diff --git a/arch/um/Kconfig b/arch/um/Kconfig index d9541d13d9eb..5af245ede463 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -210,25 +210,6 @@ config MCONSOLE It is safe to say 'Y' here. -config MAGIC_SYSRQ - bool "Magic SysRq key" - depends on MCONSOLE - help - If you say Y here, you will have some control over the system even - if the system crashes for example during kernel debugging (e.g., you - will be able to flush the buffer cache to disk, reboot the system - immediately or dump some status information). A key for each of the - possible requests is provided. - - This is the feature normally accomplished by pressing a key - while holding SysRq (Alt+PrintScreen). - - On UML, this is accomplished by sending a "sysrq" command with - mconsole, followed by the letter for the requested command. - - The keys are documented in . Don't say Y - unless you really know what this hack does. - config KERNEL_STACK_ORDER int "Kernel stack size order" default 2 if 64BIT diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 134b15a44625..06b63750d6aa 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -649,7 +649,7 @@ menu "Generic Kernel Debugging Instruments" config MAGIC_SYSRQ bool "Magic SysRq key" - depends on !UML + depends on !UML || MCONSOLE help If you say Y here, you will have some control over the system even if the system crashes for example during kernel debugging (e.g., you @@ -657,9 +657,11 @@ config MAGIC_SYSRQ immediately or dump some status information). This is accomplished by pressing various keys while holding SysRq (Alt+PrintScreen). It also works on a serial console (on PC hardware at least), if you - send a BREAK and then within 5 seconds a command keypress. The - keys are documented in . - Don't say Y unless you really know what this hack does. + send a BREAK and then within 5 seconds a command keypress. On UML, + this is accomplished by sending a "sysrq" command with mconsole, + followed by the letter for the requested command. The keys are + documented in . Don't say + Y unless you really know what this hack does. config MAGIC_SYSRQ_DEFAULT_ENABLE hex "Enable magic SysRq key functions by default"