On 07/08/2016 12:18 AM, Ingo Molnar wrote: > So the question is, what is user-space going to do? Do any glibc > patches exist? How are the user-space library side APIs going to look > like? My goal at the moment is to get folks enabled to the point that they can start modifying apps to use pkeys without having to patch their kernels. I don't have confidence that we can design good high-level userspace interfaces without seeing some real apps try to use the low-level ones and seeing how they struggle. I had some glibc code to do the pkey alloc/free operations, but those aren't necessary if we're doing it in the kernel. Other than getting the syscall wrappers in place, I don't have any immediate plans to do anything in glibc. Was there something you were expecting to see? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>