Re: [STABLE 4.9.y PATCH 0/9] Backport of KVM Speculation Control support

From: Paolo Bonzini
Date: Tue Feb 06 2018 - 13:01:41 EST


On 06/02/2018 18:29, David Woodhouse wrote:
> I've put together a linux-4.9.y branch at
> http://git.infradead.org/retpoline-stable.git/shortlog/refs/heads/linux-4.9.y
>
> Most of it is fairly straightforward, apart from the IBPB on context
> switch for which Tim has already posted a candidate. I wanted some more
> review on my backports of the KVM bits though, including some extra
> historical patches I pulled in.

Looks good! Thanks for the work,

Paolo

> Ashok Raj (1):
> KVM/x86: Add IBPB support
>
> David Hildenbrand (1):
> KVM: nVMX: vmx_complete_nested_posted_interrupt() can't fail
>
> David Matlack (1):
> KVM: nVMX: mark vmcs12 pages dirty on L2 exit
>
> Jim Mattson (1):
> KVM: nVMX: Eliminate vmcs02 pool
>
> KarimAllah Ahmed (3):
> KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
> KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
> KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
>
> Paolo Bonzini (2):
> KVM: VMX: introduce alloc_loaded_vmcs
> KVM: VMX: make MSR bitmaps per-VCPU
>
> arch/x86/kvm/cpuid.c | 21 +-
> arch/x86/kvm/cpuid.h | 31 +++
> arch/x86/kvm/svm.c | 116 ++++++++
> arch/x86/kvm/vmx.c | 730 +++++++++++++++++++++++++++------------------------
> arch/x86/kvm/x86.c | 1 +
> 5 files changed, 554 insertions(+), 345 deletions(-)
>