Messages in this thread | | | Date | Tue, 22 Apr 2014 11:01:03 -0400 | Subject | Re: [PATCH] Export irq tracepoints for use by kernel modules | From | Josh Boyer <> |
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On Tue, Apr 22, 2014 at 10:26 AM, Christoph Hellwig <hch@infradead.org> wrote: > On Tue, Apr 22, 2014 at 07:24:20AM -0700, Drew Richardson wrote: >> After commit de7b2973903c6cc50b31ee5682a69b2219b9919d ("tracepoint: >> Use struct pointer instead of name hash for reg/unreg tracepoints"), >> any tracepoints used in a kernel module must be exported. > > How does this matter given that there aren't any modular users?
We had a bug report about this breaking systemtap type usage[1]. In there, Matthieu suggested that the new for_each_kernel_tracepoint interface be used.
Drew, it would have been proper to CC the author of the change you're referencing on all of your patches to export these symbols.
josh
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1087623
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