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Date: Fri, 29 Aug 2008 12:49:07 +0100 From: "Jan Beulich" <jbeulich@...ell.com> To: "Roman Zippel" <zippel@...ux-m68k.org>, <sam@...nborg.org> Cc: "Ingo Molnar" <mingo@...e.hu>, <tony.luck@...el.com>, <linux-kernel@...r.kernel.org> Subject: [PATCH] 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@...ell.com> Cc: Ingo Molnar <mingo@...e.hu> Cc: Tony Luck <tony.luck@...el.com> --- arch/Kconfig | 18 +++++++++--------- arch/ia64/Kconfig | 8 -------- arch/x86/Kconfig | 23 +++++------------------ drivers/ide/Kconfig | 2 +- kernel/time/Kconfig | 1 - lib/Kconfig | 4 ++-- mm/Kconfig | 4 ++-- 7 files changed, 19 insertions(+), 41 deletions(-) --- linux-2.6.27-rc5/arch/Kconfig 2008-08-21 14:37:27.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/arch/Kconfig 2008-08-19 12:45:21.000000000 +0200 @@ -14,7 +14,7 @@ config OPROFILE If unsure, say N. config HAVE_OPROFILE - def_bool n + bool config KPROBES bool "Kprobes" @@ -28,7 +28,7 @@ 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 @@ -51,13 +51,13 @@ 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: @@ -75,16 +75,16 @@ 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. --- linux-2.6.27-rc5/arch/ia64/Kconfig 2008-08-21 14:37:27.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/arch/ia64/Kconfig 2008-08-19 12:43:54.000000000 +0200 @@ -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 --- linux-2.6.27-rc5/arch/x86/Kconfig 2008-08-29 10:55:12.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/arch/x86/Kconfig 2008-08-20 14:25:50.000000000 +0200 @@ -37,10 +37,6 @@ 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 @@ -93,7 +89,7 @@ config GENERIC_HWEIGHT def_bool y config GENERIC_GPIO - def_bool n + bool config ARCH_MAY_HAVE_PC_FDC def_bool y @@ -104,12 +100,6 @@ 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 @@ -922,8 +911,7 @@ 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 @@ -1166,8 +1154,7 @@ 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 --- linux-2.6.27-rc5/drivers/ide/Kconfig 2008-08-21 14:37:30.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/drivers/ide/Kconfig 2008-08-19 12:43:54.000000000 +0200 @@ -4,7 +4,7 @@ # Select HAVE_IDE if IDE is supported config HAVE_IDE - def_bool n + bool menuconfig IDE tristate "ATA/ATAPI/MFM/RLL support" --- linux-2.6.27-rc5/kernel/time/Kconfig 2008-01-24 23:58:37.000000000 +0100 +++ 2.6.27-rc5-kconfig-cleanup/kernel/time/Kconfig 2008-08-19 12:43:54.000000000 +0200 @@ -3,7 +3,6 @@ # config TICK_ONESHOT bool - default n config NO_HZ bool "Tickless System (Dynamic Ticks)" --- linux-2.6.27-rc5/lib/Kconfig 2008-08-21 14:37:35.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/lib/Kconfig 2008-08-19 12:43:54.000000000 +0200 @@ -8,10 +8,10 @@ config BITREVERSE tristate config GENERIC_FIND_FIRST_BIT - def_bool n + bool config GENERIC_FIND_NEXT_BIT - def_bool n + bool config CRC_CCITT tristate "CRC-CCITT functions" --- linux-2.6.27-rc5/mm/Kconfig 2008-08-21 14:37:35.000000000 +0200 +++ 2.6.27-rc5-kconfig-cleanup/mm/Kconfig 2008-08-19 12:43:54.000000000 +0200 @@ -101,7 +101,7 @@ config HAVE_MEMORY_PRESENT # with gcc 3.4 and later. # config SPARSEMEM_STATIC - def_bool n + bool # # Architecture platforms which require a two level mem_section in SPARSEMEM @@ -113,7 +113,7 @@ config SPARSEMEM_EXTREME depends on SPARSEMEM && !SPARSEMEM_STATIC config SPARSEMEM_VMEMMAP_ENABLE - def_bool n + bool config SPARSEMEM_VMEMMAP bool "Sparse Memory virtual memmap" -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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