linux-kernel - [GIT PULL] x86: remove Intel MPX

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Date:   Wed, 5 Dec 2018 08:44:43 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     the arch/x86 maintainers <x86@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [GIT PULL] x86: remove Intel MPX

Hi x86 maintainers,

Please pull from:

 	git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx.git mpx-remove

There is only one commit, removing the Intel MPX implementation from the
tree.  The benefits of keeping the feature in the tree are not worth the
ongoing maintenance cost.

I updated this branch for 4.20-rc4 and it has passed all of the normal
0-day compile tests.

--

 Documentation/x86/intel_mpx.txt             |  244 ----
 arch/x86/Kconfig                            |   28 -
 arch/x86/include/asm/bugs.h                 |    6 -
 arch/x86/include/asm/disabled-features.h    |    8 +-
 arch/x86/include/asm/fpu/xstate.h           |    4 +-
 arch/x86/include/asm/mmu.h                  |    4 -
 arch/x86/include/asm/mmu_context.h          |   31 -
 arch/x86/include/asm/mpx.h                  |  115 --
 arch/x86/include/asm/processor.h            |   18 -
 arch/x86/include/asm/trace/mpx.h            |  134 ---
 arch/x86/kernel/cpu/common.c                |   18 -
 arch/x86/kernel/cpu/cpuid-deps.c            |    1 -
 arch/x86/kernel/cpu/intel.c                 |   37 -
 arch/x86/kernel/fpu/xstate.c                |    6 +-
 arch/x86/kernel/setup.c                     |    2 -
 arch/x86/kernel/sys_x86_64.c                |    9 -
 arch/x86/kernel/traps.c                     |   74 --
 arch/x86/kvm/cpuid.c                        |   13 +-
 arch/x86/kvm/cpuid.h                        |    1 -
 arch/x86/kvm/svm.c                          |    6 -
 arch/x86/kvm/vmx.c                          |   60 +-
 arch/x86/kvm/x86.c                          |   25 -
 arch/x86/kvm/x86.h                          |    3 +-
 arch/x86/mm/Makefile                        |    1 -
 arch/x86/mm/hugetlbpage.c                   |    5 -
 arch/x86/mm/mpx.c                           |  936 ----------------
 fs/exec.c                                   |    1 -
 include/asm-generic/mm_hooks.h              |   11 -
 include/uapi/linux/prctl.h                  |    2 +-
 kernel/sys.c                                |   13 +-
 mm/mmap.c                                   |    6 -
 tools/testing/selftests/x86/mpx-debug.h     |   15 -
 tools/testing/selftests/x86/mpx-dig.c       |  499 ---------
 tools/testing/selftests/x86/mpx-hw.h        |  124 --
 tools/testing/selftests/x86/mpx-mini-test.c | 1616 --------------------
 tools/testing/selftests/x86/mpx-mm.h        |   10 -
 36 files changed, 13 insertions(+), 4073 deletions(-)
 delete mode 100644 Documentation/x86/intel_mpx.txt
 delete mode 100644 arch/x86/include/asm/mpx.h
 delete mode 100644 arch/x86/include/asm/trace/mpx.h
 delete mode 100644 arch/x86/mm/mpx.c
 delete mode 100644 tools/testing/selftests/x86/mpx-debug.h
 delete mode 100644 tools/testing/selftests/x86/mpx-dig.c
 delete mode 100644 tools/testing/selftests/x86/mpx-hw.h
 delete mode 100644 tools/testing/selftests/x86/mpx-mini-test.c
 delete mode 100644 tools/testing/selftests/x86/mpx-mm.h