On Mon, Nov 20, 2017 at 9:07 AM, Andy Lutomirski <l...@kernel.org> wrote: > This sets up stack switching, including for SYSCALL. I think it's > in decent shape.
> > - 32-bit kernels are failing the sigreturn_32 test. But they're also > failing without the patches, so I'm not sure this is a bug in the > series per se. Needs further investigation. (Off the top of my head, > this could be further fallout from Thomas's IDT rework.) Hmm, I lied. They *were* failing, but it was fixed by: commit d0cd64b02aa854d68ce517cb7da1fe4e4fff2653 Author: Yonghong Song <y...@fb.com> Date: Wed Nov 8 11:28:45 2017 -0800 x86/idt: Remove X86_TRAP_BP initialization in idt_setup_traps() so never mind. I'd love to get the x86 selftests added to 0day's pile.