From ad3e6948f90ac3d71f9c03ec92009d99dfb561e9 Mon Sep 17 00:00:00 2001
From: Sven Schnelle <svens@linux.ibm.com>
Date: Mon, 28 Sep 2020 07:22:50 +0200
Subject: [PATCH] s390: remove cad commandline option

remove the cad command line option as the instruction was never
published and never used by userspace.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
 arch/s390/kernel/early.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 078277231858..705844f73934 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -274,19 +274,6 @@ static int __init disable_vector_extension(char *str)
 }
 early_param("novx", disable_vector_extension);
 
-static int __init cad_setup(char *str)
-{
-	bool enabled;
-	int rc;
-
-	rc = kstrtobool(str, &enabled);
-	if (!rc && enabled && test_facility(128))
-		/* Enable problem state CAD. */
-		__ctl_set_bit(2, 3);
-	return rc;
-}
-early_param("cad", cad_setup);
-
 char __bootdata(early_command_line)[COMMAND_LINE_SIZE];
 static void __init setup_boot_command_line(void)
 {