diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2019-07-22 11:24:41 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-25 15:43:26 +0200 |
| commit | a2970421640bd9b6a78f2685d7750a791abdfd4e (patch) | |
| tree | f0c7d294f17f03a2c8df0a8a26f8ef1ca01c8241 | |
| parent | 364f6afc4f5537b79cf454eb35cae92920676075 (diff) | |
stacktrace: Constify 'entries' arguments
Make it clear to humans and to the compiler that the stack trace
('entries') arguments are not modified.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/r/20190722182443.216015-3-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | include/linux/stacktrace.h | 4 | ||||
| -rw-r--r-- | kernel/stacktrace.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h index f0cfd12cb45e..83bd8cb475d7 100644 --- a/include/linux/stacktrace.h +++ b/include/linux/stacktrace.h @@ -9,9 +9,9 @@ struct task_struct; struct pt_regs; #ifdef CONFIG_STACKTRACE -void stack_trace_print(unsigned long *trace, unsigned int nr_entries, +void stack_trace_print(const unsigned long *trace, unsigned int nr_entries, int spaces); -int stack_trace_snprint(char *buf, size_t size, unsigned long *entries, +int stack_trace_snprint(char *buf, size_t size, const unsigned long *entries, unsigned int nr_entries, int spaces); unsigned int stack_trace_save(unsigned long *store, unsigned int size, unsigned int skipnr); diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index f5440abb7532..6d1f68b7e528 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -20,7 +20,7 @@ * @nr_entries: Number of entries in the storage array * @spaces: Number of leading spaces to print */ -void stack_trace_print(unsigned long *entries, unsigned int nr_entries, +void stack_trace_print(const unsigned long *entries, unsigned int nr_entries, int spaces) { unsigned int i; @@ -43,7 +43,7 @@ EXPORT_SYMBOL_GPL(stack_trace_print); * * Return: Number of bytes printed. */ -int stack_trace_snprint(char *buf, size_t size, unsigned long *entries, +int stack_trace_snprint(char *buf, size_t size, const unsigned long *entries, unsigned int nr_entries, int spaces) { unsigned int generated, i, total = 0; |