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s390: remove cad commandline option

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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>
This commit is contained in:
Sven Schnelle 2020-09-28 07:22:50 +02:00 committed by Vasily Gorbik
parent 2835c2ea95
commit ad3e6948f9
1 changed files with 0 additions and 13 deletions
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13
arch/s390/kernel/early.c
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@ -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)
{