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[Qemu-devel] (no subject)
From: |
Yang Weijiang |
Subject: |
[Qemu-devel] (no subject) |
Date: |
Mon, 25 Feb 2019 21:18:17 +0800 |
Subject: [Qemu-devel][PATCH v3 0/5] This patch-set is to enable Guest
CET support.
Control-flow Enforcement Technology (CET) provides protection against
return/jump-oriented programming (ROP) attacks. To make kvm Guest OS own
the capability, this patch-set is required. It enables CET related CPUID
report, xsaves/xrstors and live-migration etc. in Qemu.
Changelog:
v3:
- Add CET MSR save/restore support for live-migration.
v2:
- In CPUID.(EAX=d, ECX=1), set return ECX[n] = 0 if bit n corresponds
to a bit in MSR_IA32_XSS.
- In CPUID.(EAX=d, ECX=n), set return ECX = 1 if bit n corresponds
to a bit in MSR_IA32_XSS.
- Skip Supervisor mode xsave component when calculate User mode
xave component size in xsave_area_size() and x86_cpu_reset().
Yang Weijiang (5):
Add CET xsaves/xrstors related macros and structures.
Add CET SHSTK and IBT CPUID feature-word definitions.
Add hepler functions for CPUID xsave area size calculation.
Report CPUID xsave area support for CET.
Add CET MSR save/restore support for migration
target/i386/cpu.c | 73 ++++++++++++++++++++++++++++--
target/i386/cpu.h | 48 +++++++++++++++++++-
target/i386/kvm.c | 27 ++++++++++++
target/i386/machine.c | 100 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 244 insertions(+), 4 deletions(-)
--
2.17.1
- [Qemu-devel] (no subject),
Yang Weijiang <=
- [Qemu-devel] [PATCH v3 1/5] Add CET xsaves/xrstors related macros and structures., Yang Weijiang, 2019/02/26
- [Qemu-devel] [PATCH v3 2/5] Add CET SHSTK and IBT CPUID feature-word definitions., Yang Weijiang, 2019/02/26
- [Qemu-devel] [PATCH v3 4/5] Report CPUID xsave area support for CET., Yang Weijiang, 2019/02/26
- [Qemu-devel] [PATCH v3 3/5] Add hepler functions for CPUID xsave area size calculation., Yang Weijiang, 2019/02/26
- [Qemu-devel] [PATCH v3 5/5] Add CET MSR save/restore support for migration, Yang Weijiang, 2019/02/26