOBALS */
-
-/*****************************************************************************
- *
- * ACPI Table globals
- *
- ****************************************************************************/
-
-/*
- * Master list of all ACPI tables that were found in the RSDT/XSDT.
- */
 ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
 
 /* DSDT information. Used to check for DSDT corruption */
@@ -279,7 +149,6 @@ ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
-ACPI_GLOBAL(struct acpi_walk_state *, acpi_gbl_breakpoint_walk);
 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
 
@@ -296,7 +165,6 @@ ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
 /* Misc */
 
 ACPI_GLOBAL(u32, acpi_gbl_original_mode);
-ACPI_GLOBAL(u32, acpi_gbl_rsdp_original_location);
 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
@@ -483,11 +351,6 @@ ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
 ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
 ACPI_GLOBAL(u32, acpi_gbl_num_objects);
 
-ACPI_GLOBAL(u32, acpi_gbl_size_of_parse_tree);
-ACPI_GLOBAL(u32, acpi_gbl_size_of_method_trees);
-ACPI_GLOBAL(u32, acpi_gbl_size_of_node_entries);
-ACPI_GLOBAL(u32, acpi_gbl_size_of_acpi_objects);
-
 #endif				/* ACPI_DEBUGGER */
 
 /*****************************************************************************
@@ -509,5 +372,6 @@ ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
  ****************************************************************************/
 
 extern const struct ah_predefined_name asl_predefined_info[];
+extern const struct ah_device_id asl_device_ids[];
 
 #endif				/* __ACGLOBAL_H__ */

drivers/acpi/acpica/aclocal.h

@@ -450,9 +450,9 @@ struct acpi_gpe_event_info {
 struct acpi_gpe_register_info {
 	struct acpi_generic_address status_address;	/* Address of status reg */
 	struct acpi_generic_address enable_address;	/* Address of enable reg */
+	u16 base_gpe_number;	/* Base GPE number for this register */
 	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
 	u8 enable_for_run;	/* GPEs to keep enabled when running */
-	u8 base_gpe_number;	/* Base GPE number for this register */
 };
 
 /*
@@ -466,11 +466,12 @@ struct acpi_gpe_block_info {
 	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
 	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
 	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
-	struct acpi_generic_address block_address;	/* Base address of the block */
+	u64 address;		/* Base address of the block */
 	u32 register_count;	/* Number of register pairs in block */
 	u16 gpe_count;		/* Number of individual GPEs in block */
-	u8 block_base_number;	/* Base GPE number for this block */
-	u8 initialized;         /* TRUE if this block is initialized */
+	u16 block_base_number;	/* Base GPE number for this block */
+	u8 space_id;
+	u8 initialized;		/* TRUE if this block is initialized */
 };
 
 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
@@ -733,7 +734,8 @@ union acpi_parse_value {
 #define ACPI_DASM_MATCHOP               0x06	/* Parent opcode is a Match() operator */
 #define ACPI_DASM_LNOT_PREFIX           0x07	/* Start of a Lnot_equal (etc.) pair of opcodes */
 #define ACPI_DASM_LNOT_SUFFIX           0x08	/* End  of a Lnot_equal (etc.) pair of opcodes */
-#define ACPI_DASM_IGNORE                0x09	/* Not used at this time */
+#define ACPI_DASM_HID_STRING            0x09	/* String is a _HID or _CID */
+#define ACPI_DASM_IGNORE                0x0A	/* Not used at this time */
 
 /*
  * Generic operation (for example:  If, While, Store)
@@ -1147,4 +1149,9 @@ struct ah_predefined_name {
 #endif
 };
 
+struct ah_device_id {
+	char *name;
+	char *description;
+};
+
 #endif				/* __ACLOCAL_H__ */

drivers/acpi/acpica/acpredef.h

@@ -586,6 +586,10 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
 	{{"_LID", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
 
+	{{"_LPD", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Variable-length (1 Int(rev), n Pkg (2 Int) */
+	PACKAGE_INFO(ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0),
+
 	{{"_MAT", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
 

drivers/acpi/acpica/actables.h

@@ -53,6 +53,26 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
 
 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
 
+/*
+ * tbdata - table data structure management
+ */
+acpi_status acpi_tb_get_next_root_index(u32 *table_index);
+
+void
+acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
+			      acpi_physical_address address,
+			      u8 flags, struct acpi_table_header *table);
+
+acpi_status
+acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
+			   acpi_physical_address address, u8 flags);
+
+void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
+
+u8 acpi_tb_is_table_loaded(u32 table_index);
+
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
+
 /*
  * tbfadt - FADT parse/convert/validate
  */
@@ -72,22 +92,35 @@ acpi_tb_find_table(char *signature,
  */
 acpi_status acpi_tb_resize_root_table_list(void);
 
-acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
+acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc);
 
-struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
-						 *table_header,
-						 struct acpi_table_desc
-						 *table_desc);
+void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
 
 acpi_status
-acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index);
+acpi_tb_verify_table(struct acpi_table_desc *table_desc, char *signature);
+
+void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
+
+acpi_status
+acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
+		      struct acpi_table_header **table_ptr,
+		      u32 *table_length, u8 *table_flags);
+
+void
+acpi_tb_release_table(struct acpi_table_header *table,
+		      u32 table_length, u8 table_flags);
+
+acpi_status
+acpi_tb_install_standard_table(acpi_physical_address address,
+			       u8 flags,
+			       u8 reload, u8 override, u32 *table_index);
 
 acpi_status
 acpi_tb_store_table(acpi_physical_address address,
 		    struct acpi_table_header *table,
 		    u32 length, u8 flags, u32 *table_index);
 
-void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
+void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc);
 
 void acpi_tb_terminate(void);
 
@@ -99,10 +132,6 @@ acpi_status acpi_tb_release_owner_id(u32 table_index);
 
 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
 
-u8 acpi_tb_is_table_loaded(u32 table_index);
-
-void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
-
 /*
  * tbutils - table manager utilities
  */
@@ -124,8 +153,13 @@ void acpi_tb_check_dsdt_header(void);
 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
 
 void
-acpi_tb_install_table(acpi_physical_address address,
-		      char *signature, u32 table_index);
+acpi_tb_install_table_with_override(u32 table_index,
+				    struct acpi_table_desc *new_table_desc,
+				    u8 override);
+
+acpi_status
+acpi_tb_install_fixed_table(acpi_physical_address address,
+			    char *signature, u32 table_index);
 
 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
 

drivers/acpi/acpica/acutils.h

@@ -176,8 +176,7 @@ acpi_status acpi_ut_init_globals(void);
 
 char *acpi_ut_get_mutex_name(u32 mutex_id);
 
-const char *acpi_ut_get_notify_name(u32 notify_value);
-
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type);
 #endif
 
 char *acpi_ut_get_type_name(acpi_object_type type);
@@ -737,4 +736,11 @@ acpi_ut_method_error(const char *module_name,
 		     struct acpi_namespace_node *node,
 		     const char *path, acpi_status lookup_status);
 
+/*
+ * Utility functions for ACPI names and IDs
+ */
+const struct ah_predefined_name *acpi_ah_match_predefined_name(char *nameseg);
+
+const struct ah_device_id *acpi_ah_match_hardware_id(char *hid);
+
 #endif				/* _ACUTILS_H */

drivers/acpi/acpica/evgpe.c

@@ -383,7 +383,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
 			if (!(gpe_register_info->enable_for_run |
 			      gpe_register_info->enable_for_wake)) {
 				ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
-						  "Ignore disabled registers for GPE%02X-GPE%02X: "
+						  "Ignore disabled registers for GPE %02X-%02X: "
 						  "RunEnable=%02X, WakeEnable=%02X\n",
 						  gpe_register_info->
 						  base_gpe_number,
@@ -416,7 +416,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
 			}
 
 			ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
-					  "Read registers for GPE%02X-GPE%02X: Status=%02X, Enable=%02X, "
+					  "Read registers for GPE %02X-%02X: Status=%02X, Enable=%02X, "
 					  "RunEnable=%02X, WakeEnable=%02X\n",
 					  gpe_register_info->base_gpe_number,
 					  gpe_register_info->base_gpe_number +
@@ -706,7 +706,8 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
 		status = acpi_hw_clear_gpe(gpe_event_info);
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status,
-					"Unable to clear GPE%02X", gpe_number));
+					"Unable to clear GPE %02X",
+					gpe_number));
 			return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
 		}
 	}
@@ -723,7 +724,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
 	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status,
-				"Unable to disable GPE%02X", gpe_number));
+				"Unable to disable GPE %02X", gpe_number));
 		return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
 	}
 
@@ -764,7 +765,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
 					 gpe_event_info);
 		if (ACPI_FAILURE(status)) {
 			ACPI_EXCEPTION((AE_INFO, status,
-					"Unable to queue handler for GPE%02X - event disabled",
+					"Unable to queue handler for GPE %02X - event disabled",
 					gpe_number));
 		}
 		break;
@@ -776,7 +777,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
 		 * a GPE to be enabled if it has no handler or method.
 		 */
 		ACPI_ERROR((AE_INFO,
-			    "No handler or method for GPE%02X, disabling event",
+			    "No handler or method for GPE %02X, disabling event",
 			    gpe_number));
 
 		break;

drivers/acpi/acpica/evgpeblk.c

@@ -252,21 +252,17 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
 
 		/* Init the register_info for this GPE register (8 GPEs) */
 
-		this_register->base_gpe_number =
-		    (u8) (gpe_block->block_base_number +
-			  (i * ACPI_GPE_REGISTER_WIDTH));
+		this_register->base_gpe_number = (u16)
+		    (gpe_block->block_base_number +
+		     (i * ACPI_GPE_REGISTER_WIDTH));
 
-		this_register->status_address.address =
-		    gpe_block->block_address.address + i;
+		this_register->status_address.address = gpe_block->address + i;
 
 		this_register->enable_address.address =
-		    gpe_block->block_address.address + i +
-		    gpe_block->register_count;
+		    gpe_block->address + i + gpe_block->register_count;
 
-		this_register->status_address.space_id =
-		    gpe_block->block_address.space_id;
-		this_register->enable_address.space_id =
-		    gpe_block->block_address.space_id;
+		this_register->status_address.space_id = gpe_block->space_id;
+		this_register->enable_address.space_id = gpe_block->space_id;
 		this_register->status_address.bit_width =
 		    ACPI_GPE_REGISTER_WIDTH;
 		this_register->enable_address.bit_width =
@@ -334,9 +330,10 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
 
 acpi_status
 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
-			 struct acpi_generic_address *gpe_block_address,
+			 u64 address,
+			 u8 space_id,
 			 u32 register_count,
-			 u8 gpe_block_base_number,
+			 u16 gpe_block_base_number,
 			 u32 interrupt_number,
 			 struct acpi_gpe_block_info **return_gpe_block)
 {
@@ -359,15 +356,14 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
 
 	/* Initialize the new GPE block */
 
+	gpe_block->address = address;
+	gpe_block->space_id = space_id;
 	gpe_block->node = gpe_device;
 	gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH);
 	gpe_block->initialized = FALSE;
 	gpe_block->register_count = register_count;
 	gpe_block->block_base_number = gpe_block_base_number;
 
-	ACPI_MEMCPY(&gpe_block->block_address, gpe_block_address,
-		    sizeof(struct acpi_generic_address));
-
 	/*
 	 * Create the register_info and event_info sub-structures
 	 * Note: disables and clears all GPEs in the block
@@ -408,12 +404,14 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
 	}
 
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "    Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X\n",
+			      "    Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n",
 			      (u32)gpe_block->block_base_number,
 			      (u32)(gpe_block->block_base_number +
 				    (gpe_block->gpe_count - 1)),
 			      gpe_device->name.ascii, gpe_block->register_count,
-			      interrupt_number));
+			      interrupt_number,
+			      interrupt_number ==
+			      acpi_gbl_FADT.sci_interrupt ? " (SCI)" : ""));
 
 	/* Update global count of currently available GPEs */
 

drivers/acpi/acpica/evgpeinit.c

@@ -131,8 +131,10 @@ acpi_status acpi_ev_gpe_initialize(void)
 		/* Install GPE Block 0 */
 
 		status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-						  &acpi_gbl_FADT.xgpe0_block,
-						  register_count0, 0,
+						  acpi_gbl_FADT.xgpe0_block.
+						  address,
+						  acpi_gbl_FADT.xgpe0_block.
+						  space_id, register_count0, 0,
 						  acpi_gbl_FADT.sci_interrupt,
 						  &acpi_gbl_gpe_fadt_blocks[0]);
 
@@ -169,8 +171,10 @@ acpi_status acpi_ev_gpe_initialize(void)
 
 			status =
 			    acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
-						     &acpi_gbl_FADT.xgpe1_block,
-						     register_count1,
+						     acpi_gbl_FADT.xgpe1_block.
+						     address,
+						     acpi_gbl_FADT.xgpe1_block.
+						     space_id, register_count1,
 						     acpi_gbl_FADT.gpe1_base,
 						     acpi_gbl_FADT.
 						     sci_interrupt,

drivers/acpi/acpica/evmisc.c

@@ -167,7 +167,8 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
 			  "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
 			  acpi_ut_get_node_name(node),
 			  acpi_ut_get_type_name(node->type), notify_value,
-			  acpi_ut_get_notify_name(notify_value), node));
+			  acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY),
+			  node));
 
 	status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
 				 info);

drivers/acpi/acpica/evsci.c

@@ -117,7 +117,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
 	ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler);
 
 	/*
-	 * We are guaranteed by the ACPI CA initialization/shutdown code that
+	 * We are guaranteed by the ACPICA initialization/shutdown code that
 	 * if this interrupt handler is installed, ACPI is enabled.
 	 */
 

drivers/acpi/acpica/evxface.c

@@ -239,7 +239,7 @@ acpi_remove_notify_handler(acpi_handle device,
 	union acpi_operand_object *obj_desc;
 	union acpi_operand_object *handler_obj;
 	union acpi_operand_object *previous_handler_obj;
-	acpi_status status;
+	acpi_status status = AE_OK;
 	u32 i;
 
 	ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
@@ -251,20 +251,17 @@ acpi_remove_notify_handler(acpi_handle device,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Make sure all deferred notify tasks are completed */
-
-	acpi_os_wait_events_complete();
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
 	/* Root Object. Global handlers are removed here */
 
 	if (device == ACPI_ROOT_OBJECT) {
 		for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
 			if (handler_type & (i + 1)) {
+				status =
+				    acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+				if (ACPI_FAILURE(status)) {
+					return_ACPI_STATUS(status);
+				}
+
 				if (!acpi_gbl_global_notify[i].handler ||
 				    (acpi_gbl_global_notify[i].handler !=
 				     handler)) {
@@ -277,31 +274,40 @@ acpi_remove_notify_handler(acpi_handle device,
 
 				acpi_gbl_global_notify[i].handler = NULL;
 				acpi_gbl_global_notify[i].context = NULL;
+
+				(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+				/* Make sure all deferred notify tasks are completed */
+
+				acpi_os_wait_events_complete();
 			}
 		}
 
-		goto unlock_and_exit;
+		return_ACPI_STATUS(AE_OK);
 	}
 
 	/* All other objects: Are Notifies allowed on this object? */
 
 	if (!acpi_ev_is_notify_object(node)) {
-		status = AE_TYPE;
-		goto unlock_and_exit;
+		return_ACPI_STATUS(AE_TYPE);
 	}
 
 	/* Must have an existing internal object */
 
 	obj_desc = acpi_ns_get_attached_object(node);
 	if (!obj_desc) {
-		status = AE_NOT_EXIST;
-		goto unlock_and_exit;
+		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
 
 	/* Internal object exists. Find the handler and remove it */
 
 	for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) {
 		if (handler_type & (i + 1)) {
+			status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+			if (ACPI_FAILURE(status)) {
+				return_ACPI_STATUS(status);
+			}
+
 			handler_obj = obj_desc->common_notify.notify_list[i];
 			previous_handler_obj = NULL;
 
@@ -329,10 +335,17 @@ acpi_remove_notify_handler(acpi_handle device,
 				    handler_obj->notify.next[i];
 			}
 
+			(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+			/* Make sure all deferred notify tasks are completed */
+
+			acpi_os_wait_events_complete();
 			acpi_ut_remove_reference(handler_obj);
 		}
 	}
 
+	return_ACPI_STATUS(status);
+
 unlock_and_exit:
 	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 	return_ACPI_STATUS(status);
@@ -457,6 +470,8 @@ acpi_status acpi_install_sci_handler(acpi_sci_handler address, void *context)
 	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_install_sci_handler)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_remove_sci_handler
@@ -468,7 +483,6 @@ acpi_status acpi_install_sci_handler(acpi_sci_handler address, void *context)
  * DESCRIPTION: Remove a handler for a System Control Interrupt.
  *
  ******************************************************************************/
-
 acpi_status acpi_remove_sci_handler(acpi_sci_handler address)
 {
 	struct acpi_sci_handler_info *prev_sci_handler;
@@ -522,6 +536,8 @@ acpi_status acpi_remove_sci_handler(acpi_sci_handler address)
 	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_remove_sci_handler)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_global_event_handler
@@ -537,7 +553,6 @@ acpi_status acpi_remove_sci_handler(acpi_sci_handler address)
  *              Can be used to update event counters, etc.
  *
  ******************************************************************************/
-
 acpi_status
 acpi_install_global_event_handler(acpi_gbl_event_handler handler, void *context)
 {
@@ -840,10 +855,6 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Make sure all deferred GPE tasks are completed */
-
-	acpi_os_wait_events_complete();
-
 	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
@@ -895,9 +906,17 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
 		(void)acpi_ev_add_gpe_reference(gpe_event_info);
 	}
 
+	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+	/* Make sure all deferred GPE tasks are completed */
+
+	acpi_os_wait_events_complete();
+
 	/* Now we can free the handler object */
 
 	ACPI_FREE(handler);
+	return_ACPI_STATUS(status);
 
 unlock_and_exit:
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);

drivers/acpi/acpica/evxfgpe.c

@@ -599,9 +599,10 @@ acpi_install_gpe_block(acpi_handle gpe_device,
 	 * For user-installed GPE Block Devices, the gpe_block_base_number
 	 * is always zero
 	 */
-	status =
-	    acpi_ev_create_gpe_block(node, gpe_block_address, register_count, 0,
-				     interrupt_number, &gpe_block);
+	status = acpi_ev_create_gpe_block(node, gpe_block_address->address,
+					  gpe_block_address->space_id,
+					  register_count, 0, interrupt_number,
+					  &gpe_block);
 	if (ACPI_FAILURE(status)) {
 		goto unlock_and_exit;
 	}

drivers/acpi/acpica/exconfig.c

@@ -343,16 +343,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object *ddb_handle;
+	struct acpi_table_header *table_header;
 	struct acpi_table_header *table;
-	struct acpi_table_desc table_desc;
 	u32 table_index;
 	acpi_status status;
 	u32 length;
 
 	ACPI_FUNCTION_TRACE(ex_load_op);
 
-	ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
-
 	/* Source Object can be either an op_region or a Buffer/Field */
 
 	switch (obj_desc->common.type) {
@@ -380,17 +378,17 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Get the table header first so we can get the table length */
 
-		table = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
-		if (!table) {
+		table_header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
+		if (!table_header) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
 		status =
 		    acpi_ex_region_read(obj_desc,
 					sizeof(struct acpi_table_header),
-					ACPI_CAST_PTR(u8, table));
-		length = table->length;
-		ACPI_FREE(table);
+					ACPI_CAST_PTR(u8, table_header));
+		length = table_header->length;
+		ACPI_FREE(table_header);
 
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
@@ -420,22 +418,19 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Allocate a buffer for the table */
 
-		table_desc.pointer = ACPI_ALLOCATE(length);
-		if (!table_desc.pointer) {
+		table = ACPI_ALLOCATE(length);
+		if (!table) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
 		/* Read the entire table */
 
 		status = acpi_ex_region_read(obj_desc, length,
-					     ACPI_CAST_PTR(u8,
-							   table_desc.pointer));
+					     ACPI_CAST_PTR(u8, table));
 		if (ACPI_FAILURE(status)) {
-			ACPI_FREE(table_desc.pointer);
+			ACPI_FREE(table);
 			return_ACPI_STATUS(status);
 		}
-
-		table_desc.address = obj_desc->region.address;
 		break;
 
 	case ACPI_TYPE_BUFFER:	/* Buffer or resolved region_field */
@@ -452,10 +447,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 
 		/* Get the actual table length from the table header */
 
-		table =
+		table_header =
 		    ACPI_CAST_PTR(struct acpi_table_header,
 				  obj_desc->buffer.pointer);
-		length = table->length;
+		length = table_header->length;
 
 		/* Table cannot extend beyond the buffer */
 
@@ -470,13 +465,12 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		 * Copy the table from the buffer because the buffer could be modified
 		 * or even deleted in the future
 		 */
-		table_desc.pointer = ACPI_ALLOCATE(length);
-		if (!table_desc.pointer) {
+		table = ACPI_ALLOCATE(length);
+		if (!table) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
-		ACPI_MEMCPY(table_desc.pointer, table, length);
-		table_desc.address = ACPI_TO_INTEGER(table_desc.pointer);
+		ACPI_MEMCPY(table, table_header, length);
 		break;
 
 	default:
@@ -484,27 +478,32 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 	}
 
-	/* Validate table checksum (will not get validated in tb_add_table) */
-
-	status = acpi_tb_verify_checksum(table_desc.pointer, length);
-	if (ACPI_FAILURE(status)) {
-		ACPI_FREE(table_desc.pointer);
-		return_ACPI_STATUS(status);
-	}
-
-	/* Complete the table descriptor */
+	/* Install the new table into the local data structures */
 
-	table_desc.length = length;
-	table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
+	ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 
-	/* Install the new table into the local data structures */
+	status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table),
+						ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL,
+						TRUE, TRUE, &table_index);
 
-	status = acpi_tb_add_table(&table_desc, &table_index);
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 	if (ACPI_FAILURE(status)) {
 
 		/* Delete allocated table buffer */
 
-		acpi_tb_delete_table(&table_desc);
+		ACPI_FREE(table);
+		return_ACPI_STATUS(status);
+	}
+
+	/*
+	 * Note: Now table is "INSTALLED", it must be validated before
+	 * loading.
+	 */
+	status =
+	    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+				   tables[table_index]);
+	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
 
@@ -536,9 +535,6 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(status);
 	}
 
-	ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
-	acpi_tb_print_table_header(0, table_desc.pointer);
-
 	/* Remove the reference by added by acpi_ex_store above */
 
 	acpi_ut_remove_reference(ddb_handle);
@@ -546,8 +542,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 	/* Invoke table handler if present */
 
 	if (acpi_gbl_table_handler) {
-		(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD,
-					     table_desc.pointer,
+		(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
 					     acpi_gbl_table_handler_context);
 	}
 
@@ -575,6 +570,13 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 
 	ACPI_FUNCTION_TRACE(ex_unload_table);
 
+	/*
+	 * Temporarily emit a warning so that the ASL for the machine can be
+	 * hopefully obtained. This is to say that the Unload() operator is
+	 * extremely rare if not completely unused.
+	 */
+	ACPI_WARNING((AE_INFO, "Received request to unload an ACPI table"));
+
 	/*
 	 * Validate the handle
 	 * Although the handle is partially validated in acpi_ex_reconfiguration()

drivers/acpi/acpica/exdump.c

@@ -134,9 +134,11 @@ static struct acpi_exdump_info acpi_ex_dump_method[9] = {
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
 };
 
-static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
+static struct acpi_exdump_info acpi_ex_dump_mutex[6] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
+	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.original_sync_level),
+	 "Original Sync Level"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
 	 "Acquire Depth"},

drivers/acpi/acpica/hwpci.c

@@ -140,11 +140,12 @@ acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
 		/* Walk the list, updating the PCI device/function/bus numbers */
 
 		status = acpi_hw_process_pci_list(pci_id, list_head);
-	}
 
-	/* Always delete the list */
+		/* Delete the list */
+
+		acpi_hw_delete_pci_list(list_head);
+	}
 
-	acpi_hw_delete_pci_list(list_head);
 	return_ACPI_STATUS(status);
 }
 
@@ -187,6 +188,10 @@ acpi_hw_build_pci_list(acpi_handle root_pci_device,
 	while (1) {
 		status = acpi_get_parent(current_device, &parent_device);
 		if (ACPI_FAILURE(status)) {
+
+			/* Must delete the list before exit */
+
+			acpi_hw_delete_pci_list(*return_list_head);
 			return (status);
 		}
 
@@ -199,6 +204,10 @@ acpi_hw_build_pci_list(acpi_handle root_pci_device,
 
 		list_element = ACPI_ALLOCATE(sizeof(struct acpi_pci_device));
 		if (!list_element) {
+
+			/* Must delete the list before exit */
+
+			acpi_hw_delete_pci_list(*return_list_head);
 			return (AE_NO_MEMORY);
 		}
 

drivers/acpi/acpica/rscreate.c

@@ -72,6 +72,8 @@ acpi_buffer_to_resource(u8 *aml_buffer,
 	void *resource;
 	void *current_resource_ptr;
 
+	ACPI_FUNCTION_TRACE(acpi_buffer_to_resource);
+
 	/*
 	 * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag
 	 * is not required here.
@@ -85,7 +87,7 @@ acpi_buffer_to_resource(u8 *aml_buffer,
 		status = AE_OK;
 	}
 	if (ACPI_FAILURE(status)) {
-		return (status);
+		return_ACPI_STATUS(status);
 	}
 
 	/* Allocate a buffer for the converted resource */
@@ -93,7 +95,7 @@ acpi_buffer_to_resource(u8 *aml_buffer,
 	resource = ACPI_ALLOCATE_ZEROED(list_size_needed);
 	current_resource_ptr = resource;
 	if (!resource) {
-		return (AE_NO_MEMORY);
+		return_ACPI_STATUS(AE_NO_MEMORY);
 	}
 
 	/* Perform the AML-to-Resource conversion */
@@ -110,9 +112,11 @@ acpi_buffer_to_resource(u8 *aml_buffer,
 		*resource_ptr = resource;
 	}
 
-	return (status);
+	return_ACPI_STATUS(status);
 }
 
+ACPI_EXPORT_SYMBOL(acpi_buffer_to_resource)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_rs_create_resource_list
@@ -130,10 +134,9 @@ acpi_buffer_to_resource(u8 *aml_buffer,
  *              of device resources.
  *
  ******************************************************************************/
-
 acpi_status
 acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
-			     struct acpi_buffer * output_buffer)
+			     struct acpi_buffer *output_buffer)
 {
 
 	acpi_status status;

drivers/acpi/acpica/tbfadt.c

@@ -52,7 +52,8 @@ ACPI_MODULE_NAME("tbfadt")
 static void
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
 			     u8 space_id,
-			     u8 byte_width, u64 address, char *register_name);
+			     u8 byte_width,
+			     u64 address, char *register_name, u8 flags);
 
 static void acpi_tb_convert_fadt(void);
 
@@ -69,13 +70,14 @@ typedef struct acpi_fadt_info {
 	u16 address32;
 	u16 length;
 	u8 default_length;
-	u8 type;
+	u8 flags;
 
 } acpi_fadt_info;
 
 #define ACPI_FADT_OPTIONAL          0
 #define ACPI_FADT_REQUIRED          1
 #define ACPI_FADT_SEPARATE_LENGTH   2
+#define ACPI_FADT_GPE_REGISTER      4
 
 static struct acpi_fadt_info fadt_info_table[] = {
 	{"Pm1aEventBlock",
@@ -125,14 +127,14 @@ static struct acpi_fadt_info fadt_info_table[] = {
 	 ACPI_FADT_OFFSET(gpe0_block),
 	 ACPI_FADT_OFFSET(gpe0_block_length),
 	 0,
-	 ACPI_FADT_SEPARATE_LENGTH},
+	 ACPI_FADT_SEPARATE_LENGTH | ACPI_FADT_GPE_REGISTER},
 
 	{"Gpe1Block",
 	 ACPI_FADT_OFFSET(xgpe1_block),
 	 ACPI_FADT_OFFSET(gpe1_block),
 	 ACPI_FADT_OFFSET(gpe1_block_length),
 	 0,
-	 ACPI_FADT_SEPARATE_LENGTH}
+	 ACPI_FADT_SEPARATE_LENGTH | ACPI_FADT_GPE_REGISTER}
 };
 
 #define ACPI_FADT_INFO_ENTRIES \
@@ -189,19 +191,29 @@ static struct acpi_fadt_pm_info fadt_pm_info_table[] = {
 static void
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
 			     u8 space_id,
-			     u8 byte_width, u64 address, char *register_name)
+			     u8 byte_width,
+			     u64 address, char *register_name, u8 flags)
 {
 	u8 bit_width;
 
-	/* Bit width field in the GAS is only one byte long, 255 max */
-
+	/*
+	 * Bit width field in the GAS is only one byte long, 255 max.
+	 * Check for bit_width overflow in GAS.
+	 */
 	bit_width = (u8)(byte_width * 8);
-
-	if (byte_width > 31) {	/* (31*8)=248 */
-		ACPI_ERROR((AE_INFO,
-			    "%s - 32-bit FADT register is too long (%u bytes, %u bits) "
-			    "to convert to GAS struct - 255 bits max, truncating",
-			    register_name, byte_width, (byte_width * 8)));
+	if (byte_width > 31) {	/* (31*8)=248, (32*8)=256 */
+		/*
+		 * No error for GPE blocks, because we do not use the bit_width
+		 * for GPEs, the legacy length (byte_width) is used instead to
+		 * allow for a large number of GPEs.
+		 */
+		if (!(flags & ACPI_FADT_GPE_REGISTER)) {
+			ACPI_ERROR((AE_INFO,
+				    "%s - 32-bit FADT register is too long (%u bytes, %u bits) "
+				    "to convert to GAS struct - 255 bits max, truncating",
+				    register_name, byte_width,
+				    (byte_width * 8)));
+		}
 
 		bit_width = 255;
 	}
@@ -332,15 +344,15 @@ void acpi_tb_parse_fadt(u32 table_index)
 
 	/* Obtain the DSDT and FACS tables via their addresses within the FADT */
 
-	acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
-			      ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
+	acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
+				    ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
 
 	/* If Hardware Reduced flag is set, there is no FACS */
 
 	if (!acpi_gbl_reduced_hardware) {
-		acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.
-				      Xfacs, ACPI_SIG_FACS,
-				      ACPI_TABLE_INDEX_FACS);
+		acpi_tb_install_fixed_table((acpi_physical_address)
+					    acpi_gbl_FADT.Xfacs, ACPI_SIG_FACS,
+					    ACPI_TABLE_INDEX_FACS);
 	}
 }
 
@@ -450,6 +462,7 @@ static void acpi_tb_convert_fadt(void)
 	struct acpi_generic_address *address64;
 	u32 address32;
 	u8 length;
+	u8 flags;
 	u32 i;
 
 	/*
@@ -515,6 +528,7 @@ static void acpi_tb_convert_fadt(void)
 				       fadt_info_table[i].length);
 
 		name = fadt_info_table[i].name;
+		flags = fadt_info_table[i].flags;
 
 		/*
 		 * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
@@ -554,7 +568,7 @@ static void acpi_tb_convert_fadt(void)
 									   [i].
 									   length),
 							     (u64)address32,
-							     name);
+							     name, flags);
 			} else if (address64->address != (u64)address32) {
 
 				/* Address mismatch */
@@ -582,7 +596,8 @@ static void acpi_tb_convert_fadt(void)
 								      length),
 								     (u64)
 								     address32,
-								     name);
+								     name,
+								     flags);
 				}
 			}
 		}
@@ -603,7 +618,7 @@ static void acpi_tb_convert_fadt(void)
 					   address64->bit_width));
 		}
 
-		if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) {
+		if (fadt_info_table[i].flags & ACPI_FADT_REQUIRED) {
 			/*
 			 * Field is required (Pm1a_event, Pm1a_control).
 			 * Both the address and length must be non-zero.
@@ -617,7 +632,7 @@ static void acpi_tb_convert_fadt(void)
 								    address),
 						 length));
 			}
-		} else if (fadt_info_table[i].type & ACPI_FADT_SEPARATE_LENGTH) {
+		} else if (fadt_info_table[i].flags & ACPI_FADT_SEPARATE_LENGTH) {
 			/*
 			 * Field is optional (Pm2_control, GPE0, GPE1) AND has its own
 			 * length field. If present, both the address and length must
@@ -726,7 +741,7 @@ static void acpi_tb_setup_fadt_registers(void)
 						     (fadt_pm_info_table[i].
 						      register_num *
 						      pm1_register_byte_width),
-						     "PmRegisters");
+						     "PmRegisters", 0);
 		}
 	}
 }

drivers/acpi/acpica/tbfind.c

@@ -99,8 +99,8 @@ acpi_tb_find_table(char *signature,
 			/* Table is not currently mapped, map it */
 
 			status =
-			    acpi_tb_verify_table(&acpi_gbl_root_table_list.
-						 tables[i]);
+			    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+						   tables[i]);
 			if (ACPI_FAILURE(status)) {
 				return_ACPI_STATUS(status);
 			}

drivers/acpi/acpica/tbutils.c

@@ -49,8 +49,6 @@
 ACPI_MODULE_NAME("tbutils")
 
 /* Local prototypes */
-static acpi_status acpi_tb_validate_xsdt(acpi_physical_address address);
-
 static acpi_physical_address
 acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
 
@@ -178,9 +176,13 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index)
 	}
 
 	ACPI_MEMCPY(new_table, table_desc->pointer, table_desc->length);
-	acpi_tb_delete_table(table_desc);
-	table_desc->pointer = new_table;
-	table_desc->flags = ACPI_TABLE_ORIGIN_ALLOCATED;
+	acpi_tb_uninstall_table(table_desc);
+
+	acpi_tb_init_table_descriptor(&acpi_gbl_root_table_list.
+				      tables[ACPI_TABLE_INDEX_DSDT],
+				      ACPI_PTR_TO_PHYSADDR(new_table),
+				      ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL,
+				      new_table);
 
 	ACPI_INFO((AE_INFO,
 		   "Forced DSDT copy: length 0x%05X copied locally, original unmapped",
@@ -189,116 +191,6 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index)
 	return (new_table);
 }
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_install_table
- *
- * PARAMETERS:  address                 - Physical address of DSDT or FACS
- *              signature               - Table signature, NULL if no need to
- *                                        match
- *              table_index             - Index into root table array
- *
- * RETURN:      None
- *
- * DESCRIPTION: Install an ACPI table into the global data structure. The
- *              table override mechanism is called to allow the host
- *              OS to replace any table before it is installed in the root
- *              table array.
- *
- ******************************************************************************/
-
-void
-acpi_tb_install_table(acpi_physical_address address,
-		      char *signature, u32 table_index)
-{
-	struct acpi_table_header *table;
-	struct acpi_table_header *final_table;
-	struct acpi_table_desc *table_desc;
-
-	if (!address) {
-		ACPI_ERROR((AE_INFO,
-			    "Null physical address for ACPI table [%s]",
-			    signature));
-		return;
-	}
-
-	/* Map just the table header */
-
-	table = acpi_os_map_memory(address, sizeof(struct acpi_table_header));
-	if (!table) {
-		ACPI_ERROR((AE_INFO,
-			    "Could not map memory for table [%s] at %p",
-			    signature, ACPI_CAST_PTR(void, address)));
-		return;
-	}
-
-	/* If a particular signature is expected (DSDT/FACS), it must match */
-
-	if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) {
-		ACPI_BIOS_ERROR((AE_INFO,
-				 "Invalid signature 0x%X for ACPI table, expected [%s]",
-				 *ACPI_CAST_PTR(u32, table->signature),
-				 signature));
-		goto unmap_and_exit;
-	}
-
-	/*
-	 * Initialize the table entry. Set the pointer to NULL, since the
-	 * table is not fully mapped at this time.
-	 */
-	table_desc = &acpi_gbl_root_table_list.tables[table_index];
-
-	table_desc->address = address;
-	table_desc->pointer = NULL;
-	table_desc->length = table->length;
-	table_desc->flags = ACPI_TABLE_ORIGIN_MAPPED;
-	ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature);
-
-	/*
-	 * ACPI Table Override:
-	 *
-	 * Before we install the table, let the host OS override it with a new
-	 * one if desired. Any table within the RSDT/XSDT can be replaced,
-	 * including the DSDT which is pointed to by the FADT.
-	 *
-	 * NOTE: If the table is overridden, then final_table will contain a
-	 * mapped pointer to the full new table. If the table is not overridden,
-	 * or if there has been a physical override, then the table will be
-	 * fully mapped later (in verify table). In any case, we must
-	 * unmap the header that was mapped above.
-	 */
-	final_table = acpi_tb_table_override(table, table_desc);
-	if (!final_table) {
-		final_table = table;	/* There was no override */
-	}
-
-	acpi_tb_print_table_header(table_desc->address, final_table);
-
-	/* Set the global integer width (based upon revision of the DSDT) */
-
-	if (table_index == ACPI_TABLE_INDEX_DSDT) {
-		acpi_ut_set_integer_width(final_table->revision);
-	}
-
-	/*
-	 * If we have a physical override during this early loading of the ACPI
-	 * tables, unmap the table for now. It will be mapped again later when
-	 * it is actually used. This supports very early loading of ACPI tables,
-	 * before virtual memory is fully initialized and running within the
-	 * host OS. Note: A logical override has the ACPI_TABLE_ORIGIN_OVERRIDE
-	 * flag set and will not be deleted below.
-	 */
-	if (final_table != table) {
-		acpi_tb_delete_table(table_desc);
-	}
-
-unmap_and_exit:
-
-	/* Always unmap the table header that we mapped above */
-
-	acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
-}
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_tb_get_root_table_entry
@@ -355,87 +247,6 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size)
 	}
 }
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_tb_validate_xsdt
- *
- * PARAMETERS:  address             - Physical address of the XSDT (from RSDP)
- *
- * RETURN:      Status. AE_OK if the table appears to be valid.
- *
- * DESCRIPTION: Validate an XSDT to ensure that it is of minimum size and does
- *              not contain any NULL entries. A problem that is seen in the
- *              field is that the XSDT exists, but is actually useless because
- *              of one or more (or all) NULL entries.
- *
- ******************************************************************************/
-
-static acpi_status acpi_tb_validate_xsdt(acpi_physical_address xsdt_address)
-{
-	struct acpi_table_header *table;
-	u8 *next_entry;
-	acpi_physical_address address;
-	u32 length;
-	u32 entry_count;
-	acpi_status status;
-	u32 i;
-
-	/* Get the XSDT length */
-
-	table =
-	    acpi_os_map_memory(xsdt_address, sizeof(struct acpi_table_header));
-	if (!table) {
-		return (AE_NO_MEMORY);
-	}
-
-	length = table->length;
-	acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
-
-	/*
-	 * Minimum XSDT length is the size of the standard ACPI header
-	 * plus one physical address entry
-	 */
-	if (length < (sizeof(struct acpi_table_header) + ACPI_XSDT_ENTRY_SIZE)) {
-		return (AE_INVALID_TABLE_LENGTH);
-	}
-
-	/* Map the entire XSDT */
-
-	table = acpi_os_map_memory(xsdt_address, length);
-	if (!table) {
-		return (AE_NO_MEMORY);
-	}
-
-	/* Get the number of entries and pointer to first entry */
-
-	status = AE_OK;
-	next_entry = ACPI_ADD_PTR(u8, table, sizeof(struct acpi_table_header));
-	entry_count = (u32)((table->length - sizeof(struct acpi_table_header)) /
-			    ACPI_XSDT_ENTRY_SIZE);
-
-	/* Validate each entry (physical address) within the XSDT */
-
-	for (i = 0; i < entry_count; i++) {
-		address =
-		    acpi_tb_get_root_table_entry(next_entry,
-						 ACPI_XSDT_ENTRY_SIZE);
-		if (!address) {
-
-			/* Detected a NULL entry, XSDT is invalid */
-
-			status = AE_NULL_ENTRY;
-			break;
-		}
-
-		next_entry += ACPI_XSDT_ENTRY_SIZE;
-	}
-
-	/* Unmap table */
-
-	acpi_os_unmap_memory(table, length);
-	return (status);
-}
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_tb_parse_root_table
@@ -461,10 +272,10 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	u32 table_count;
 	struct acpi_table_header *table;
 	acpi_physical_address address;
-	acpi_physical_address rsdt_address;
 	u32 length;
 	u8 *table_entry;
 	acpi_status status;
+	u32 table_index;
 
 	ACPI_FUNCTION_TRACE(tb_parse_root_table);
 
@@ -489,14 +300,11 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 		 * as per the ACPI specification.
 		 */
 		address = (acpi_physical_address) rsdp->xsdt_physical_address;
-		rsdt_address =
-		    (acpi_physical_address) rsdp->rsdt_physical_address;
 		table_entry_size = ACPI_XSDT_ENTRY_SIZE;
 	} else {
 		/* Root table is an RSDT (32-bit physical addresses) */
 
 		address = (acpi_physical_address) rsdp->rsdt_physical_address;
-		rsdt_address = address;
 		table_entry_size = ACPI_RSDT_ENTRY_SIZE;
 	}
 
@@ -506,24 +314,6 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	 */
 	acpi_os_unmap_memory(rsdp, sizeof(struct acpi_table_rsdp));
 
-	/*
-	 * If it is present and used, validate the XSDT for access/size
-	 * and ensure that all table entries are at least non-NULL
-	 */
-	if (table_entry_size == ACPI_XSDT_ENTRY_SIZE) {
-		status = acpi_tb_validate_xsdt(address);
-		if (ACPI_FAILURE(status)) {
-			ACPI_BIOS_WARNING((AE_INFO,
-					   "XSDT is invalid (%s), using RSDT",
-					   acpi_format_exception(status)));
-
-			/* Fall back to the RSDT */
-
-			address = rsdt_address;
-			table_entry_size = ACPI_RSDT_ENTRY_SIZE;
-		}
-	}
-
 	/* Map the RSDT/XSDT table header to get the full table length */
 
 	table = acpi_os_map_memory(address, sizeof(struct acpi_table_header));
@@ -576,31 +366,33 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	/* Initialize the root table array from the RSDT/XSDT */
 
 	for (i = 0; i < table_count; i++) {
-		if (acpi_gbl_root_table_list.current_table_count >=
-		    acpi_gbl_root_table_list.max_table_count) {
-
-			/* There is no more room in the root table array, attempt resize */
-
-			status = acpi_tb_resize_root_table_list();
-			if (ACPI_FAILURE(status)) {
-				ACPI_WARNING((AE_INFO,
-					      "Truncating %u table entries!",
-					      (unsigned) (table_count -
-					       (acpi_gbl_root_table_list.
-							  current_table_count -
-							  2))));
-				break;
-			}
-		}
 
 		/* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
 
-		acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.
-						current_table_count].address =
+		address =
 		    acpi_tb_get_root_table_entry(table_entry, table_entry_size);
 
+		/* Skip NULL entries in RSDT/XSDT */
+
+		if (!address) {
+			goto next_table;
+		}
+
+		status = acpi_tb_install_standard_table(address,
+							ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL,
+							FALSE, TRUE,
+							&table_index);
+
+		if (ACPI_SUCCESS(status) &&
+		    ACPI_COMPARE_NAME(&acpi_gbl_root_table_list.
+				      tables[table_index].signature,
+				      ACPI_SIG_FADT)) {
+			acpi_tb_parse_fadt(table_index);
+		}
+
+next_table:
+
 		table_entry += table_entry_size;
-		acpi_gbl_root_table_list.current_table_count++;
 	}
 
 	/*
@@ -609,22 +401,5 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
 	 */
 	acpi_os_unmap_memory(table, length);
 
-	/*
-	 * Complete the initialization of the root table array by examining
-	 * the header of each table
-	 */
-	for (i = 2; i < acpi_gbl_root_table_list.current_table_count; i++) {
-		acpi_tb_install_table(acpi_gbl_root_table_list.tables[i].
-				      address, NULL, i);
-
-		/* Special case for FADT - validate it then get the DSDT and FACS */
-
-		if (ACPI_COMPARE_NAME
-		    (&acpi_gbl_root_table_list.tables[i].signature,
-		     ACPI_SIG_FADT)) {
-			acpi_tb_parse_fadt(i);
-		}
-	}
-
 	return_ACPI_STATUS(AE_OK);
 }

drivers/acpi/acpica/tbxface.c

@@ -206,8 +206,8 @@ acpi_status
 acpi_get_table_header(char *signature,
 		      u32 instance, struct acpi_table_header *out_table_header)
 {
-       u32 i;
-       u32 j;
+	u32 i;
+	u32 j;
 	struct acpi_table_header *header;
 
 	/* Parameter validation */
@@ -233,7 +233,7 @@ acpi_get_table_header(char *signature,
 		if (!acpi_gbl_root_table_list.tables[i].pointer) {
 			if ((acpi_gbl_root_table_list.tables[i].flags &
 			     ACPI_TABLE_ORIGIN_MASK) ==
-			    ACPI_TABLE_ORIGIN_MAPPED) {
+			    ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL) {
 				header =
 				    acpi_os_map_memory(acpi_gbl_root_table_list.
 						       tables[i].address,
@@ -321,8 +321,8 @@ acpi_get_table_with_size(char *signature,
 	       u32 instance, struct acpi_table_header **out_table,
 	       acpi_size *tbl_size)
 {
-       u32 i;
-       u32 j;
+	u32 i;
+	u32 j;
 	acpi_status status;
 
 	/* Parameter validation */
@@ -346,7 +346,7 @@ acpi_get_table_with_size(char *signature,
 		}
 
 		status =
-		    acpi_tb_verify_table(&acpi_gbl_root_table_list.tables[i]);
+		    acpi_tb_validate_table(&acpi_gbl_root_table_list.tables[i]);
 		if (ACPI_SUCCESS(status)) {
 			*out_table = acpi_gbl_root_table_list.tables[i].pointer;
 			*tbl_size = acpi_gbl_root_table_list.tables[i].length;
@@ -390,7 +390,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table)
  *
  ******************************************************************************/
 acpi_status
-acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
+acpi_get_table_by_index(u32 table_index, struct acpi_table_header ** table)
 {
 	acpi_status status;
 
@@ -416,8 +416,8 @@ acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
 		/* Table is not mapped, map it */
 
 		status =
-		    acpi_tb_verify_table(&acpi_gbl_root_table_list.
-					 tables[table_index]);
+		    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+					   tables[table_index]);
 		if (ACPI_FAILURE(status)) {
 			(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
 			return_ACPI_STATUS(status);

drivers/acpi/acpica/tbxfload.c

@@ -117,7 +117,7 @@ static acpi_status acpi_tb_load_namespace(void)
 				tables[ACPI_TABLE_INDEX_DSDT].signature),
 			       ACPI_SIG_DSDT)
 	    ||
-	    ACPI_FAILURE(acpi_tb_verify_table
+	    ACPI_FAILURE(acpi_tb_validate_table
 			 (&acpi_gbl_root_table_list.
 			  tables[ACPI_TABLE_INDEX_DSDT]))) {
 		status = AE_NO_ACPI_TABLES;
@@ -128,7 +128,7 @@ static acpi_status acpi_tb_load_namespace(void)
 	 * Save the DSDT pointer for simple access. This is the mapped memory
 	 * address. We must take care here because the address of the .Tables
 	 * array can change dynamically as tables are loaded at run-time. Note:
-	 * .Pointer field is not validated until after call to acpi_tb_verify_table.
+	 * .Pointer field is not validated until after call to acpi_tb_validate_table.
 	 */
 	acpi_gbl_DSDT =
 	    acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer;
@@ -174,24 +174,11 @@ static acpi_status acpi_tb_load_namespace(void)
 					(acpi_gbl_root_table_list.tables[i].
 					 signature), ACPI_SIG_PSDT))
 		    ||
-		    ACPI_FAILURE(acpi_tb_verify_table
+		    ACPI_FAILURE(acpi_tb_validate_table
 				 (&acpi_gbl_root_table_list.tables[i]))) {
 			continue;
 		}
 
-		/*
-		 * Optionally do not load any SSDTs from the RSDT/XSDT. This can
-		 * be useful for debugging ACPI problems on some machines.
-		 */
-		if (acpi_gbl_disable_ssdt_table_load) {
-			ACPI_INFO((AE_INFO, "Ignoring %4.4s at %p",
-				   acpi_gbl_root_table_list.tables[i].signature.
-				   ascii, ACPI_CAST_PTR(void,
-							acpi_gbl_root_table_list.
-							tables[i].address)));
-			continue;
-		}
-
 		/* Ignore errors while loading tables, get as many as possible */
 
 		(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
@@ -206,6 +193,45 @@ static acpi_status acpi_tb_load_namespace(void)
 	return_ACPI_STATUS(status);
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_install_table
+ *
+ * PARAMETERS:  address             - Address of the ACPI table to be installed.
+ *              physical            - Whether the address is a physical table
+ *                                    address or not
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dynamically install an ACPI table.
+ *              Note: This function should only be invoked after
+ *                    acpi_initialize_tables() and before acpi_load_tables().
+ *
+ ******************************************************************************/
+
+acpi_status __init
+acpi_install_table(acpi_physical_address address, u8 physical)
+{
+	acpi_status status;
+	u8 flags;
+	u32 table_index;
+
+	ACPI_FUNCTION_TRACE(acpi_install_table);
+
+	if (physical) {
+		flags = ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL;
+	} else {
+		flags = ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL;
+	}
+
+	status = acpi_tb_install_standard_table(address, flags,
+						FALSE, FALSE, &table_index);
+
+	return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL_INIT(acpi_install_table)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_load_table
@@ -222,11 +248,9 @@ static acpi_status acpi_tb_load_namespace(void)
  *              to ensure that the table is not deleted or unmapped.
  *
  ******************************************************************************/
-
 acpi_status acpi_load_table(struct acpi_table_header *table)
 {
 	acpi_status status;
-	struct acpi_table_desc table_desc;
 	u32 table_index;
 
 	ACPI_FUNCTION_TRACE(acpi_load_table);
@@ -237,14 +261,6 @@ acpi_status acpi_load_table(struct acpi_table_header *table)
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Init local table descriptor */
-
-	ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
-	table_desc.address = ACPI_PTR_TO_PHYSADDR(table);
-	table_desc.pointer = table;
-	table_desc.length = table->length;
-	table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN;
-
 	/* Must acquire the interpreter lock during this operation */
 
 	status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
@@ -255,7 +271,24 @@ acpi_status acpi_load_table(struct acpi_table_header *table)
 	/* Install the table and load it into the namespace */
 
 	ACPI_INFO((AE_INFO, "Host-directed Dynamic ACPI Table Load:"));
-	status = acpi_tb_add_table(&table_desc, &table_index);
+	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
+	status = acpi_tb_install_standard_table(ACPI_PTR_TO_PHYSADDR(table),
+						ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL,
+						TRUE, FALSE, &table_index);
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+	if (ACPI_FAILURE(status)) {
+		goto unlock_and_exit;
+	}
+
+	/*
+	 * Note: Now table is "INSTALLED", it must be validated before
+	 * using.
+	 */
+	status =
+	    acpi_tb_validate_table(&acpi_gbl_root_table_list.
+				   tables[table_index]);
 	if (ACPI_FAILURE(status)) {
 		goto unlock_and_exit;
 	}

drivers/acpi/acpica/utdecode.c

@@ -462,7 +462,7 @@ char *acpi_ut_get_mutex_name(u32 mutex_id)
 
 /* Names for Notify() values, used for debug output */
 
-static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = {
+static const char *acpi_gbl_generic_notify[ACPI_NOTIFY_MAX + 1] = {
 	/* 00 */ "Bus Check",
 	/* 01 */ "Device Check",
 	/* 02 */ "Device Wake",
@@ -473,23 +473,75 @@ static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = {
 	/* 07 */ "Power Fault",
 	/* 08 */ "Capabilities Check",
 	/* 09 */ "Device PLD Check",
-	/* 10 */ "Reserved",
-	/* 11 */ "System Locality Update",
-	/* 12 */ "Shutdown Request"
+	/* 0A */ "Reserved",
+	/* 0B */ "System Locality Update",
+	/* 0C */ "Shutdown Request"
 };
 
-const char *acpi_ut_get_notify_name(u32 notify_value)
+static const char *acpi_gbl_device_notify[4] = {
+	/* 80 */ "Status Change",
+	/* 81 */ "Information Change",
+	/* 82 */ "Device-Specific Change",
+	/* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_processor_notify[4] = {
+	/* 80 */ "Performance Capability Change",
+	/* 81 */ "C-State Change",
+	/* 82 */ "Throttling Capability Change",
+	/* 83 */ "Device-Specific Change"
+};
+
+static const char *acpi_gbl_thermal_notify[4] = {
+	/* 80 */ "Thermal Status Change",
+	/* 81 */ "Thermal Trip Point Change",
+	/* 82 */ "Thermal Device List Change",
+	/* 83 */ "Thermal Relationship Change"
+};
+
+const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type)
 {
 
+	/* 00 - 0C are common to all object types */
+
 	if (notify_value <= ACPI_NOTIFY_MAX) {
-		return (acpi_gbl_notify_value_names[notify_value]);
-	} else if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
+		return (acpi_gbl_generic_notify[notify_value]);
+	}
+
+	/* 0D - 7F are reserved */
+
+	if (notify_value <= ACPI_MAX_SYS_NOTIFY) {
 		return ("Reserved");
-	} else if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
-		return ("Device Specific");
-	} else {
-		return ("Hardware Specific");
 	}
+
+	/* 80 - 83 are per-object-type */
+
+	if (notify_value <= 0x83) {
+		switch (type) {
+		case ACPI_TYPE_ANY:
+		case ACPI_TYPE_DEVICE:
+			return (acpi_gbl_device_notify[notify_value - 0x80]);
+
+		case ACPI_TYPE_PROCESSOR:
+			return (acpi_gbl_processor_notify[notify_value - 0x80]);
+
+		case ACPI_TYPE_THERMAL:
+			return (acpi_gbl_thermal_notify[notify_value - 0x80]);
+
+		default:
+			return ("Target object type does not support notifies");
+		}
+	}
+
+	/* 84 - BF are device-specific */
+
+	if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) {
+		return ("Device-Specific");
+	}
+
+	/* C0 and above are hardware-specific */
+
+	return ("Hardware-Specific");
 }
 #endif
 

drivers/acpi/acpica/utglobal.c

@@ -55,28 +55,7 @@ ACPI_MODULE_NAME("utglobal")
  * Static global variable initialization.
  *
  ******************************************************************************/
-/* Debug output control masks */
-u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
-
-u32 acpi_dbg_layer = 0;
-
-/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */
-
-struct acpi_table_fadt acpi_gbl_FADT;
-u32 acpi_gbl_trace_flags;
-acpi_name acpi_gbl_trace_method_name;
-u8 acpi_gbl_system_awake_and_running;
-u32 acpi_current_gpe_count;
-
-/*
- * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
- * that the ACPI hardware is no longer required. A flag in the FADT indicates
- * a reduced HW machine, and that flag is duplicated here for convenience.
- */
-u8 acpi_gbl_reduced_hardware;
-
 /* Various state name strings */
-
 const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
 	"\\_S0_",
 	"\\_S1_",
@@ -337,7 +316,6 @@ acpi_status acpi_ut_init_globals(void)
 	acpi_gbl_acpi_hardware_present = TRUE;
 	acpi_gbl_last_owner_id_index = 0;
 	acpi_gbl_next_owner_id_offset = 0;
-	acpi_gbl_trace_method_name = 0;
 	acpi_gbl_trace_dbg_level = 0;
 	acpi_gbl_trace_dbg_layer = 0;
 	acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
@@ -377,9 +355,7 @@ acpi_status acpi_ut_init_globals(void)
 	acpi_gbl_disable_mem_tracking = FALSE;
 #endif
 
-#ifdef ACPI_DEBUGGER
-	acpi_gbl_db_terminate_threads = FALSE;
-#endif
+	ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = FALSE);
 
 	return_ACPI_STATUS(AE_OK);
 }

drivers/acpi/acpica/utstring.c

@@ -353,7 +353,7 @@ void acpi_ut_print_string(char *string, u16 max_length)
 	}
 
 	acpi_os_printf("\"");
-	for (i = 0; string[i] && (i < max_length); i++) {
+	for (i = 0; (i < max_length) && string[i]; i++) {
 
 		/* Escape sequences */
 

drivers/acpi/acpica/utxferror.c

@@ -53,6 +53,7 @@ ACPI_MODULE_NAME("utxferror")
  * This module is used for the in-kernel ACPICA as well as the ACPICA
  * tools/applications.
  */
+#ifndef ACPI_NO_ERROR_MESSAGES	/* Entire module */
 /*******************************************************************************
  *
  * FUNCTION:    acpi_error
@@ -249,3 +250,4 @@ acpi_bios_warning(const char *module_name,
 }
 
 ACPI_EXPORT_SYMBOL(acpi_bios_warning)
+#endif				/* ACPI_NO_ERROR_MESSAGES */

drivers/acpi/osl.c

@@ -1770,16 +1770,15 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
 }
 #endif
 
-static int __init acpi_no_auto_ssdt_setup(char *s)
+static int __init acpi_no_static_ssdt_setup(char *s)
 {
-        printk(KERN_NOTICE PREFIX "SSDT auto-load disabled\n");
+	acpi_gbl_disable_ssdt_table_install = TRUE;
+	pr_info("ACPI: static SSDT installation disabled\n");
 
-        acpi_gbl_disable_ssdt_table_load = TRUE;
-
-        return 1;
+	return 0;
 }
 
-__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup);
+early_param("acpi_no_static_ssdt", acpi_no_static_ssdt_setup);
 
 static int __init acpi_disable_return_repair(char *s)
 {

include/acpi/acnames.h

@@ -55,6 +55,7 @@
 #define METHOD_NAME__HID        "_HID"
 #define METHOD_NAME__INI        "_INI"
 #define METHOD_NAME__PLD        "_PLD"
+#define METHOD_NAME__PRP        "_PRP"
 #define METHOD_NAME__PRS        "_PRS"
 #define METHOD_NAME__PRT        "_PRT"
 #define METHOD_NAME__PRW        "_PRW"

include/acpi/actbl.h

@@ -367,12 +367,11 @@ struct acpi_table_desc {
 
 /* Masks for Flags field above */
 
-#define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
-#define ACPI_TABLE_ORIGIN_MAPPED        (1)
-#define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
-#define ACPI_TABLE_ORIGIN_OVERRIDE      (4)
-#define ACPI_TABLE_ORIGIN_MASK          (7)
-#define ACPI_TABLE_IS_LOADED            (8)
+#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL  (0)	/* Virtual address, external maintained */
+#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1)	/* Physical address, internally mapped */
+#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL  (2)	/* Virtual address, internallly allocated */
+#define ACPI_TABLE_ORIGIN_MASK              (3)
+#define ACPI_TABLE_IS_LOADED                (8)
 
 /*
  * Get the remaining ACPI tables

include/acpi/actbl1.h

@@ -675,7 +675,7 @@ enum acpi_madt_type {
 };
 
 /*
- * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * MADT Subtables, correspond to Type in struct acpi_subtable_header
  */
 
 /* 0: Processor Local APIC */
@@ -918,7 +918,7 @@ enum acpi_srat_type {
 };
 
 /*
- * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
+ * SRAT Subtables, correspond to Type in struct acpi_subtable_header
  */
 
 /* 0: Processor Local APIC/SAPIC Affinity */

include/acpi/actbl2.h

@@ -70,6 +70,7 @@
 #define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
 #define ACPI_SIG_IBFT           "IBFT"	/* iSCSI Boot Firmware Table */
 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
+#define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
 #define ACPI_SIG_MTMR           "MTMR"	/* MID Timer table */
@@ -456,7 +457,7 @@ struct acpi_dmar_pci_path {
 };
 
 /*
- * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
+ * DMAR Subtables, correspond to Type in struct acpi_dmar_header
  */
 
 /* 0: Hardware Unit Definition */
@@ -820,7 +821,71 @@ struct acpi_ivrs_memory {
 
 /*******************************************************************************
  *
- * MCFG - PCI Memory Mapped Configuration table and sub-table
+ * LPIT - Low Power Idle Table
+ *
+ * Conforms to "ACPI Low Power Idle Table (LPIT) and _LPD Proposal (DRAFT)"
+ *
+ ******************************************************************************/
+
+struct acpi_table_lpit {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* LPIT subtable header */
+
+struct acpi_lpit_header {
+	u32 type;		/* Subtable type */
+	u32 length;		/* Subtable length */
+	u16 unique_id;
+	u16 reserved;
+	u32 flags;
+};
+
+/* Values for subtable Type above */
+
+enum acpi_lpit_type {
+	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
+	ACPI_LPIT_TYPE_SIMPLE_IO = 0x01
+};
+
+/* Masks for Flags field above  */
+
+#define ACPI_LPIT_STATE_DISABLED    (1)
+#define ACPI_LPIT_NO_COUNTER        (1<<1)
+
+/*
+ * LPIT subtables, correspond to Type in struct acpi_lpit_header
+ */
+
+/* 0x00: Native C-state instruction based LPI structure */
+
+struct acpi_lpit_native {
+	struct acpi_lpit_header header;
+	struct acpi_generic_address entry_trigger;
+	u32 residency;
+	u32 latency;
+	struct acpi_generic_address residency_counter;
+	u64 counter_frequency;
+};
+
+/* 0x01: Simple I/O based LPI structure */
+
+struct acpi_lpit_io {
+	struct acpi_lpit_header header;
+	struct acpi_generic_address entry_trigger;
+	u32 trigger_action;
+	u64 trigger_value;
+	u64 trigger_mask;
+	struct acpi_generic_address minimum_idle_state;
+	u32 residency;
+	u32 latency;
+	struct acpi_generic_address residency_counter;
+	u64 counter_frequency;
+};
+
+/*******************************************************************************
+ *
+ * MCFG - PCI Memory Mapped Configuration table and subtable
  *        Version 1
  *
  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
@@ -923,7 +988,7 @@ enum acpi_slic_type {
 };
 
 /*
- * SLIC Sub-tables, correspond to Type in struct acpi_slic_header
+ * SLIC Subtables, correspond to Type in struct acpi_slic_header
  */
 
 /* 0: Public Key Structure */

include/acpi/actypes.h

@@ -329,6 +329,15 @@ typedef u32 acpi_physical_address;
  *
  ******************************************************************************/
 
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE(a)                NULL
+#define ACPI_ALLOCATE_ZEROED(a)         NULL
+#define ACPI_FREE(a)
+#define ACPI_MEM_TRACKING(a)
+
+#else				/* ACPI_NO_MEM_ALLOCATIONS */
+
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 /*
  * Memory allocation tracking (used by acpi_exec to detect memory leaks)
@@ -350,6 +359,8 @@ typedef u32 acpi_physical_address;
 
 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
 
+#endif				/* ACPI_NO_MEM_ALLOCATIONS */
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)
@@ -928,9 +939,19 @@ struct acpi_object_list {
  * Miscellaneous common Data Structures used by the interfaces
  */
 #define ACPI_NO_BUFFER              0
+
+#ifdef ACPI_NO_MEM_ALLOCATIONS
+
+#define ACPI_ALLOCATE_BUFFER        (acpi_size) (0)
+#define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (0)
+
+#else				/* ACPI_NO_MEM_ALLOCATIONS */
+
 #define ACPI_ALLOCATE_BUFFER        (acpi_size) (-1)	/* Let ACPICA allocate buffer */
 #define ACPI_ALLOCATE_LOCAL_BUFFER  (acpi_size) (-2)	/* For internal use only (enables tracking) */
 
+#endif				/* ACPI_NO_MEM_ALLOCATIONS */
+
 struct acpi_buffer {
 	acpi_size length;	/* Length in bytes of the buffer */
 	void *pointer;		/* pointer to buffer */

include/acpi/platform/acgcc.h

@@ -64,4 +64,15 @@
  */
 #define ACPI_UNUSED_VAR __attribute__ ((unused))
 
+/*
+ * Some versions of gcc implement strchr() with a buggy macro. So,
+ * undef it here. Prevents error messages of this form (usually from the
+ * file getopt.c):
+ *
+ * error: logical '&&' with non-zero constant will always evaluate as true
+ */
+#ifdef strchr
+#undef strchr
+#endif
+
 #endif				/* __ACGCC_H__ */

include/acpi/platform/aclinux.h

@@ -73,6 +73,37 @@
 #endif
 #include <asm/acpi.h>
 
+#ifndef CONFIG_ACPI
+
+/* External globals for __KERNEL__, stubs is needed */
+
+#define ACPI_GLOBAL(t,a)
+#define ACPI_INIT_GLOBAL(t,a,b)
+
+/* Generating stubs for configurable ACPICA macros */
+
+#define ACPI_NO_MEM_ALLOCATIONS
+
+/* Generating stubs for configurable ACPICA functions */
+
+#define ACPI_NO_ERROR_MESSAGES
+#undef ACPI_DEBUG_OUTPUT
+
+/* External interface for __KERNEL__, stub is needed */
+
+#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
+	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+#define ACPI_EXTERNAL_RETURN_OK(prototype) \
+	static ACPI_INLINE prototype {return(AE_OK);}
+#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
+	static ACPI_INLINE prototype {return;}
+#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
+	static ACPI_INLINE prototype {return(0);}
+#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
+	static ACPI_INLINE prototype {return(NULL);}
+
+#endif				/* CONFIG_ACPI */
+
 /* Host-dependent types and defines for in-kernel ACPICA */
 
 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
@@ -91,7 +122,7 @@
 #include <ctype.h>
 #include <unistd.h>
 
-/* Disable kernel specific declarators */
+/* Define/disable kernel-specific declarators */
 
 #ifndef __init
 #define __init
@@ -106,7 +137,8 @@
 #define ACPI_FLUSH_CPU_CACHE()
 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
 
-#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__)
+#if defined(__ia64__)    || defined(__x86_64__) ||\
+	defined(__aarch64__) || defined(__PPC64__)
 #define ACPI_MACHINE_WIDTH          64
 #define COMPILER_DEPENDENT_INT64    long
 #define COMPILER_DEPENDENT_UINT64   unsigned long