Ram Pai <linux...@us.ibm.com> writes: > On Tue, Oct 24, 2017 at 05:48:15PM +0200, Michael Ellerman wrote: >> Ram Pai <linux...@us.ibm.com> writes: >> >> > Finally this patch provides the ability for a process to >> > allocate and free a protection key. >> >> This must be the last patch in the series. >> >> We don't want to expose a half working interface to userspace. > > The way the patch series is organized -- this patch; even-though > introduces the syscall, the syscall will fail because the pkey subsystem > is enabled only by the last patch. Till than the code exists , but does > a great job of failing with an appropriate return code.
See my previous mail :) Please don't add the syscall until it can work. cheers
