init_task: Replace CONFIG_HAVE_GENERIC_INIT_TASK

Now that all archs except ia64 are converted, replace the config and
let the ia64 select CONFIG_ARCH_INIT_TASK
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120503085035.867948914@linutronix.de

arch/Kconfig

@@ -148,7 +148,8 @@ config USE_GENERIC_SMP_HELPERS
 config GENERIC_SMP_IDLE_THREAD
        bool
 
-config HAVE_GENERIC_INIT_TASK
+# Select if arch init_task initializer is different to init/init_task.c
+config ARCH_INIT_TASK
        bool
 
 config HAVE_REGS_AND_STACK_ACCESS_API

arch/alpha/Kconfig

@@ -16,7 +16,6 @@ config ALPHA
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,

arch/arm/Kconfig

@@ -35,7 +35,6 @@ config ARM
 	select GENERIC_PCI_IOMAP
 	select HAVE_BPF_JIT if NET
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  The ARM series is a line of low-power-consumption RISC chip designs
 	  licensed by ARM Ltd and targeted at embedded applications and

arch/avr32/Kconfig

@@ -12,7 +12,6 @@ config AVR32
 	select HARDIRQS_SW_RESEND
 	select GENERIC_IRQ_SHOW
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  AVR32 is a high-performance 32-bit RISC microprocessor core,
 	  designed for cost-sensitive embedded applications, with particular

arch/blackfin/Kconfig

@@ -38,7 +38,6 @@ config BLACKFIN
 	select IRQ_PER_CPU if SMP
 	select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 config GENERIC_CSUM
 	def_bool y

arch/c6x/Kconfig

@@ -10,7 +10,6 @@ config TMS320C6X
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_GENERIC_HARDIRQS
-	select HAVE_GENERIC_INIT_TASK
 	select HAVE_MEMBLOCK
 	select SPARSE_IRQ
 	select IRQ_DOMAIN

arch/cris/Kconfig

@@ -50,7 +50,6 @@ config CRIS
 	select GENERIC_IRQ_SHOW
 	select GENERIC_IOMAP
 	select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32
-	select HAVE_GENERIC_INIT_TASK
 
 config HZ
 	int

arch/frv/Kconfig

@@ -9,7 +9,6 @@ config FRV
 	select GENERIC_IRQ_SHOW
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_CPU_DEVICES
-	select HAVE_GENERIC_INIT_TASK
 
 config ZONE_DMA
 	bool

arch/h8300/Kconfig

@@ -5,7 +5,6 @@ config H8300
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
-	select HAVE_GENERIC_INIT_TASK
 
 config SYMBOL_PREFIX
 	string

arch/hexagon/Kconfig

@@ -28,7 +28,6 @@ config HEXAGON
 	select NO_IOPORT
 	select GENERIC_IOMAP
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 	# mostly generic routines, with some accelerated ones
 	---help---
 	  Qualcomm Hexagon is a processor architecture designed for high

arch/ia64/Kconfig

@@ -34,6 +34,7 @@ config IA64
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_IOMAP
 	select GENERIC_SMP_IDLE_THREAD
+	select ARCH_INIT_TASK
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to

arch/m32r/Kconfig

@@ -11,7 +11,6 @@ config M32R
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_ATOMIC64
-	select HAVE_GENERIC_INIT_TASK
 
 config SBUS
 	bool

arch/m68k/Kconfig

@@ -8,7 +8,6 @@ config M68K
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
 	select GENERIC_CPU_DEVICES
 	select FPU if MMU
-	select HAVE_GENERIC_INIT_TASK
 
 config RWSEM_GENERIC_SPINLOCK
 	bool

arch/microblaze/Kconfig

@@ -22,7 +22,6 @@ config MICROBLAZE
 	select GENERIC_PCI_IOMAP
 	select GENERIC_CPU_DEVICES
 	select GENERIC_ATOMIC64
-	select HAVE_GENERIC_INIT_TASK
 
 config SWAP
 	def_bool n

arch/mips/Kconfig

@@ -30,7 +30,6 @@ config MIPS
 	select HAVE_MEMBLOCK_NODE_MAP
 	select ARCH_DISCARD_MEMBLOCK
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 menu "Machine selection"
 

arch/mn10300/Kconfig

@@ -6,7 +6,6 @@ config MN10300
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_KGDB
 	select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
-	select HAVE_GENERIC_INIT_TASK
 
 config AM33_2
 	def_bool n

arch/openrisc/Kconfig

@@ -17,7 +17,6 @@ config OPENRISC
 	select GENERIC_IOMAP
 	select GENERIC_CPU_DEVICES
 	select GENERIC_ATOMIC64
-	select HAVE_GENERIC_INIT_TASK
 
 config MMU
 	def_bool y

arch/parisc/Kconfig

@@ -18,7 +18,6 @@ config PARISC
 	select IRQ_PER_CPU
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 	help
 	  The PA-RISC microprocessor is designed by Hewlett-Packard and used

arch/powerpc/Kconfig

@@ -145,7 +145,6 @@ config PPC
 	select HAVE_ARCH_JUMP_LABEL
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 config EARLY_PRINTK
 	bool

arch/s390/Kconfig

@@ -123,7 +123,6 @@ config S390
 	select ARCH_INLINE_WRITE_UNLOCK_IRQ
 	select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 config SCHED_OMIT_FRAME_POINTER
 	def_bool y

arch/score/Kconfig

@@ -9,7 +9,6 @@ config SCORE
        select HAVE_MEMBLOCK_NODE_MAP
        select ARCH_DISCARD_MEMBLOCK
        select GENERIC_CPU_DEVICES
-       select HAVE_GENERIC_INIT_TASK
 
 choice
 	prompt "System type"

arch/sh/Kconfig

@@ -29,7 +29,6 @@ config SUPERH
 	select GENERIC_ATOMIC64
 	select GENERIC_IRQ_SHOW
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast

arch/sparc/Kconfig

@@ -31,7 +31,6 @@ config SPARC
 	select GENERIC_PCI_IOMAP
 	select HAVE_NMI_WATCHDOG if SPARC64
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 config SPARC32
 	def_bool !64BIT

arch/tile/Kconfig

@@ -13,7 +13,6 @@ config TILE
 	select GENERIC_IRQ_SHOW
 	select SYS_HYPERVISOR
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
-	select HAVE_GENERIC_INIT_TASK
 
 # FIXME: investigate whether we need/want these options.
 #	select HAVE_IOREMAP_PROT

arch/um/Kconfig.common

@@ -10,7 +10,6 @@ config UML
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
 	select GENERIC_IO
-	select HAVE_GENERIC_INIT_TASK
 
 config MMU
 	bool

arch/unicore32/Kconfig

@@ -13,7 +13,6 @@ config UNICORE32
 	select GENERIC_IRQ_SHOW
 	select ARCH_WANT_FRAME_POINTERS
 	select GENERIC_IOMAP
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  UniCore-32 is 32-bit Instruction Set Architecture,
 	  including a series of low-power-consumption RISC chip

arch/x86/Kconfig

@@ -83,7 +83,6 @@ config X86
 	select GENERIC_IOMAP
 	select DCACHE_WORD_ACCESS if !DEBUG_PAGEALLOC
 	select GENERIC_SMP_IDLE_THREAD
-	select HAVE_GENERIC_INIT_TASK
 
 config INSTRUCTION_DECODER
 	def_bool (KPROBES || PERF_EVENTS)

arch/xtensa/Kconfig

@@ -10,7 +10,6 @@ config XTENSA
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
-	select HAVE_GENERIC_INIT_TASK
 	help
 	  Xtensa processors are 32-bit RISC machines designed by Tensilica
 	  primarily for embedded systems.  These processors are both

init/Makefile

@@ -9,7 +9,10 @@ else
 obj-$(CONFIG_BLK_DEV_INITRD)   += initramfs.o
 endif
 obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
-obj-$(CONFIG_HAVE_GENERIC_INIT_TASK) += init_task.o
+
+ifneq ($(CONFIG_ARCH_INIT_TASK),y)
+obj-y                          += init_task.o
+endif
 
 mounts-y			:= do_mounts.o
 mounts-$(CONFIG_BLK_DEV_RAM)	+= do_mounts_rd.o