On 02/27/2014 11:15 AM, Arnd Bergmann wrote: > On Wednesday 26 February 2014, John Stultz wrote: >> The new 64bit binder API causes build issues on 32bit ARM >> due to the lack of 64bit __get_user_asm_* implementation. > It is impossible to implement this. Many have tried before. > >> Until that implementation is done, remove the choice for >> 32bit ARM, automatically enabling the old 32bit binder >> protocol. >> >> This can be reverted once a 64bit __get_user_asm_* >> implementation is merged. > I think the best solution is to use __copy_from_user for > the 64-bit access. You can wrap it in a helper function > if you want to speed up the native-word-size case.
Ah. Thanks for the context and the tip. Will try to get an appropriate solution there then. thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
