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| author | Ingo Molnar <mingo@kernel.org> | 2016-02-23 07:36:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-23 07:36:46 +0100 |
| commit | fb86780bf7708cd6553f592a6318f10eda766127 (patch) | |
| tree | b59737c56a407c9f82166576209ef8e8cd09ecc6 /arch/s390/kernel/trace.c | |
| parent | 8f8e2aec9944dd12671182a1a26b8e1a35872a1d (diff) | |
| parent | dd71a17b1193dd4a4c35ecd0ba227aac3d110836 (diff) | |
| download | linux-fb86780bf7708cd6553f592a6318f10eda766127.tar.bz2 | |
Merge branch 'x86/urgent' into x86/platform, to queue up dependent patch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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) { |