Messages in this thread | | | Date | Sun, 8 Oct 2017 14:42:14 -0400 | From | Steven Rostedt <> | Subject | Re: [for-next][PATCH 15/16] ftrace: Add freeing algorithm to free ftrace_mod_maps |
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On Sun, 8 Oct 2017 01:42:15 -0700 Joel Fernandes <joelaf@google.com> wrote:
> Hi Steve, > > > "Joel Fernandes (Google)" <joel.opensrc@gmail.com> wrote: > [..] > > Also could you let me know what is the correct behavior of the filters > > after a module being traced is unloaded, are the filters supposed to > > be setup again after the module is unloaded, before the module can be > > loaded again? > > Actually I learnt that it doesn't get preserved and wrote a patch to fix that, let me know > what you think, thanks. (its only lightly tested - checked that the filters are preserved, > will do more testing tomorrow):
They should not be preserved, it's too non-deterministic.
I'm wondering why the setting of the ip to zero didn't keep it from showing up again. I'll have to investigate that.
-- Steve
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