From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"Wei Liu" <wl@xen.org>, "Jan Beulich" <JBeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [PATCH 00/16] x86: Support for CET Supervisor Shadow Stacks
Date: Fri, 1 May 2020 23:58:22 +0100 [thread overview]
Message-ID: <20200501225838.9866-1-andrew.cooper3@citrix.com> (raw)
This series implements Shadow Stack support for Xen to use.
You'll need a CET-capable toolchain (Binutils 2.32 and later), but no specific
compiler support required.
CET-SS makes PV32 unusable, so using shadow stacks prevents the use of 32bit
PV guests. Compatibilty can be obtained using PV Shim
Andrew Cooper (16):
x86/traps: Drop last_extable_addr
x86/traps: Clean up printing in do_reserved_trap()/fatal_trap()
x86/traps: Factor out exception_fixup() and make printing consistent
x86/smpboot: Write the top-of-stack block in cpu_smpboot_alloc()
x86/shstk: Introduce Supervisor Shadow Stack support
x86/traps: Implement #CP handler and extend #PF for shadow stacks
x86/shstk: Re-layout the stack block for shadow stacks
x86/shstk: Create shadow stacks
x86/cpu: Adjust enable_nmis() to be shadow stack compatible
x86/cpu: Adjust reset_stack_and_jump() to be shadow stack compatible
x86/spec-ctrl: Adjust DO_OVERWRITE_RSB to be shadow stack compatible
x86/extable: Adjust extable handling to be shadow stack compatible
x86/ioemul: Rewrite stub generation to be shadow stack compatible
x86/alt: Adjust _alternative_instructions() to not create shadow stacks
x86/entry: Adjust guest paths to be shadow stack compatible
x86/shstk: Activate Supervisor Shadow Stacks
xen/arch/x86/Kconfig | 17 +++
xen/arch/x86/acpi/wakeup_prot.S | 56 ++++++++++
xen/arch/x86/alternative.c | 14 +++
xen/arch/x86/boot/x86_64.S | 30 +++++-
xen/arch/x86/cpu/common.c | 34 +++++-
xen/arch/x86/crash.c | 7 ++
xen/arch/x86/ioport_emulate.c | 11 +-
xen/arch/x86/mm.c | 41 ++++---
xen/arch/x86/pv/emul-priv-op.c | 91 ++++++++++++----
xen/arch/x86/pv/gpr_switch.S | 37 ++-----
xen/arch/x86/setup.c | 56 ++++++++++
xen/arch/x86/smpboot.c | 10 +-
xen/arch/x86/spec_ctrl.c | 8 ++
xen/arch/x86/traps.c | 206 ++++++++++++++++++++++--------------
xen/arch/x86/x86_64/compat/entry.S | 2 +-
xen/arch/x86/x86_64/entry.S | 39 ++++++-
xen/include/asm-x86/cpufeature.h | 1 +
xen/include/asm-x86/cpufeatures.h | 1 +
xen/include/asm-x86/current.h | 59 ++++++++---
xen/include/asm-x86/io.h | 3 +-
xen/include/asm-x86/mm.h | 1 -
xen/include/asm-x86/msr-index.h | 3 +
xen/include/asm-x86/page.h | 1 +
xen/include/asm-x86/processor.h | 60 +++++++----
xen/include/asm-x86/spec_ctrl_asm.h | 16 ++-
xen/include/asm-x86/x86-defns.h | 36 +++++++
xen/include/asm-x86/x86_64/page.h | 1 +
xen/scripts/Kconfig.include | 4 +
28 files changed, 640 insertions(+), 205 deletions(-)
--
2.11.0
next reply other threads:[~2020-05-01 22:59 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 22:58 Andrew Cooper [this message]
2020-05-01 22:58 ` [PATCH 01/16] x86/traps: Drop last_extable_addr Andrew Cooper
2020-05-04 12:44 ` Jan Beulich
2020-05-11 14:53 ` Andrew Cooper
2020-05-11 15:00 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 02/16] x86/traps: Clean up printing in do_reserved_trap()/fatal_trap() Andrew Cooper
2020-05-04 13:08 ` Jan Beulich
2020-05-11 15:01 ` Andrew Cooper
2020-05-11 15:09 ` Jan Beulich
2020-05-18 16:54 ` Andrew Cooper
2020-05-19 8:50 ` Jan Beulich
2020-05-26 15:38 ` Andrew Cooper
2020-05-27 6:54 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 03/16] x86/traps: Factor out exception_fixup() and make printing consistent Andrew Cooper
2020-05-04 13:20 ` Jan Beulich
2020-05-11 15:14 ` Andrew Cooper
2020-05-12 13:05 ` Jan Beulich
2020-05-26 18:06 ` Andrew Cooper
2020-05-27 7:01 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 04/16] x86/smpboot: Write the top-of-stack block in cpu_smpboot_alloc() Andrew Cooper
2020-05-04 13:22 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 05/16] x86/shstk: Introduce Supervisor Shadow Stack support Andrew Cooper
2020-05-04 13:52 ` Jan Beulich
2020-05-11 15:46 ` Andrew Cooper
2020-05-12 13:54 ` Jan Beulich
2020-05-15 16:21 ` Anthony PERARD
2020-05-01 22:58 ` [PATCH 06/16] x86/traps: Implement #CP handler and extend #PF for shadow stacks Andrew Cooper
2020-05-04 14:10 ` Jan Beulich
2020-05-11 17:20 ` Andrew Cooper
2020-05-12 13:58 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 07/16] x86/shstk: Re-layout the stack block " Andrew Cooper
2020-05-04 14:24 ` Jan Beulich
2020-05-11 17:48 ` Andrew Cooper
2020-05-12 14:07 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 08/16] x86/shstk: Create " Andrew Cooper
2020-05-04 14:55 ` Jan Beulich
2020-05-04 15:08 ` Andrew Cooper
2020-05-01 22:58 ` [PATCH 09/16] x86/cpu: Adjust enable_nmis() to be shadow stack compatible Andrew Cooper
2020-05-05 14:48 ` Jan Beulich
2020-05-11 18:48 ` Andrew Cooper
2020-05-01 22:58 ` [PATCH 10/16] x86/cpu: Adjust reset_stack_and_jump() " Andrew Cooper
2020-05-07 13:17 ` Jan Beulich
2020-05-11 20:07 ` Andrew Cooper
2020-05-01 22:58 ` [PATCH 11/16] x86/spec-ctrl: Adjust DO_OVERWRITE_RSB " Andrew Cooper
2020-05-07 13:22 ` Jan Beulich
2020-05-07 13:25 ` Andrew Cooper
2020-05-07 13:38 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 12/16] x86/extable: Adjust extable handling " Andrew Cooper
2020-05-07 13:35 ` Jan Beulich
2020-05-11 21:09 ` Andrew Cooper
2020-05-12 14:31 ` Jan Beulich
2020-05-12 16:14 ` Andrew Cooper
2020-05-13 9:22 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 13/16] x86/ioemul: Rewrite stub generation " Andrew Cooper
2020-05-07 13:46 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 14/16] x86/alt: Adjust _alternative_instructions() to not create shadow stacks Andrew Cooper
2020-05-07 13:49 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 15/16] x86/entry: Adjust guest paths to be shadow stack compatible Andrew Cooper
2020-05-07 14:12 ` Jan Beulich
2020-05-07 15:50 ` Andrew Cooper
2020-05-07 16:15 ` Jan Beulich
2020-05-11 21:45 ` Andrew Cooper
2020-05-12 14:56 ` Jan Beulich
2020-05-01 22:58 ` [PATCH 16/16] x86/shstk: Activate Supervisor Shadow Stacks Andrew Cooper
2020-05-07 14:54 ` Jan Beulich
2020-05-11 23:46 ` Andrew Cooper
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