Commit-ID: 1b59562d3ab09dcef188eb8055d05f0336380394 Gitweb: https://git.kernel.org/tip/1b59562d3ab09dcef188eb8055d05f0336380394 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Thu, 25 Apr 2019 11:44:57 +0200 Committer: Thomas Gleixner <t...@linutronix.de> 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 <t...@linutronix.de> Reviewed-by: Josh Poimboeuf <jpoim...@redhat.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Steven Rostedt <rost...@goodmis.org> Cc: Alexander Potapenko <gli...@google.com> Cc: Alexey Dobriyan <adobri...@gmail.com> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Christoph Lameter <c...@linux.com> Cc: Pekka Enberg <penb...@kernel.org> Cc: linux...@kvack.org Cc: David Rientjes <rient...@google.com> Cc: Catalin Marinas <catalin.mari...@arm.com> Cc: Dmitry Vyukov <dvyu...@google.com> Cc: Andrey Ryabinin <aryabi...@virtuozzo.com> Cc: kasan-...@googlegroups.com Cc: Mike Rapoport <r...@linux.vnet.ibm.com> Cc: Akinobu Mita <akinobu.m...@gmail.com> Cc: Christoph Hellwig <h...@lst.de> Cc: io...@lists.linux-foundation.org Cc: Robin Murphy <robin.mur...@arm.com> Cc: Marek Szyprowski <m.szyprow...@samsung.com> Cc: Johannes Thumshirn <jthumsh...@suse.de> Cc: David Sterba <dste...@suse.com> Cc: Chris Mason <c...@fb.com> Cc: Josef Bacik <jo...@toxicpanda.com> Cc: linux-bt...@vger.kernel.org Cc: dm-de...@redhat.com Cc: Mike Snitzer <snit...@redhat.com> Cc: Alasdair Kergon <a...@redhat.com> Cc: Daniel Vetter <dan...@ffwll.ch> Cc: intel-...@lists.freedesktop.org Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: dri-de...@lists.freedesktop.org Cc: David Airlie <airl...@linux.ie> Cc: Jani Nikula <jani.nik...@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.v...@intel.com> Cc: Tom Zanussi <tom.zanu...@linux.intel.com> Cc: Miroslav Benes <mbe...@suse.cz> Cc: linux-a...@vger.kernel.org Link: https://lkml.kernel.org/r/20190425094801.501919...@linutronix.de --- 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)
