[S390] Kconfig: Select CONFIG_KEXEC for CONFIG_CRASH_DUMP

The kdump infrastructure is built on top of kexec. Therefore
CONFIG_KEXEC has to be enabled when CONFIG_CRASH_DUMP is selected.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a9fbd43395f71814d85a284a63900dc5a7dcc018..373679b3744a7992c7009281c1747b3aeb38157a 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -572,6 +572,7 @@ config KEXEC
 config CRASH_DUMP
        bool "kernel crash dumps"
        depends on 64BIT
+       select KEXEC
        help
          Generate crash dump after being started by kexec.
          Crash dump kernels are loaded in the main kernel with kexec-tools