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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-11 17:10:07 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-11 17:10:07 +1100 |
| commit | e14eee56c2280953c6e3d24d5dce42bd90836b81 (patch) | |
| tree | 21ab792d9ad6fbbab460058f352a0158f995644e /kernel/trace/ftrace.c | |
| parent | d6ee6f7e4c74d9a0fed7544f4d389bde004651d3 (diff) | |
| parent | 99adcd9d67aaf04e28f5ae96df280f236bde4b66 (diff) | |
| download | blackbird-op-linux-e14eee56c2280953c6e3d24d5dce42bd90836b81.tar.gz blackbird-op-linux-e14eee56c2280953c6e3d24d5dce42bd90836b81.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9a236ffe2aa4..fdf913dfc7e8 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2033,7 +2033,7 @@ free: static int start_graph_tracing(void) { struct ftrace_ret_stack **ret_stack_list; - int ret; + int ret, cpu; ret_stack_list = kmalloc(FTRACE_RETSTACK_ALLOC_SIZE * sizeof(struct ftrace_ret_stack *), @@ -2042,6 +2042,10 @@ static int start_graph_tracing(void) if (!ret_stack_list) return -ENOMEM; + /* The cpu_boot init_task->ret_stack will never be freed */ + for_each_online_cpu(cpu) + ftrace_graph_init_task(idle_task(cpu)); + do { ret = alloc_retstack_tasklist(ret_stack_list); } while (ret == -EAGAIN); |
