linux-kernel - [PATCH 0/5] KVM: VMX: PT (processor trace) optimizations and fixes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 24 Aug 2021 19:07:38 +0800
From:   Xiaoyao Li <xiaoyao.li@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Xiaoyao Li <xiaoyao.li@...el.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/5] KVM: VMX: PT (processor trace) optimizations and fixes

Patch 1 and 2 are optimizations and cleanup.

Patch 3 - 5 are fixes for PT handling.

Xiaoyao Li (5):
  KVM: VMX: Restore host's MSR_IA32_RTIT_CTL when it's not zero
  KVM: VMX: Use cached vmx->pt_desc.addr_range
  KVM: VMX: RTIT_CTL_BRANCH_EN has no dependency on other CPUID bit
  KVM: VMX: Disallow PT MSRs accessing if PT is not exposed to guest
  KVM: VMX: Check Intel PT related CPUID leaves

 arch/x86/kvm/cpuid.c   | 25 +++++++++++++++++++++++++
 arch/x86/kvm/vmx/vmx.c | 34 +++++++++++++++++++++-------------
 2 files changed, 46 insertions(+), 13 deletions(-)

-- 
2.27.0