From 840798a1f52994c172270893bd2ec6013cc92e40 Mon Sep 17 00:00:00 2001
From: Philipp Rudo <prudo@linux.vnet.ibm.com>
Date: Mon, 28 Aug 2017 15:32:36 +0200
Subject: 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/include/asm/purgatory.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 arch/s390/include/asm/purgatory.h

(limited to 'arch/s390/include/asm')

diff --git a/arch/s390/include/asm/purgatory.h b/arch/s390/include/asm/purgatory.h
new file mode 100644
index 000000000000..e297bcfc476f
--- /dev/null
+++ b/arch/s390/include/asm/purgatory.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 2018
+ *
+ * Author(s): Philipp Rudo <prudo@linux.vnet.ibm.com>
+ */
+
+#ifndef _S390_PURGATORY_H_
+#define _S390_PURGATORY_H_
+#ifndef __ASSEMBLY__
+
+#include <linux/purgatory.h>
+
+int verify_sha256_digest(void);
+
+#endif	/* __ASSEMBLY__ */
+#endif /* _S390_PURGATORY_H_ */
-- 
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