From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6AF4C3279B for ; Tue, 10 Jul 2018 22:31:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 720B220C0A for ; Tue, 10 Jul 2018 22:31:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 720B220C0A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732306AbeGJWcV (ORCPT ); Tue, 10 Jul 2018 18:32:21 -0400 Received: from mga02.intel.com ([134.134.136.20]:63054 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732242AbeGJWcV (ORCPT ); Tue, 10 Jul 2018 18:32:21 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2018 15:31:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,335,1526367600"; d="scan'208";a="70305356" Received: from 2b52.sc.intel.com ([143.183.136.52]) by fmsmga004.fm.intel.com with ESMTP; 10 Jul 2018 15:31:10 -0700 From: Yu-cheng Yu To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , "Ravi V. Shankar" , Vedvyas Shanbhogue Cc: Yu-cheng Yu Subject: [RFC PATCH v2 00/27] Control Flow Enforcement (CET) Date: Tue, 10 Jul 2018 15:26:12 -0700 Message-Id: <20180710222639.8241-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The first version of CET patches were divided into four series. They can be found in the following links. https://lkml.org/lkml/2018/6/7/795 https://lkml.org/lkml/2018/6/7/782 https://lkml.org/lkml/2018/6/7/771 https://lkml.org/lkml/2018/6/7/739 Summary of changes in v2: Small fixes in the XSAVES patches. Improve: Documentation/x86/intel_cet.txt. Remove TLB flushing from ptep/pmdp_set_wrprotect for SHSTK. Use shadow stack restore token for signals; save SHSTK pointer after FPU. Rewrite ELF header parsing. Backward compatibility is now handled from GLIBC tunables. Add a new patch to can_follow_write_pte/pmd, for SHSTK. Remove blocking of mremap/madvice/munmap. Add Makefile checking CET support of assembler/compiler. H.J. Lu (1): x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu (26): x86/cpufeatures: Add CPUIDs for Control-flow Enforcement Technology (CET) x86/fpu/xstate: Change some names to separate XSAVES system and user states x86/fpu/xstate: Enable XSAVES system states x86/fpu/xstate: Add XSAVES system states for shadow stack Documentation/x86: Add CET description x86/cet: Control protection exception handler x86/cet/shstk: Add Kconfig option for user-mode shadow stack mm: Introduce VM_SHSTK for shadow stack memory x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW x86/mm: Introduce _PAGE_DIRTY_SW x86/mm: Modify ptep_set_wrprotect and pmdp_set_wrprotect for _PAGE_DIRTY_SW x86/mm: Shadow stack page fault error checking mm: Handle shadow stack page fault mm: Handle THP/HugeTLB shadow stack page fault mm/mprotect: Prevent mprotect from changing shadow stack mm: Modify can_follow_write_pte/pmd for shadow stack x86/cet/shstk: User-mode shadow stack support x86/cet/shstk: Introduce WRUSS instruction x86/cet/shstk: Signal handling for shadow stack x86/cet/shstk: ELF header parsing of CET x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking x86/cet/ibt: User-mode indirect branch tracking support mm/mmap: Add IBT bitmap size to address space limit check x86/cet: Add PTRACE interface for CET x86/cet/shstk: Handle thread shadow stack x86/cet: Add arch_prctl functions for CET .../admin-guide/kernel-parameters.txt | 6 + Documentation/x86/intel_cet.txt | 250 ++++++++++++ arch/x86/Kconfig | 40 ++ arch/x86/Makefile | 14 + arch/x86/entry/entry_64.S | 2 +- arch/x86/entry/vdso/.gitignore | 4 + arch/x86/entry/vdso/Makefile | 12 +- arch/x86/entry/vdso/vdso-layout.lds.S | 1 + arch/x86/ia32/ia32_signal.c | 13 + arch/x86/include/asm/cet.h | 50 +++ arch/x86/include/asm/cpufeatures.h | 2 + arch/x86/include/asm/disabled-features.h | 16 +- arch/x86/include/asm/elf.h | 5 + arch/x86/include/asm/fpu/internal.h | 6 +- arch/x86/include/asm/fpu/regset.h | 7 +- arch/x86/include/asm/fpu/types.h | 22 + arch/x86/include/asm/fpu/xstate.h | 31 +- arch/x86/include/asm/mmu_context.h | 3 + arch/x86/include/asm/msr-index.h | 14 + arch/x86/include/asm/pgtable.h | 135 ++++++- arch/x86/include/asm/pgtable_types.h | 31 +- arch/x86/include/asm/processor.h | 5 + arch/x86/include/asm/sighandling.h | 5 + arch/x86/include/asm/special_insns.h | 45 +++ arch/x86/include/asm/traps.h | 5 + arch/x86/include/uapi/asm/elf_property.h | 16 + arch/x86/include/uapi/asm/prctl.h | 6 + arch/x86/include/uapi/asm/processor-flags.h | 2 + arch/x86/include/uapi/asm/resource.h | 5 + arch/x86/include/uapi/asm/sigcontext.h | 17 + arch/x86/kernel/Makefile | 4 + arch/x86/kernel/cet.c | 375 ++++++++++++++++++ arch/x86/kernel/cet_prctl.c | 141 +++++++ arch/x86/kernel/cpu/common.c | 42 ++ arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/elf.c | 280 +++++++++++++ arch/x86/kernel/fpu/core.c | 11 +- arch/x86/kernel/fpu/init.c | 10 - arch/x86/kernel/fpu/regset.c | 41 ++ arch/x86/kernel/fpu/signal.c | 6 +- arch/x86/kernel/fpu/xstate.c | 152 ++++--- arch/x86/kernel/idt.c | 4 + arch/x86/kernel/process.c | 10 + arch/x86/kernel/process_64.c | 7 + arch/x86/kernel/ptrace.c | 16 + arch/x86/kernel/relocate_kernel_64.S | 2 +- arch/x86/kernel/signal.c | 96 +++++ arch/x86/kernel/traps.c | 58 +++ arch/x86/kvm/vmx.c | 2 +- arch/x86/lib/x86-opcode-map.txt | 2 +- arch/x86/mm/fault.c | 24 +- fs/binfmt_elf.c | 16 + fs/proc/task_mmu.c | 3 + include/asm-generic/pgtable.h | 21 + include/linux/mm.h | 8 + include/uapi/asm-generic/resource.h | 3 + include/uapi/linux/elf.h | 2 + mm/gup.c | 11 +- mm/huge_memory.c | 18 +- mm/internal.h | 8 + mm/memory.c | 38 +- mm/mmap.c | 12 +- mm/mprotect.c | 9 + tools/objtool/arch/x86/lib/x86-opcode-map.txt | 2 +- 64 files changed, 2070 insertions(+), 135 deletions(-) create mode 100644 Documentation/x86/intel_cet.txt create mode 100644 arch/x86/include/asm/cet.h create mode 100644 arch/x86/include/uapi/asm/elf_property.h create mode 100644 arch/x86/kernel/cet.c create mode 100644 arch/x86/kernel/cet_prctl.c create mode 100644 arch/x86/kernel/elf.c -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 35C1F7D071 for ; Tue, 10 Jul 2018 22:31:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732276AbeGJWcV (ORCPT ); Tue, 10 Jul 2018 18:32:21 -0400 Received: from mga02.intel.com ([134.134.136.20]:63054 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732242AbeGJWcV (ORCPT ); Tue, 10 Jul 2018 18:32:21 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2018 15:31:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,335,1526367600"; d="scan'208";a="70305356" Received: from 2b52.sc.intel.com ([143.183.136.52]) by fmsmga004.fm.intel.com with ESMTP; 10 Jul 2018 15:31:10 -0700 From: Yu-cheng Yu To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , "Ravi V. Shankar" , Vedvyas Shanbhogue Cc: Yu-cheng Yu Subject: [RFC PATCH v2 00/27] Control Flow Enforcement (CET) Date: Tue, 10 Jul 2018 15:26:12 -0700 Message-Id: <20180710222639.8241-1-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org The first version of CET patches were divided into four series. They can be found in the following links. https://lkml.org/lkml/2018/6/7/795 https://lkml.org/lkml/2018/6/7/782 https://lkml.org/lkml/2018/6/7/771 https://lkml.org/lkml/2018/6/7/739 Summary of changes in v2: Small fixes in the XSAVES patches. Improve: Documentation/x86/intel_cet.txt. Remove TLB flushing from ptep/pmdp_set_wrprotect for SHSTK. Use shadow stack restore token for signals; save SHSTK pointer after FPU. Rewrite ELF header parsing. Backward compatibility is now handled from GLIBC tunables. Add a new patch to can_follow_write_pte/pmd, for SHSTK. Remove blocking of mremap/madvice/munmap. Add Makefile checking CET support of assembler/compiler. H.J. Lu (1): x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu (26): x86/cpufeatures: Add CPUIDs for Control-flow Enforcement Technology (CET) x86/fpu/xstate: Change some names to separate XSAVES system and user states x86/fpu/xstate: Enable XSAVES system states x86/fpu/xstate: Add XSAVES system states for shadow stack Documentation/x86: Add CET description x86/cet: Control protection exception handler x86/cet/shstk: Add Kconfig option for user-mode shadow stack mm: Introduce VM_SHSTK for shadow stack memory x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW x86/mm: Introduce _PAGE_DIRTY_SW x86/mm: Modify ptep_set_wrprotect and pmdp_set_wrprotect for _PAGE_DIRTY_SW x86/mm: Shadow stack page fault error checking mm: Handle shadow stack page fault mm: Handle THP/HugeTLB shadow stack page fault mm/mprotect: Prevent mprotect from changing shadow stack mm: Modify can_follow_write_pte/pmd for shadow stack x86/cet/shstk: User-mode shadow stack support x86/cet/shstk: Introduce WRUSS instruction x86/cet/shstk: Signal handling for shadow stack x86/cet/shstk: ELF header parsing of CET x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking x86/cet/ibt: User-mode indirect branch tracking support mm/mmap: Add IBT bitmap size to address space limit check x86/cet: Add PTRACE interface for CET x86/cet/shstk: Handle thread shadow stack x86/cet: Add arch_prctl functions for CET .../admin-guide/kernel-parameters.txt | 6 + Documentation/x86/intel_cet.txt | 250 ++++++++++++ arch/x86/Kconfig | 40 ++ arch/x86/Makefile | 14 + arch/x86/entry/entry_64.S | 2 +- arch/x86/entry/vdso/.gitignore | 4 + arch/x86/entry/vdso/Makefile | 12 +- arch/x86/entry/vdso/vdso-layout.lds.S | 1 + arch/x86/ia32/ia32_signal.c | 13 + arch/x86/include/asm/cet.h | 50 +++ arch/x86/include/asm/cpufeatures.h | 2 + arch/x86/include/asm/disabled-features.h | 16 +- arch/x86/include/asm/elf.h | 5 + arch/x86/include/asm/fpu/internal.h | 6 +- arch/x86/include/asm/fpu/regset.h | 7 +- arch/x86/include/asm/fpu/types.h | 22 + arch/x86/include/asm/fpu/xstate.h | 31 +- arch/x86/include/asm/mmu_context.h | 3 + arch/x86/include/asm/msr-index.h | 14 + arch/x86/include/asm/pgtable.h | 135 ++++++- arch/x86/include/asm/pgtable_types.h | 31 +- arch/x86/include/asm/processor.h | 5 + arch/x86/include/asm/sighandling.h | 5 + arch/x86/include/asm/special_insns.h | 45 +++ arch/x86/include/asm/traps.h | 5 + arch/x86/include/uapi/asm/elf_property.h | 16 + arch/x86/include/uapi/asm/prctl.h | 6 + arch/x86/include/uapi/asm/processor-flags.h | 2 + arch/x86/include/uapi/asm/resource.h | 5 + arch/x86/include/uapi/asm/sigcontext.h | 17 + arch/x86/kernel/Makefile | 4 + arch/x86/kernel/cet.c | 375 ++++++++++++++++++ arch/x86/kernel/cet_prctl.c | 141 +++++++ arch/x86/kernel/cpu/common.c | 42 ++ arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/elf.c | 280 +++++++++++++ arch/x86/kernel/fpu/core.c | 11 +- arch/x86/kernel/fpu/init.c | 10 - arch/x86/kernel/fpu/regset.c | 41 ++ arch/x86/kernel/fpu/signal.c | 6 +- arch/x86/kernel/fpu/xstate.c | 152 ++++--- arch/x86/kernel/idt.c | 4 + arch/x86/kernel/process.c | 10 + arch/x86/kernel/process_64.c | 7 + arch/x86/kernel/ptrace.c | 16 + arch/x86/kernel/relocate_kernel_64.S | 2 +- arch/x86/kernel/signal.c | 96 +++++ arch/x86/kernel/traps.c | 58 +++ arch/x86/kvm/vmx.c | 2 +- arch/x86/lib/x86-opcode-map.txt | 2 +- arch/x86/mm/fault.c | 24 +- fs/binfmt_elf.c | 16 + fs/proc/task_mmu.c | 3 + include/asm-generic/pgtable.h | 21 + include/linux/mm.h | 8 + include/uapi/asm-generic/resource.h | 3 + include/uapi/linux/elf.h | 2 + mm/gup.c | 11 +- mm/huge_memory.c | 18 +- mm/internal.h | 8 + mm/memory.c | 38 +- mm/mmap.c | 12 +- mm/mprotect.c | 9 + tools/objtool/arch/x86/lib/x86-opcode-map.txt | 2 +- 64 files changed, 2070 insertions(+), 135 deletions(-) create mode 100644 Documentation/x86/intel_cet.txt create mode 100644 arch/x86/include/asm/cet.h create mode 100644 arch/x86/include/uapi/asm/elf_property.h create mode 100644 arch/x86/kernel/cet.c create mode 100644 arch/x86/kernel/cet_prctl.c create mode 100644 arch/x86/kernel/elf.c -- 2.17.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu-cheng Yu Subject: [RFC PATCH v2 00/27] Control Flow Enforcement (CET) Date: Tue, 10 Jul 2018 15:26:12 -0700 Message-ID: <20180710222639.8241-1-yu-cheng.yu@intel.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek Peter Cc: Yu-cheng Yu List-Id: linux-api@vger.kernel.org The first version of CET patches were divided into four series. They can be found in the following links. https://lkml.org/lkml/2018/6/7/795 https://lkml.org/lkml/2018/6/7/782 https://lkml.org/lkml/2018/6/7/771 https://lkml.org/lkml/2018/6/7/739 Summary of changes in v2: Small fixes in the XSAVES patches. Improve: Documentation/x86/intel_cet.txt. Remove TLB flushing from ptep/pmdp_set_wrprotect for SHSTK. Use shadow stack restore token for signals; save SHSTK pointer after FPU. Rewrite ELF header parsing. Backward compatibility is now handled from GLIBC tunables. Add a new patch to can_follow_write_pte/pmd, for SHSTK. Remove blocking of mremap/madvice/munmap. Add Makefile checking CET support of assembler/compiler. H.J. Lu (1): x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu (26): x86/cpufeatures: Add CPUIDs for Control-flow Enforcement Technology (CET) x86/fpu/xstate: Change some names to separate XSAVES system and user states x86/fpu/xstate: Enable XSAVES system states x86/fpu/xstate: Add XSAVES system states for shadow stack Documentation/x86: Add CET description x86/cet: Control protection exception handler x86/cet/shstk: Add Kconfig option for user-mode shadow stack mm: Introduce VM_SHSTK for shadow stack memory x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW x86/mm: Introduce _PAGE_DIRTY_SW x86/mm: Modify ptep_set_wrprotect and pmdp_set_wrprotect for _PAGE_DIRTY_SW x86/mm: Shadow stack page fault error checking mm: Handle shadow stack page fault mm: Handle THP/HugeTLB shadow stack page fault mm/mprotect: Prevent mprotect from changing shadow stack mm: Modify can_follow_write_pte/pmd for shadow stack x86/cet/shstk: User-mode shadow stack support x86/cet/shstk: Introduce WRUSS instruction x86/cet/shstk: Signal handling for shadow stack x86/cet/shstk: ELF header parsing of CET x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking x86/cet/ibt: User-mode indirect branch tracking support mm/mmap: Add IBT bitmap size to address space limit check x86/cet: Add PTRACE interface for CET x86/cet/shstk: Handle thread shadow stack x86/cet: Add arch_prctl functions for CET .../admin-guide/kernel-parameters.txt | 6 + Documentation/x86/intel_cet.txt | 250 ++++++++++++ arch/x86/Kconfig | 40 ++ arch/x86/Makefile | 14 + arch/x86/entry/entry_64.S | 2 +- arch/x86/entry/vdso/.gitignore | 4 + arch/x86/entry/vdso/Makefile | 12 +- arch/x86/entry/vdso/vdso-layout.lds.S | 1 + arch/x86/ia32/ia32_signal.c | 13 + arch/x86/include/asm/cet.h | 50 +++ arch/x86/include/asm/cpufeatures.h | 2 + arch/x86/include/asm/disabled-features.h | 16 +- arch/x86/include/asm/elf.h | 5 + arch/x86/include/asm/fpu/internal.h | 6 +- arch/x86/include/asm/fpu/regset.h | 7 +- arch/x86/include/asm/fpu/types.h | 22 + arch/x86/include/asm/fpu/xstate.h | 31 +- arch/x86/include/asm/mmu_context.h | 3 + arch/x86/include/asm/msr-index.h | 14 + arch/x86/include/asm/pgtable.h | 135 ++++++- arch/x86/include/asm/pgtable_types.h | 31 +- arch/x86/include/asm/processor.h | 5 + arch/x86/include/asm/sighandling.h | 5 + arch/x86/include/asm/special_insns.h | 45 +++ arch/x86/include/asm/traps.h | 5 + arch/x86/include/uapi/asm/elf_property.h | 16 + arch/x86/include/uapi/asm/prctl.h | 6 + arch/x86/include/uapi/asm/processor-flags.h | 2 + arch/x86/include/uapi/asm/resource.h | 5 + arch/x86/include/uapi/asm/sigcontext.h | 17 + arch/x86/kernel/Makefile | 4 + arch/x86/kernel/cet.c | 375 ++++++++++++++++++ arch/x86/kernel/cet_prctl.c | 141 +++++++ arch/x86/kernel/cpu/common.c | 42 ++ arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/elf.c | 280 +++++++++++++ arch/x86/kernel/fpu/core.c | 11 +- arch/x86/kernel/fpu/init.c | 10 - arch/x86/kernel/fpu/regset.c | 41 ++ arch/x86/kernel/fpu/signal.c | 6 +- arch/x86/kernel/fpu/xstate.c | 152 ++++--- arch/x86/kernel/idt.c | 4 + arch/x86/kernel/process.c | 10 + arch/x86/kernel/process_64.c | 7 + arch/x86/kernel/ptrace.c | 16 + arch/x86/kernel/relocate_kernel_64.S | 2 +- arch/x86/kernel/signal.c | 96 +++++ arch/x86/kernel/traps.c | 58 +++ arch/x86/kvm/vmx.c | 2 +- arch/x86/lib/x86-opcode-map.txt | 2 +- arch/x86/mm/fault.c | 24 +- fs/binfmt_elf.c | 16 + fs/proc/task_mmu.c | 3 + include/asm-generic/pgtable.h | 21 + include/linux/mm.h | 8 + include/uapi/asm-generic/resource.h | 3 + include/uapi/linux/elf.h | 2 + mm/gup.c | 11 +- mm/huge_memory.c | 18 +- mm/internal.h | 8 + mm/memory.c | 38 +- mm/mmap.c | 12 +- mm/mprotect.c | 9 + tools/objtool/arch/x86/lib/x86-opcode-map.txt | 2 +- 64 files changed, 2070 insertions(+), 135 deletions(-) create mode 100644 Documentation/x86/intel_cet.txt create mode 100644 arch/x86/include/asm/cet.h create mode 100644 arch/x86/include/uapi/asm/elf_property.h create mode 100644 arch/x86/kernel/cet.c create mode 100644 arch/x86/kernel/cet_prctl.c create mode 100644 arch/x86/kernel/elf.c -- 2.17.1