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Message-Id: <20061027132353.f280e854.akpm@osdl.org> Date: Fri, 27 Oct 2006 13:23:53 -0700 From: Andrew Morton <akpm@...l.org> To: Randy Dunlap <randy.dunlap@...cle.com> Cc: lkml <linux-kernel@...r.kernel.org>, gregkh <greg@...ah.com>, sam@...nborg.org, Ankita Garg <ankita@...ibm.com> Subject: Re: [PATCH 2/2] kconfig.debug menu dependencies On Fri, 27 Oct 2006 12:08:37 -0700 Randy Dunlap <randy.dunlap@...cle.com> wrote: > DEBUG_FS, HEADERS_CHECK, and UNWIND don't depend on DEBUG_KERNEL but > they were stuck into the middle of the DEBUG_KERNEL menu, so move > them up above it (since it continues wherever lib/Kconfig.debug was > sourced into, hence below it won't work). > > Also make LKDTM depend on DEBUG_KERNEL, as other test modules do > (e.g., RT MUTEX TESTER, RCU TORTURE TEST). This conflicts fairly seriously with the below. From: Don Mullis <dwm@...r.net> Refactor Kconfig content to maximize nesting of menus by menuconfig and xconfig. Tested by simultaneously running `make xconfig` with and without patch, and comparing displays. Signed-off-by: Don Mullis <dwm@...r.net> Signed-off-by: Randy Dunlap <rdunlap@...otime.net> Cc: Sam Ravnborg <sam@...nborg.org> Cc: Roman Zippel <zippel@...ux-m68k.org> Signed-off-by: Andrew Morton <akpm@...l.org> --- drivers/parport/Kconfig | 6 +- drivers/pci/hotplug/Kconfig | 3 - drivers/serial/Kconfig | 53 ++++++++++----------- lib/Kconfig.debug | 85 +++++++++++++++++----------------- 4 files changed, 74 insertions(+), 73 deletions(-) diff -puN drivers/parport/Kconfig~kconfig-refactoring-for-better-menu-nesting drivers/parport/Kconfig --- a/drivers/parport/Kconfig~kconfig-refactoring-for-better-menu-nesting +++ a/drivers/parport/Kconfig @@ -82,9 +82,6 @@ config PARPORT_PC_PCMCIA Say Y here if you need PCMCIA support for your PC-style parallel ports. If unsure, say N. -config PARPORT_NOT_PC - bool - config PARPORT_IP32 tristate "SGI IP32 builtin port (EXPERIMENTAL)" depends on SGI_IP32 && PARPORT && EXPERIMENTAL @@ -158,5 +155,8 @@ config PARPORT_1284 transfer modes. Also say Y if you want device ID information to appear in /proc/sys/dev/parport/*/autoprobe*. It is safe to say N. +config PARPORT_NOT_PC + bool + endmenu diff -puN drivers/pci/hotplug/Kconfig~kconfig-refactoring-for-better-menu-nesting drivers/pci/hotplug/Kconfig --- a/drivers/pci/hotplug/Kconfig~kconfig-refactoring-for-better-menu-nesting +++ a/drivers/pci/hotplug/Kconfig @@ -76,7 +76,8 @@ config HOTPLUG_PCI_IBM config HOTPLUG_PCI_ACPI tristate "ACPI PCI Hotplug driver" - depends on (!ACPI_DOCK && ACPI && HOTPLUG_PCI) || (ACPI_DOCK && HOTPLUG_PCI) + depends on HOTPLUG_PCI + depends on (!ACPI_DOCK && ACPI) || (ACPI_DOCK) help Say Y here if you have a system that supports PCI Hotplug using ACPI. diff -puN drivers/serial/Kconfig~kconfig-refactoring-for-better-menu-nesting drivers/serial/Kconfig --- a/drivers/serial/Kconfig~kconfig-refactoring-for-better-menu-nesting +++ a/drivers/serial/Kconfig @@ -151,32 +151,6 @@ config SERIAL_8250_MANY_PORTS say N here to save some memory. You can also say Y if you have an "intelligent" multiport card such as Cyclades, Digiboards, etc. -config SERIAL_8250_SHARE_IRQ - bool "Support for sharing serial interrupts" - depends on SERIAL_8250_EXTENDED - help - Some serial boards have hardware support which allows multiple dumb - serial ports on the same board to share a single IRQ. To enable - support for this in the serial driver, say Y here. - -config SERIAL_8250_DETECT_IRQ - bool "Autodetect IRQ on standard ports (unsafe)" - depends on SERIAL_8250_EXTENDED - help - Say Y here if you want the kernel to try to guess which IRQ - to use for your serial port. - - This is considered unsafe; it is far better to configure the IRQ in - a boot script using the setserial command. - - If unsure, say N. - -config SERIAL_8250_RSA - bool "Support RSA serial ports" - depends on SERIAL_8250_EXTENDED - help - ::: To be written ::: - # # Multi-port serial cards # @@ -199,7 +173,6 @@ config SERIAL_8250_ACCENT To compile this driver as a module, choose M here: the module will be called 8250_accent. - config SERIAL_8250_BOCA tristate "Support Boca cards" depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS @@ -219,6 +192,32 @@ config SERIAL_8250_HUB6 To compile this driver as a module, choose M here: the module will be called 8250_hub6. +config SERIAL_8250_SHARE_IRQ + bool "Support for sharing serial interrupts" + depends on SERIAL_8250_EXTENDED + help + Some serial boards have hardware support which allows multiple dumb + serial ports on the same board to share a single IRQ. To enable + support for this in the serial driver, say Y here. + +config SERIAL_8250_DETECT_IRQ + bool "Autodetect IRQ on standard ports (unsafe)" + depends on SERIAL_8250_EXTENDED + help + Say Y here if you want the kernel to try to guess which IRQ + to use for your serial port. + + This is considered unsafe; it is far better to configure the IRQ in + a boot script using the setserial command. + + If unsure, say N. + +config SERIAL_8250_RSA + bool "Support RSA serial ports" + depends on SERIAL_8250_EXTENDED + help + ::: To be written ::: + config SERIAL_8250_MCA tristate "Support 8250-type ports on MCA buses" depends on SERIAL_8250 != n && MCA diff -puN lib/Kconfig.debug~kconfig-refactoring-for-better-menu-nesting lib/Kconfig.debug --- a/lib/Kconfig.debug~kconfig-refactoring-for-better-menu-nesting +++ a/lib/Kconfig.debug @@ -46,6 +46,48 @@ config UNUSED_SYMBOLS you really need it, and what the merge plan to the mainline kernel for your module is. +config DEBUG_FS + bool "Debug Filesystem" + depends on SYSFS + help + debugfs is a virtual file system that kernel developers use to put + debugging files into. Enable this option to be able to read and + write to these files. + + If unsure, say N. + +config UNWIND_INFO + bool "Compile the kernel with frame unwind information" + depends on !IA64 && !PARISC + depends on !MODULES || !(MIPS || PPC || SUPERH || V850) + help + If you say Y here the resulting kernel image will be slightly larger + but not slower, and it will give very useful debugging information. + If you don't debug the kernel, you can say N, but we may not be able + to solve problems without frame unwind information or frame pointers. + +config STACK_UNWIND + bool "Stack unwind support" + depends on UNWIND_INFO + depends on X86 + help + This enables more precise stack traces, omitting all unrelated + occurrences of pointers into kernel code from the dump. + +config HEADERS_CHECK + bool "Run 'make headers_check' when building vmlinux" + depends on !UML + help + This option will extract the user-visible kernel headers whenever + building the kernel, and will run basic sanity checks on them to + ensure that exported files do not attempt to include files which + were not exported, etc. + + If you're making modifications to header files which are + relevant for userspace, say 'Y', and check the headers + exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in + your build tree), to make sure they're suitable. + config DEBUG_KERNEL bool "Kernel debugging" help @@ -301,16 +343,6 @@ config DEBUG_INFO If unsure, say N. -config DEBUG_FS - bool "Debug Filesystem" - depends on SYSFS - help - debugfs is a virtual file system that kernel developers use to put - debugging files into. Enable this option to be able to read and - write to these files. - - If unsure, say N. - config DEBUG_VM bool "Debug VM" depends on DEBUG_KERNEL @@ -339,24 +371,6 @@ config FRAME_POINTER some architectures or if you use external debuggers. If you don't debug the kernel, you can say N. -config UNWIND_INFO - bool "Compile the kernel with frame unwind information" - depends on !IA64 && !PARISC - depends on !MODULES || !(MIPS || PPC || SUPERH || V850) - help - If you say Y here the resulting kernel image will be slightly larger - but not slower, and it will give very useful debugging information. - If you don't debug the kernel, you can say N, but we may not be able - to solve problems without frame unwind information or frame pointers. - -config STACK_UNWIND - bool "Stack unwind support" - depends on UNWIND_INFO - depends on X86 - help - This enables more precise stack traces, omitting all unrelated - occurrences of pointers into kernel code from the dump. - config FORCED_INLINING bool "Force gcc to inline functions marked 'inline'" depends on DEBUG_KERNEL @@ -371,20 +385,6 @@ config FORCED_INLINING become the default in the future, until then this option is there to test gcc for this. -config HEADERS_CHECK - bool "Run 'make headers_check' when building vmlinux" - depends on !UML - help - This option will extract the user-visible kernel headers whenever - building the kernel, and will run basic sanity checks on them to - ensure that exported files do not attempt to include files which - were not exported, etc. - - If you're making modifications to header files which are - relevant for userspace, say 'Y', and check the headers - exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in - your build tree), to make sure they're suitable. - config RCU_TORTURE_TEST tristate "torture tests for RCU" depends on DEBUG_KERNEL @@ -401,6 +401,7 @@ config RCU_TORTURE_TEST config LKDTM tristate "Linux Kernel Dump Test Tool Module" + depends on DEBUG_KERNEL depends on KPROBES default n help _ - 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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