On Mon, 18 Apr 2011, Arnd Bergmann wrote: > On Wednesday 13 April 2011, John Calixto wrote: > > Gah! OK, so much for the v5 I just sent then. What do you think about > > the compat_ioctl that I sent in v2? It means having the extra 32-bit > > compat structure, but at least all the compat overhead is conditional > > upon CONFIG_COMPAT. If you're not using CONFIG_COMPAT, you don't get > > any compat cruft. > > > > A single __u64 is sufficient, because the user space will do the correct > conversion from pointer to 64-bit integer then. The only conversion > you need to worry about is the actual pointer to the main structure, > which needs the compat_ptr() magic. >
Yep. Please see the v6 patch for my latest implementation. John -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
