diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2021-07-02 15:54:55 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-07-08 15:37:27 +0200 |
| commit | b8e9cc20b808e26329090c19ff80b7f5098e98ff (patch) | |
| tree | b33d3207fc1d8a90ee8e53e8c5b84bb728613ded /arch/s390/kernel/traps.c | |
| parent | 1f0d22defd59f603d63ba51483eeb8d72726ce8b (diff) | |
s390/traps: do not test MONITOR CALL without CONFIG_BUG
tinyconfig fails to boot, because without CONFIG_BUG report_bug()
always returns BUG_TRAP_TYPE_BUG, which causes mc 0,0 in
test_monitor_call() to panic. Fix by skipping the test without
CONFIG_BUG.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/traps.c')
| -rw-r--r-- | arch/s390/kernel/traps.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 019c5748b607..3a6d08d6df6f 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -277,6 +277,8 @@ static void __init test_monitor_call(void) { int val = 1; + if (!IS_ENABLED(CONFIG_BUG)) + return; asm volatile( " mc 0,0\n" "0: xgr %0,%0\n" |