diff options
Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 46 |
1 files changed, 8 insertions, 38 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 6be32254211c..33530b044953 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -549,44 +549,14 @@ menu "Kernel features" source "kernel/Kconfig.hz" -config KEXEC - bool "kexec system call (EXPERIMENTAL)" - depends on MMU - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - The name comes from the similarity to the exec system call. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. As of this writing the exact hardware - interface is strongly in flux, so no good recommendation can be - made. - -config CRASH_DUMP - bool "kernel crash dumps (EXPERIMENTAL)" - depends on BROKEN_ON_SMP - help - Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels - which are loaded in the main kernel with kexec-tools into - a specially reserved region and then later executed after - a crash by kdump/kexec. The crash dump kernel must be compiled - to a memory address not used by the main kernel using - PHYSICAL_START. - - For more details see Documentation/admin-guide/kdump/kdump.rst - -config KEXEC_JUMP - bool "kexec jump (EXPERIMENTAL)" - depends on KEXEC && HIBERNATION - help - Jump between original kernel and kexeced kernel and invoke - code via KEXEC +config ARCH_SUPPORTS_KEXEC + def_bool MMU + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool BROKEN_ON_SMP + +config ARCH_SUPPORTS_KEXEC_JUMP + def_bool y config PHYSICAL_START hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP) |