Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Peter Anvin:
 "There is a small EFI fix and a big power regression fix in this batch.

  My queue also had a fix for downing a CPU when there are insufficient
  number of IRQ vectors available, but I'm holding that one for now due
  to recent bug reports"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Don't select EFI from certain special ACPI drivers
  x86 idle: Repair large-server 50-watt idle-power regression

drivers/firmware/efi/Kconfig

@@ -36,7 +36,7 @@ config EFI_VARS_PSTORE_DEFAULT_DISABLE
 	  backend for pstore by default. This setting can be overridden
 	  using the efivars module's pstore_disable parameter.
 
-config UEFI_CPER
-	def_bool n
-
 endmenu
+
+config UEFI_CPER
+	bool

drivers/firmware/efi/Makefile

@@ -1,7 +1,7 @@
 #
 # Makefile for linux kernel
 #
-obj-y					+= efi.o vars.o
+obj-$(CONFIG_EFI)			+= efi.o vars.o
 obj-$(CONFIG_EFI_VARS)			+= efivars.o
 obj-$(CONFIG_EFI_VARS_PSTORE)		+= efi-pstore.o
 obj-$(CONFIG_UEFI_CPER)			+= cper.o