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Diffstat (limited to 'arch/ppc64/Kconfig')
| -rw-r--r-- | arch/ppc64/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig index 5f40b438b584..f804f25232ac 100644 --- a/arch/ppc64/Kconfig +++ b/arch/ppc64/Kconfig @@ -142,6 +142,23 @@ config PPC_SPLPAR processors, that is, which share physical processors between two or more partitions. +config KEXEC + bool "kexec system call (EXPERIMENTAL)" + depends on PPC_MULTIPLATFORM && EXPERIMENTAL + 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 indepedent of the system firmware. And like a reboot + you can start any kernel with it, not just Linux. + + The name comes from the similiarity 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. It may help to enable device hotplugging + support. As of this writing the exact hardware interface is + strongly in flux, so no good recommendation can be made. + config IBMVIO depends on PPC_PSERIES || PPC_ISERIES bool |