Kconfig: eliminate "def_bool n" constructs

Using "def_bool n" is pointless, simply using bool here appears more
appropriate.

Further, retaining such options that don't have a prompt and aren't
selected by anything seems also at least questionable.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 14 insertions, 35 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index 0267babe5eb9..e6ab550bceb3 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -28,7 +28,7 @@ config OPROFILE_IBS
           If unsure, say N.
 
 config HAVE_OPROFILE
-        def_bool n
+        bool
 
 config KPROBES
         bool "Kprobes"
@@ -42,7 +42,7 @@ config KPROBES
           If in doubt, say "N".
 
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
-        def_bool n
+        bool
         help
           Some architectures are unable to perform unaligned accesses
           without the use of get_unaligned/put_unaligned. Others are
@@ -65,13 +65,13 @@ config KRETPROBES
         depends on KPROBES && HAVE_KRETPROBES
 
 config HAVE_IOREMAP_PROT
-        def_bool n
+        bool
 
 config HAVE_KPROBES
-        def_bool n
+        bool
 
 config HAVE_KRETPROBES
-        def_bool n
+        bool
 
 #
 # An arch should select this if it provides all these things:
@@ -89,16 +89,16 @@ config HAVE_KRETPROBES
 #       signal delivery         calls tracehook_signal_handler()
 #
 config HAVE_ARCH_TRACEHOOK
-        def_bool n
+        bool
 
 config HAVE_DMA_ATTRS
-        def_bool n
+        bool
 
 config USE_GENERIC_SMP_HELPERS
-        def_bool n
+        bool
 
 config HAVE_CLK
-        def_bool n
+        bool
         help
           The <linux/clk.h> calls support software clock gating and
           thus are a key power management tool on many systems.
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 48e496fe1e75..3b7aa38254a8 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -60,14 +60,6 @@ config RWSEM_XCHGADD_ALGORITHM
         bool
         default y
 
-config ARCH_HAS_ILOG2_U32
-        bool
-        default n
-
-config ARCH_HAS_ILOG2_U64
-        bool
-        default n
-
 config HUGETLB_PAGE_SIZE_VARIABLE
         bool
         depends on HUGETLB_PAGE
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f65c2744d573..7ccb6e60e60c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -39,10 +39,6 @@ config ARCH_DEFCONFIG
         default "arch/x86/configs/i386_defconfig" if X86_32
         default "arch/x86/configs/x86_64_defconfig" if X86_64
 
-
-config GENERIC_LOCKBREAK
-        def_bool n
-
 config GENERIC_TIME
         def_bool y
 
@@ -95,7 +91,7 @@ config GENERIC_HWEIGHT
         def_bool y
 
 config GENERIC_GPIO
-        def_bool n
+        bool
 
 config ARCH_MAY_HAVE_PC_FDC
         def_bool y
@@ -106,12 +102,6 @@ config RWSEM_GENERIC_SPINLOCK
 config RWSEM_XCHGADD_ALGORITHM
         def_bool X86_XADD
 
-config ARCH_HAS_ILOG2_U32
-        def_bool n
-
-config ARCH_HAS_ILOG2_U64
-        def_bool n
-
 config ARCH_HAS_CPU_IDLE_WAIT
         def_bool y
 
@@ -758,9 +748,8 @@ config I8K
           Say N otherwise.
 
 config X86_REBOOTFIXUPS
-        def_bool n
-        prompt "Enable X86 board specific fixups for reboot"
-        depends on X86_32 && X86
+        bool "Enable X86 board specific fixups for reboot"
+        depends on X86_32
         ---help---
           This enables chipset and/or board specific fixups to be done
           in order to get reboot to work correctly. This is only needed on
@@ -944,8 +933,7 @@ config HIGHMEM
         depends on X86_32 && (HIGHMEM64G || HIGHMEM4G)
 
 config X86_PAE
-        def_bool n
-        prompt "PAE (Physical Address Extension) Support"
+        bool "PAE (Physical Address Extension) Support"
         depends on X86_32 && !HIGHMEM4G
         select RESOURCES_64BIT
         help
@@ -1238,8 +1226,7 @@ config X86_PAT
           If unsure, say Y.
 
 config EFI
-        def_bool n
-        prompt "EFI runtime service support"
+        bool "EFI runtime service support"
         depends on ACPI
         ---help---
         This enables the kernel to use EFI runtime services that are