Messages in this thread | | | Date | Fri, 10 Dec 2010 17:43:42 +0200 | Subject | Re: [PATCHv2 3/4] staging: tidspbridge - remove disabling twl when printing DSP stack | From | Felipe Contreras <> |
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On Fri, Dec 10, 2010 at 5:55 AM, Fernando Guzman Lugo <fernando.lugo@ti.com> wrote: > Now the SHM segments are not in lock tlbs, instead > they are in translation tables. So we cannot disable > twl in order to get the DSP stack dump. Also add a check > for __get_free_page allocation.
Why?
This means there's a possibility that there will be lingering entries in the translation tables, and that the DSP side would be able to corrupt kernel memory.
-- Felipe Contreras
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