Messages in this thread | | | Subject | Re: [PATCH] tracing/profile: Fix profile_disable vs module_unload | From | Peter Zijlstra <> | Date | Wed, 26 Aug 2009 09:01:32 +0200 |
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On Wed, 2009-08-26 at 08:46 +0200, Peter Zijlstra wrote:
> Aahh, I see the bug, its only ftrace that knows about the module, not > tracepoints themselves, _that_ needs fixing.
You could possibly do something like:
struct module *tp_mod = __module_address(&some_tp_symbol); struct module *cb_mod = __module_text_address(func);
if (tp_mod && tp_mod != cb_mod) { ret = try_get_module(tp_mod); if (ret) goto fail; }
in register_trace_##name() or thereabout.
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