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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
| commit | 3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2 (patch) | |
| tree | 2cd8a8d61f350aa3b00e6b0afc998544923f183e /kernel/trace/ftrace.c | |
| parent | 9be1b56a3e718aa998772019c57c398dbb19e258 (diff) | |
| parent | 07a66d7c53a538e1a9759954a82bb6c07365eff9 (diff) | |
Merge branch 'x86/urgent' into x86/core
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); |