Messages in this thread Patch in this message | | | Date | Thu, 28 Aug 2008 23:47:42 -0600 | From | jmerkey@wolfmoun ... | Subject | [PATCH 2.6.27-rc5 28/29] mdb: add Kconfig.debug sections and documentation |
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add Kconfig.debug sections and documentation
updated help sections for MAGIC_SYSRQ keyboard support. Added X86 option restruction for X86 only features.
Signed-off-by: Jeffrey Vernon Merkey (jmerkey@wolfmountaingroup.com)
--- a/lib/Kconfig.debug 2008-08-28 14:19:32.000000000 -0600 +++ b/lib/Kconfig.debug 2008-08-28 14:20:04.000000000 -0600 @@ -134,6 +134,43 @@ Say Y here if you are developing drivers or trying to debug and identify kernel problems. +config MDB + tristate "Merkey's Kernel Debugger" + depends on DEBUG_KERNEL && X86 + select MAGIC_SYSRQ + select KALLSYMS + select KALLSYMS_ALL + default m + help + Kernel Debugger for Linux written by Jeffrey Vernon + Merkey. 'echo j > /proc/sysrq-trigger' will activate the + debugger from the text based Linux Console, and the 'j' + character (alt-printscreen/sysrq + 'j') with MAGIC_SYSRQ + enabled to enter the debugger. X is not supported. + This debugger is minimal and text based. Excellent help can + be obtained from the debugger by typing "Help Help" or + "help" from the debugger command console. If you compiled + MDB as a module you may need to load the debugger with + the 'modprobe mdb' before you can access the debugger + from the Linux Console. To enable the MAGIC-SYSRQ key + type 'echo 1 > /proc/sys/kernel/sysrq'. + +config MDB_CONSOLE_REDIRECTION + bool "MDB Console Redirection Support" + depends on MDB + default y + help + Reset any Console Redirection to default system settings (0) + when the MDB debugger is active. The Debugger will restore + the redirection to the custom settings when the debugger + is exited. This feature is useful on systems which by default + redirect printk output and the screen debugger output to a log + file or system device, which can prevent the debugger screen from + being visible. Enabling this feature does not affect or disable + remote operations via serial port. It is recommended to enable + this feature by default if intensive debugging is intended for + the target system. + config DEBUG_SHIRQ bool "Debug shared IRQ handlers" depends on DEBUG_KERNEL && GENERIC_HARDIRQS
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