X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fs390%2FKconfig;h=a9fbd43395f71814d85a284a63900dc5a7dcc018;hb=ac5761a650d22dd7dfad4d417463a0981d2da0a4;hp=ed5cb5af52816940d45c6610e3e2e0d8c1d60a82;hpb=b3aec7b686329e6bb65aa08c7f9458f7fd512f06;p=mv-sheeva.git

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"