On Wed, May 10, 2017 at 09:08:41AM +0100, Al Viro wrote: > On Wed, May 10, 2017 at 09:37:04AM +0200, Arnd Bergmann wrote: > > > > How about trying to remove all of them? If we could actually get rid > > > of all of them, we could drop the arch support, and we'd get faster, > > > simpler, shorter uaccess code throughout the kernel. > > BTW, not all get_user() under KERNEL_DS are plain loads. There is an > exception - probe_kernel_read(). And various calls that looks like opencoded versions, e.g. drivers/dio or the ELF loader. But in the long run we'll just need a separate primitive for that, but that can wait until the set_fs calls outside the core code are gone. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
