Commit 2dfed456 authored by Thomas Gleixner's avatar Thomas Gleixner

lockdep: Remove the ULONG_MAX stack trace hackery

No architecture terminates the stack trace with ULONG_MAX anymore. Remove
the cruft.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/r/20190410103644.485737321@linutronix.de
parent 6a28b4c2
......@@ -444,17 +444,6 @@ static int save_trace(struct stack_trace *trace)
save_stack_trace(trace);
/*
* Some daft arches put -1 at the end to indicate its a full trace.
*
* <rant> this is buggy anyway, since it takes a whole extra entry so a
* complete trace that maxes out the entries provided will be reported
* as incomplete, friggin useless </rant>
*/
if (trace->nr_entries != 0 &&
trace->entries[trace->nr_entries-1] == ULONG_MAX)
trace->nr_entries--;
trace->max_entries = trace->nr_entries;
nr_stack_trace_entries += trace->nr_entries;
......
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