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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-06-27 22:26:44 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-06-27 22:26:44 +0200 |
| commit | a976c2951d8f376112361830aa7762beff83a205 (patch) | |
| tree | 24f6647aedd4b570cb67f3195962f5c8a040c824 /kernel/stacktrace.c | |
| parent | 83848fbe7e6af978c080a88c130a67178b1ac0e4 (diff) | |
| parent | 16b9951f656ea8f2b47546bd898325a7e256932f (diff) | |
Merge back ACPICA material for v4.13.
Diffstat (limited to 'kernel/stacktrace.c')
| -rw-r--r-- | kernel/stacktrace.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index 9c15a9124e83..f8edee9c792d 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -54,8 +54,8 @@ int snprint_stack_trace(char *buf, size_t size, EXPORT_SYMBOL_GPL(snprint_stack_trace); /* - * Architectures that do not implement save_stack_trace_tsk or - * save_stack_trace_regs get this weak alias and a once-per-bootup warning + * Architectures that do not implement save_stack_trace_*() + * get these weak aliases and once-per-bootup warnings * (whenever this facility is utilized - for example by procfs): */ __weak void @@ -69,3 +69,11 @@ save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) { WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n"); } + +__weak int +save_stack_trace_tsk_reliable(struct task_struct *tsk, + struct stack_trace *trace) +{ + WARN_ONCE(1, KERN_INFO "save_stack_tsk_reliable() not implemented yet.\n"); + return -ENOSYS; +} |