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Message-Id: <20181011151523.27101-1-yu-cheng.yu@intel.com>
Date: Thu, 11 Oct 2018 08:14:56 -0700
From: Yu-cheng Yu <yu-cheng.yu@...el.com>
To: x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, linux-mm@...ck.org,
linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
Arnd Bergmann <arnd@...db.de>,
Andy Lutomirski <luto@...capital.net>,
Balbir Singh <bsingharora@...il.com>,
Cyrill Gorcunov <gorcunov@...il.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Eugene Syromiatnikov <esyr@...hat.com>,
Florian Weimer <fweimer@...hat.com>,
"H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>,
Jonathan Corbet <corbet@....net>,
Kees Cook <keescook@...omium.org>,
Mike Kravetz <mike.kravetz@...cle.com>,
Nadav Amit <nadav.amit@...il.com>,
Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>,
Peter Zijlstra <peterz@...radead.org>,
Randy Dunlap <rdunlap@...radead.org>,
"Ravi V. Shankar" <ravi.v.shankar@...el.com>,
Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>
Cc: Yu-cheng Yu <yu-cheng.yu@...el.com>
Subject: [PATCH v5 00/27] Control Flow Enforcement: Shadow Stack
The previous version of CET Shadow Stack patches is at the following
link:
https://lkml.org/lkml/2018/9/21/776
Summary of changes from v4:
Clean up XSAVES system states patches.
Update control protection fault handler to provide error code to user.
Add CONFIG_VM_AREA_GUARD.
Clean up arch_prctl.
Fix some typos and macros.
Yu-cheng Yu (27):
x86/cpufeatures: Add CPUIDs for Control Flow Enforcement Technology
(CET)
x86/fpu/xstate: Change names to separate XSAVES system and user states
x86/fpu/xstate: Introduce XSAVES system states
x86/fpu/xstate: Add XSAVES system states for shadow stack
Documentation/x86: Add CET description
x86/cet: Control protection exception handler
mm/mmap: Create a guard area between VMAs
x86/cet/shstk: Add Kconfig option for user-mode shadow stack
mm: Introduce VM_SHSTK for shadow stack memory
mm/mmap: Prevent Shadow Stack VMA merges
x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW
x86/mm: Introduce _PAGE_DIRTY_SW
drm/i915/gvt: Update _PAGE_DIRTY to _PAGE_DIRTY_BITS
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: Update can_follow_write_pte/pmd for shadow stack
mm: Introduce do_mmap_locked()
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 Shadow Stack
x86/cet/shstk: Handle thread shadow stack
mm/mmap: Add Shadow stack pages to memory accounting
x86/cet/shstk: Add arch_prctl functions for Shadow Stack
x86/cet/shstk: Add Shadow Stack instructions to opcode map
.../admin-guide/kernel-parameters.txt | 6 +
Documentation/index.rst | 1 +
Documentation/x86/index.rst | 11 +
Documentation/x86/intel_cet.rst | 266 ++++++++++++++
arch/x86/Kconfig | 30 ++
arch/x86/Makefile | 7 +
arch/x86/entry/entry_64.S | 2 +-
arch/x86/ia32/ia32_signal.c | 13 +
arch/x86/include/asm/cet.h | 46 +++
arch/x86/include/asm/cpufeatures.h | 2 +
arch/x86/include/asm/disabled-features.h | 8 +-
arch/x86/include/asm/elf.h | 5 +
arch/x86/include/asm/fpu/internal.h | 5 +-
arch/x86/include/asm/fpu/types.h | 22 ++
arch/x86/include/asm/fpu/xstate.h | 26 +-
arch/x86/include/asm/mmu_context.h | 3 +
arch/x86/include/asm/msr-index.h | 14 +
arch/x86/include/asm/pgtable.h | 191 ++++++++--
arch/x86/include/asm/pgtable_types.h | 38 +-
arch/x86/include/asm/processor.h | 5 +
arch/x86/include/asm/sighandling.h | 5 +
arch/x86/include/asm/special_insns.h | 32 ++
arch/x86/include/asm/traps.h | 5 +
arch/x86/include/uapi/asm/elf_property.h | 15 +
arch/x86/include/uapi/asm/prctl.h | 5 +
arch/x86/include/uapi/asm/processor-flags.h | 2 +
arch/x86/include/uapi/asm/sigcontext.h | 15 +
arch/x86/kernel/Makefile | 4 +
arch/x86/kernel/cet.c | 298 +++++++++++++++
arch/x86/kernel/cet_prctl.c | 86 +++++
arch/x86/kernel/cpu/common.c | 25 ++
arch/x86/kernel/elf.c | 341 ++++++++++++++++++
arch/x86/kernel/fpu/core.c | 10 +-
arch/x86/kernel/fpu/init.c | 10 -
arch/x86/kernel/fpu/signal.c | 6 +-
arch/x86/kernel/fpu/xstate.c | 146 +++++---
arch/x86/kernel/idt.c | 4 +
arch/x86/kernel/process.c | 7 +-
arch/x86/kernel/process_64.c | 7 +
arch/x86/kernel/relocate_kernel_64.S | 2 +-
arch/x86/kernel/signal.c | 97 +++++
arch/x86/kernel/signal_compat.c | 2 +-
arch/x86/kernel/traps.c | 64 ++++
arch/x86/kvm/vmx.c | 2 +-
arch/x86/lib/x86-opcode-map.txt | 26 +-
arch/x86/mm/fault.c | 27 ++
arch/x86/mm/pgtable.c | 41 +++
drivers/gpu/drm/i915/gvt/gtt.c | 2 +-
fs/binfmt_elf.c | 15 +
fs/proc/task_mmu.c | 3 +
include/asm-generic/pgtable.h | 14 +
include/linux/mm.h | 56 ++-
include/uapi/asm-generic/siginfo.h | 3 +-
include/uapi/linux/elf.h | 1 +
mm/Kconfig | 7 +
mm/gup.c | 8 +-
mm/huge_memory.c | 12 +-
mm/memory.c | 7 +-
mm/mmap.c | 11 +
tools/objtool/arch/x86/lib/x86-opcode-map.txt | 26 +-
60 files changed, 1986 insertions(+), 164 deletions(-)
create mode 100644 Documentation/x86/index.rst
create mode 100644 Documentation/x86/intel_cet.rst
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
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