Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (22 commits)
  ACPI: fix early DSDT dmi check warnings on ia64
  ACPICA: Update version to 20100428.
  ACPICA: Update/clarify some parameter names associated with acpi_handle
  ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep
  ACPICA: Prevent possible allocation overrun during object copy
  ACPICA: Split large file, evgpeblk
  ACPICA: Add GPE support for dynamically loaded ACPI tables
  ACPICA: Clarify/rename some root table descriptor fields
  ACPICA: Update version to 20100331.
  ACPICA: Minimize the differences between linux GPE code and ACPICA code base
  ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
  ACPICA: Update DSDT copy/detection.
  ACPICA: Add subsystem option to force copy of DSDT to local memory
  ACPICA: Add detection of corrupted/replaced DSDT
  ACPICA: Add write support for DataTable operation regions
  ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy
  ACPICA: Update comments/headers, no functional change
  ACPICA: Update version to 20100304
  ACPICA: Fix for possible fault in acpi_ex_release_mutex
  ACPICA: Standardize integer output for ACPICA warnings/errors
  ...

80 files changed, 2143 insertions, 1424 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b9b0d7989f4e..b12bacd252fc 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -152,6 +152,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         strict -- Be less tolerant of platforms that are not
                                 strictly ACPI specification compliant.
                         rsdt -- prefer RSDT over (default) XSDT
+                        copy_dsdt -- copy DSDT to memory
 
                         See also Documentation/power/pm.txt, pci=noacpi
 
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 9a5ed58f09dc..488be461a380 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1613,6 +1613,10 @@ static int __init parse_acpi(char *arg)
         /* "acpi=noirq" disables ACPI interrupt routing */
         else if (strcmp(arg, "noirq") == 0) {
                 acpi_noirq_set();
+        }
+        /* "acpi=copy_dsdt" copys DSDT */
+        else if (strcmp(arg, "copy_dsdt") == 0) {
+                acpi_gbl_copy_dsdt_locally = 1;
         } else {
                 /* Core will printk when we return error. */
                 return -EINVAL;
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 7423052ece5a..d93cc06f4bf8 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -14,12 +14,12 @@ acpi-y := dsfield.o   dsmthdat.o  dsopcode.o  dswexec.o  dswscope.o \
 
 acpi-y += evevent.o  evregion.o  evsci.o    evxfevnt.o \
          evmisc.o   evrgnini.o  evxface.o  evxfregn.o \
-         evgpe.o    evgpeblk.o
+         evgpe.o    evgpeblk.o evgpeinit.o  evgpeutil.o
 
 acpi-y += exconfig.o  exfield.o  exnames.o   exoparg6.o  exresolv.o  exstorob.o\
          exconvrt.o  exfldio.o  exoparg1.o  exprep.o    exresop.o   exsystem.o\
          excreate.o  exmisc.o   exoparg2.o  exregion.o  exstore.o   exutils.o \
-         exdump.o    exmutex.o  exoparg3.o  exresnte.o  exstoren.o
+         exdump.o    exmutex.o  exoparg3.o  exresnte.o  exstoren.o  exdebug.o
 
 acpi-y += hwacpi.o  hwgpe.o  hwregs.o  hwsleep.o hwxface.o hwvalid.o
 
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index 3e6ba99e4053..64d1e5c2d4ae 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -73,8 +73,10 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
                              u32 notify_value);
 
 /*
- * evgpe - GPE handling and dispatch
+ * evgpe - Low-level GPE support