On Tue, Dec 06, 2016 at 11:55:08AM +0530, Yury Norov wrote: > On Mon, Dec 05, 2016 at 04:34:23PM +0000, Catalin Marinas wrote: > > On Fri, Oct 21, 2016 at 11:33:15PM +0300, Yury Norov wrote: > > > New aarch32 ptrace syscall handler is introduced to avoid run-time > > > detection of the task type. > > > > What's wrong with the run-time detection? If it's just to avoid a > > negligible overhead, I would rather keep the code simpler by avoiding > > duplicating the generic compat_sys_ptrace(). > > Nothing wrong. This is how Arnd asked me to do. You already asked this > question: http://lkml.iu.edu/hypermail/linux/kernel/1604.3/00930.html Hmm, I completely forgot about this ;). There is still an advantage to doing run-time checking if we avoid touching core code (less acks to gather and less code duplication). Let's see what Arnd says but the initial patch looked simpler. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
