x86, core: remove CONFIG_FORCED_INLINING

Other than the defconfigs, remove the entry in compiler-gcc4.h,
Kconfig.debug and feature-removal-schedule.txt.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Documentation/feature-removal-schedule.txt

@@ -111,15 +111,6 @@ Who:	Christoph Hellwig <hch@lst.de>
 
 ---------------------------
 
-What:	CONFIG_FORCED_INLINING
-When:	June 2006
-Why:	Config option is there to see if gcc is good enough. (in january
-        2006). If it is, the behavior should just be the default. If it's not,
-	the option should just go away entirely.
-Who:    Arjan van de Ven
-
----------------------------
-
 What:   eepro100 network driver
 When:   January 2007
 Why:    replaced by the e100 driver

arch/x86/configs/i386_defconfig

@@ -1421,7 +1421,6 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set

arch/x86/configs/x86_64_defconfig

@@ -1346,7 +1346,6 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set

include/linux/compiler-gcc4.h

@@ -5,15 +5,6 @@
 /* These definitions are for GCC v4.x.  */
 #include <linux/compiler-gcc.h>
 
-#ifdef CONFIG_FORCED_INLINING
-# undef inline
-# undef __inline__
-# undef __inline
-# define inline			inline		__attribute__((always_inline))
-# define __inline__		__inline__	__attribute__((always_inline))
-# define __inline		__inline	__attribute__((always_inline))
-#endif
-
 #define __used			__attribute__((__used__))
 #define __must_check 		__attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)

lib/Kconfig.debug

@@ -465,20 +465,6 @@ config FRAME_POINTER
 	  some architectures or if you use external debuggers.
 	  If you don't debug the kernel, you can say N.
 
-config FORCED_INLINING
-	bool "Force gcc to inline functions marked 'inline'"
-	depends on DEBUG_KERNEL
-	default y
-	help
-	  This option determines if the kernel forces gcc to inline the functions
-	  developers have marked 'inline'. Doing so takes away freedom from gcc to
-	  do what it thinks is best, which is desirable for the gcc 3.x series of
-	  compilers. The gcc 4.x series have a rewritten inlining algorithm and
-	  disabling this option will generate a smaller kernel there. Hopefully
-	  this algorithm is so good that allowing gcc4 to make the decision can
-	  become the default in the future, until then this option is there to
-	  test gcc for this.
-
 config BOOT_PRINTK_DELAY
 	bool "Delay each boot printk message by N milliseconds"
 	depends on DEBUG_KERNEL && PRINTK && GENERIC_CALIBRATE_DELAY