The config option CRASH_HOTPLUG enables in kernel update to kexec
segments due to CPU/Memory hotplug events. By default it is disabled.
Signed-off-by: Sourabh Jain <sourabhj...@linux.ibm.com>
---
arch/powerpc/Kconfig | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b8c4ac56bddc5..57d18cc5d27c5 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -668,6 +668,18 @@ config CRASH_DUMP
The same kernel binary can be used as production kernel and dump
capture kernel.
+config CRASH_HOTPLUG
+ bool "Update crash capture system on CPU/Memory hotplug event"
+ default n
+ depends on CRASH_DUMP && (HOTPLUG_CPU || MEMORY_HOTPLUG)
+ help
+ In kernel update to relevant kexec segments due to change
+ in system configuration, rather reloading all the kexec
+ segments again from userspace by monitoring CPU/Memory
+ hotplug event in userspace using udev.
+
+ If unsure, say Y.
+
config FA_DUMP
bool "Firmware-assisted dump"
depends on PPC64 && (PPC_RTAS || PPC_POWERNV)
--
2.39.1
