Re: [PATCH 00/34] x86: Memory Protection Keys (v5)

From	Andy Lutomirski <luto@amacapital.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH 00/34] x86: Memory Protection Keys (v5)
Date	2015-12-05 00:40 +0100
Message-ID	<qC87f-TJ-3@gated-at.bofh.it> (permalink)
References	<qBNct-4nR-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Dec 3, 2015 at 5:14 PM, Dave Hansen <dave@sr71.net> wrote:
> Memory Protection Keys for User pages is a CPU feature which will
> first appear on Skylake Servers, but will also be supported on
> future non-server parts.  It provides a mechanism for enforcing
> page-based protections, but without requiring modification of the
> page tables when an application changes protection domains.  See
> the Documentation/ patch for more details.

What, if anything, happened to the signal handling parts?

Also, do you have a git tree for this somewhere?  I can't actually
enable it (my laptop, while very shiny, is not a Skylake server), but
I can poke around a bit.

--Andy
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[PATCH 00/34] x86: Memory Protection Keys (v5) Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 09/34] x86, pkeys: store protection in high VMA flags Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 09/34] x86, pkeys: store protection in high VMA flags Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 15:20 +0100
  [PATCH 32/34] x86, pkeys: add pkey set/get syscalls Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 29/34] x86: separate out LDT init from context init Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 31/34] x86, pkeys: allocation/free syscalls Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 12/34] signals, pkeys: notify userspace about protection key faults Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 20/34] x86, pkeys: differentiate instruction fetches Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 20/34] x86, pkeys: differentiate instruction fetches Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:20 +0100
  [PATCH 19/34] x86, pkeys: optimize fault handling in access_error() Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 19/34] x86, pkeys: optimize fault handling in  access_error() Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:20 +0100
  [PATCH 18/34] mm: add gup flag to indicate "foreign" mm access Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 27/34] x86, pkeys: make mprotect_key() mask off additional vm_flags Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 27/34] x86, pkeys: make mprotect_key() mask off additional  vm_flags Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:50 +0100
  [PATCH 23/34] x86, pkeys: add Kconfig prompt to existing config option Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 23/34] x86, pkeys: add Kconfig prompt to existing config  option Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:30 +0100
  [PATCH 25/34] x86, pkeys: add arch_validate_pkey() Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 25/34] x86, pkeys: add arch_validate_pkey() Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:50 +0100
  [PATCH 33/34] x86, pkeys: actually enable Memory Protection Keys in CPU Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 26/34] mm: implement new mprotect_key() system call Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
    Re: [PATCH 26/34] mm: implement new mprotect_key() system call "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2015-12-05 08:00 +0100
      Re: [PATCH 26/34] mm: implement new mprotect_key() system call Dave Hansen <dave@sr71.net> - 2015-12-07 17:50 +0100
        Re: [PATCH 26/34] mm: implement new mprotect_key() system call "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2015-12-09 12:10 +0100
          Re: [PATCH 26/34] mm: implement new mprotect_key() system call Dave Hansen <dave@sr71.net> - 2015-12-09 16:50 +0100
            Re: [PATCH 26/34] mm: implement new mprotect_key() system call "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2015-12-09 17:50 +0100
              Re: [PATCH 26/34] mm: implement new mprotect_key() system call Dave Hansen <dave@sr71.net> - 2015-12-09 18:10 +0100
                Re: [PATCH 26/34] mm: implement new mprotect_key() system call "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2015-12-11 21:20 +0100
  [PATCH 24/34] mm, multi-arch: pass a protection key in to calc_vm_flag_bits() Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 22/34] x86, pkeys: dump PTE pkey in /proc/pid/smaps Dave Hansen <dave@sr71.net> - 2015-12-04 02:20 +0100
  [PATCH 14/34] x86, pkeys: add functions to fetch PKRU Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
    Re: [PATCH 14/34] x86, pkeys: add functions to fetch PKRU Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 16:20 +0100
  [PATCH 11/34] x86, pkeys: pass VMA down in to fault signal generation code Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 02/34] x86, fpu: add placeholder for Processor Trace XSAVE state Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 16/34] x86, mm: simplify get_user_pages() PTE bit handling Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
    Re: [PATCH 16/34] x86, mm: simplify get_user_pages() PTE bit  handling Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:10 +0100
      Re: [PATCH 16/34] x86, mm: simplify get_user_pages() PTE bit handling Dave Hansen <dave@sr71.net> - 2015-12-08 19:40 +0100
  [PATCH 10/34] x86, pkeys: arch-specific protection bits Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
    Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 16:20 +0100
      Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Dave Hansen <dave@sr71.net> - 2015-12-08 17:40 +0100
        Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 18:30 +0100
          Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Dave Hansen <dave@sr71.net> - 2015-12-08 19:10 +0100
            Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:40 +0100
            Re: [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:40 +0100
  [PATCH 06/34] x86, pkeys: add PKRU xsave fields and data structure(s) Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 05/34] x86, pkeys: define new CR4 bit Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 01/34] mm, gup: introduce concept of "foreign" get_user_pages() Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 17/34] x86, pkeys: check VMAs and PTEs for protection keys Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
    Re: [PATCH 17/34] x86, pkeys: check VMAs and PTEs for protection  keys Thomas Gleixner <tglx@linutronix.de> - 2015-12-08 19:20 +0100
  [PATCH 13/34] x86, pkeys: fill in pkey field in siginfo Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 08/34] x86, pkeys: new page fault error code bit: PF_PK Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 07/34] x86, pkeys: PTE bits for storing protection key Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  [PATCH 04/34] x86, pkeys: cpuid bit definition Dave Hansen <dave@sr71.net> - 2015-12-04 02:30 +0100
  Re: [PATCH 00/34] x86: Memory Protection Keys (v5) Dave Hansen <dave@sr71.net> - 2015-12-05 00:40 +0100
    Re: [PATCH 00/34] x86: Memory Protection Keys (v5) Andy Lutomirski <luto@amacapital.net> - 2015-12-11 21:20 +0100
  Re: [PATCH 00/34] x86: Memory Protection Keys (v5) Andy Lutomirski <luto@amacapital.net> - 2015-12-05 00:40 +0100

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