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-rw-r--r--arch/s390/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index ed5cb5af528..a9fbd43395f 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -91,6 +91,7 @@ config S390
select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
select HAVE_RCU_TABLE_FREE if SMP
+ select ARCH_SAVE_PAGE_KEYS if HIBERNATION
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK
@@ -568,6 +569,16 @@ config KEXEC
current kernel, and to start another kernel. It is like a reboot
but is independent of hardware/microcode support.
+config CRASH_DUMP
+ bool "kernel crash dumps"
+ depends on 64BIT
+ help
+ Generate crash dump after being started by kexec.
+ Crash dump kernels are loaded in the main kernel with kexec-tools
+ into a specially reserved region and then later executed after
+ a crash by kdump/kexec.
+ For more details see Documentation/kdump/kdump.txt
+
config ZFCPDUMP
def_bool n
prompt "zfcpdump support"