linux-kernel - [PATCH 0/3] x86: KVM: VMX: Add basic split-lock #AC handling

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Message-Id: <20200402155554.27705-1-sean.j.christopherson@intel.com>
Date:   Thu,  2 Apr 2020 08:55:51 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     x86@...nel.org, "Kenneth R . Crudup" <kenny@...ix.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Xiaoyao Li <xiaoyao.li@...el.com>,
        Nadav Amit <namit@...are.com>,
        Thomas Hellstrom <thellstrom@...are.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jessica Yu <jeyu@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] x86: KVM: VMX: Add basic split-lock #AC handling

First three patches from Xiaoyao's series to add split-lock #AC support
in KVM.

Xiaoyao Li (3):
  KVM: x86: Emulate split-lock access as a write in emulator
  x86/split_lock: Refactor and export handle_user_split_lock() for KVM
  KVM: VMX: Extend VMX's #AC interceptor to handle split lock #AC in
    guest

 arch/x86/include/asm/cpu.h  |  4 ++--
 arch/x86/kernel/cpu/intel.c |  7 ++++---
 arch/x86/kernel/traps.c     |  2 +-
 arch/x86/kvm/vmx/vmx.c      | 30 +++++++++++++++++++++++++++---
 arch/x86/kvm/x86.c          | 12 +++++++++++-
 5 files changed, 45 insertions(+), 10 deletions(-)

-- 
2.24.1