Messages in this thread | | | Subject | Re: Re: [PATCH v4] [BUGFIX] kprobes: Fix "Failed to find blacklist" error on ia64 and ppc64 | From | Michael Ellerman <> | Date | Wed, 02 Jul 2014 14:41:21 +1000 |
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On Tue, 2014-07-01 at 11:21 +0900, Masami Hiramatsu wrote: > (2014/06/30 20:36), Michael Ellerman wrote: > > On Mon, 2014-06-30 at 12:14 +0900, Masami Hiramatsu wrote: > >> Ping? :) > > > > Yeah sorry. I started looking at this and got dragged into another mess. > > > > You seem to have duplicated the functionality of arch_deref_entry_point(), > > which was also added for kprobes, and for the same reason - ie. because some > > arches have strange function pointers. Is there some reason you can't use it? > > Ah, right! Hmm, it seems some more work to update it. but basically, we can do. > BTW, is there any other users who need to access the actual function entry (for > kallsyms case)?
Not that I'm aware of. We have had function descriptors on 64-bit powerpc for ever, so in theory by now we should have already found any cases where we need that sort of wrapper.
cheers
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