Commit-ID: 1b59562d3ab09dcef188eb8055d05f0336380394 Gitweb: https://git.kernel.org/tip/1b59562d3ab09dcef188eb8055d05f0336380394 Author: Thomas Gleixner <[email protected]> AuthorDate: Thu, 25 Apr 2019 11:44:57 +0200 Committer: Thomas Gleixner <[email protected]> CommitDate: Mon, 29 Apr 2019 12:37:47 +0200
backtrace-test: Simplify stack trace handling Replace the indirection through struct stack_trace by using the storage array based interfaces. Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Josh Poimboeuf <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Alexander Potapenko <[email protected]> Cc: Alexey Dobriyan <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: [email protected] Cc: David Rientjes <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: [email protected] Cc: Mike Rapoport <[email protected]> Cc: Akinobu Mita <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: [email protected] Cc: Robin Murphy <[email protected]> Cc: Marek Szyprowski <[email protected]> Cc: Johannes Thumshirn <[email protected]> Cc: David Sterba <[email protected]> Cc: Chris Mason <[email protected]> Cc: Josef Bacik <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Mike Snitzer <[email protected]> Cc: Alasdair Kergon <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: [email protected] Cc: Joonas Lahtinen <[email protected]> Cc: Maarten Lankhorst <[email protected]> Cc: [email protected] Cc: David Airlie <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Rodrigo Vivi <[email protected]> Cc: Tom Zanussi <[email protected]> Cc: Miroslav Benes <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected] --- kernel/backtracetest.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/kernel/backtracetest.c b/kernel/backtracetest.c index 1323360d90e3..a563c8fdad0d 100644 --- a/kernel/backtracetest.c +++ b/kernel/backtracetest.c @@ -48,19 +48,14 @@ static void backtrace_test_irq(void) #ifdef CONFIG_STACKTRACE static void backtrace_test_saved(void) { - struct stack_trace trace; unsigned long entries[8]; + unsigned int nr_entries; pr_info("Testing a saved backtrace.\n"); pr_info("The following trace is a kernel self test and not a bug!\n"); - trace.nr_entries = 0; - trace.max_entries = ARRAY_SIZE(entries); - trace.entries = entries; - trace.skip = 0; - - save_stack_trace(&trace); - print_stack_trace(&trace, 0); + nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0); + stack_trace_print(entries, nr_entries, 0); } #else static void backtrace_test_saved(void)

