Messages in this thread | | | Date | Tue, 26 Aug 2008 06:46:17 -0700 | From | Arjan van de Ven <> | Subject | Re: PATCH] debug: add notifier chain debugging |
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On Mon, 25 Aug 2008 22:08:00 -0700 "Tony Luck" <tony.luck@intel.com> wrote:
> >> This breaks on ia64 (and pa-risc I think) where function pointers > >> don't point directly at the code, they point to a {code,data} > >> structure which is itself located in data space, not text space. > > > > is there a way to go to the actual address? I'm sure this is a bit > > more common.... (like kallsyms!) > > See dereference_function_descriptor() in lib/vsprintf.c (where it will > be clear that my memory was wrong and that PPC64 is the other > architecture that needs this). > > Perhaps this needs to be moved to some place in asm-generic so > that it can be used by code like your sanity check?
or we make a func_is_kernel_text() thast maps underneath... after all that'll be a common use of this function ;)
> > -Tony
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