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)

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