Commit-ID: 2dfed4565afe263751d2451ad22336ad806c25a6 Gitweb: https://git.kernel.org/tip/2dfed4565afe263751d2451ad22336ad806c25a6 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Wed, 10 Apr 2019 12:28:04 +0200 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Sun, 14 Apr 2019 19:58:30 +0200 lockdep: Remove the ULONG_MAX stack trace hackery No architecture terminates the stack trace with ULONG_MAX anymore. Remove the cruft. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Link: https://lkml.kernel.org/r/20190410103644.485737321@xxxxxxxxxxxxx --- kernel/locking/lockdep.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index e16766ff184b..2edf9501d906 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -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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