From e929bf5a52aab72b44e2ecae5a431189a4c48463 Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Sun, 28 Jul 2019 18:15:26 -0700
Subject: [PATCH] Fix channel programs on s390x

When adapting the original sources for s390x the JMP_BUF_CNT was
mistakenly halved due to an incorrect assumption of the size of
a unsigned long.  They are 8 bytes for the s390x architecture.
Increase JMP_BUF_CNT accordingly.

Authored-by: Don Brady <don.brady@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reported-by: Colin Ian King <canonical.com>
Tested-by: Colin Ian King <canonical.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8992
Closes #9080
---
 module/lua/ldo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/lua/ldo.c b/module/lua/ldo.c
index aca02b234770..59d0b6a2c298 100644
--- a/module/lua/ldo.c
+++ b/module/lua/ldo.c
@@ -61,7 +61,7 @@
 #elif defined(__mips__)
 #define JMP_BUF_CNT	12
 #elif defined(__s390x__)
-#define JMP_BUF_CNT	9
+#define JMP_BUF_CNT	18
 #else
 #define	JMP_BUF_CNT	1
 #endif