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| author | Dave Airlie <airlied@redhat.com> | 2016-03-14 09:42:34 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-03-14 09:46:02 +1000 |
| commit | 9b61c0fcdf0cfd20a85d9856d46142e7f297de0a (patch) | |
| tree | d4abe6aa3f4e1e088f9da1d0597e078b1fe58912 /arch/s390/kernel/trace.c | |
| parent | 550e3b23a53c88adfa46e64f9d442743e65d47da (diff) | |
| parent | 125234dc8b1cc862f52d8bd5b37c36cc59b2cb86 (diff) | |
Merge drm-fixes into drm-next.
Nouveau wanted this to avoid some worse conflicts when I merge that.
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 21a5df99552b..dde7654f5c68 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) { |