On Thu, Feb 3, 2022 at 1:58 PM John Allen <john.allen@xxxxxxx> wrote: > > On Sun, Jan 30, 2022 at 01:18:38PM -0800, Rick Edgecombe wrote: > > Shadow stack is supported on newer AMD processors, but the kernel > > implementation has not been tested on them. Prevent basic issues from > > showing up for normal users by disabling shadow stack on all CPUs except > > Intel until it has been tested. At which point the limitation should be > > removed. > > Hi Rick, > > I have been testing Yu-Cheng's patchsets on AMD hardware and I am > working on testing this version now. How are you testing this new > series? I can partially test by calling the prctl enable for shadow > stack directly from a program, but I'm not sure how useful that's going > to be without the glibc support. Do you have a public repo with the > necessary glibc changes to enable shadow stack early? > The glibc CET branch is at https://gitlab.com/x86-glibc/glibc/-/commits/users/hjl/cet/master -- H.J.
