diff options
Diffstat (limited to 'arch/s390/kernel/trace.c')
| -rw-r--r-- | arch/s390/kernel/trace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kernel/trace.c b/arch/s390/kernel/trace.c index 21a5df9..dde7654 100644 --- a/arch/s390/kernel/trace.c +++ b/arch/s390/kernel/trace.c @@ -18,6 +18,9 @@ void trace_s390_diagnose_norecursion(int diag_nr) unsigned long flags; unsigned int *depth; + /* Avoid lockdep recursion. */ + if (IS_ENABLED(CONFIG_LOCKDEP)) + return; local_irq_save(flags); depth = this_cpu_ptr(&diagnose_trace_depth); if (*depth == 0) { |