commit 840798a1f52994c172270893bd2ec6013cc92e40
author Philipp Rudo <prudo@linux.vnet.ibm.com> Mon Aug 28 15:32:36 2017 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> Mon Apr 16 09:10:22 2018 +0200
tree 338936422b71c2f0d6ab52fe7c81537cacdeadf0
parent 15ceb8c936d13d940ca9e53996fbd05a26ce96db

s390/kexec_file: Add purgatory

The common code expects the architecture to have a purgatory that runs
between the two kernels. Add it now. For simplicity first skip crash
support.

Signed-off-by: Philipp Rudo <prudo@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/Kbuild

diff --git a/arch/s390/Kbuild b/arch/s390/Kbuild
index 9fdff3f..e63940b 100644
--- a/arch/s390/Kbuild
+++ b/arch/s390/Kbuild
@@ -8,3 +8,4 @@
 obj-y				+= net/
 obj-$(CONFIG_PCI)		+= pci/
 obj-$(CONFIG_NUMA)		+= numa/
+obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += purgatory/