On Thu, Nov 04, 2021, Durrant, Paul wrote: > > -----Original Message----- > > From: Sean Christopherson <seanjc@xxxxxxxxxx> > > Sent: 04 November 2021 19:23 > > To: Paul Durrant <paul@xxxxxxx> > > Cc: kvm@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Durrant, Paul <pdurrant@xxxxxxxxxxxx>; Paolo > > Bonzini <pbonzini@xxxxxxxxxx>; Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>; Wanpeng Li > > <wanpengli@xxxxxxxxxxx>; Jim Mattson <jmattson@xxxxxxxxxx>; Joerg Roedel <joro@xxxxxxxxxx> > > Subject: RE: [EXTERNAL] [PATCH] KVM: x86: Make sure KVM_CPUID_FEATURES really are KVM_CPUID_FEATURES > > > > On Thu, Nov 04, 2021, Paul Durrant wrote: > > > From: Paul Durrant <pdurrant@xxxxxxxxxx> > > > > > > Currently when kvm_update_cpuid_runtime() runs, it assumes that the > > > KVM_CPUID_FEATURES leaf is located at 0x40000001. This is not true, > > > however, if Hyper-V support is enabled. In this case the KVM leaves will > > > be offset. > > > > > > This patch introdues as new 'kvm_cpuid_base' field into struct > > > kvm_vcpu_arch to track the location of the KVM leaves and function > > > kvm_update_cpuid_base() (called from kvm_update_cpuid_runtime()) to locate > > > the leaves using the 'KVMKVMKVM\0\0\0' signature. Adjustment of > > > KVM_CPUID_FEATURES will hence now target the correct leaf. > > > > > > Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx> > > > --- > > > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> > > > Cc: Sean Christopherson <seanjc@xxxxxxxxxx> > > > Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > > > Cc: Wanpeng Li <wanpengli@xxxxxxxxxxx> > > > Cc: Jim Mattson <jmattson@xxxxxxxxxx> > > > Cc: Joerg Roedel <joro@xxxxxxxxxx> > > > > scripts/get_maintainer.pl is your friend :-) > > That's what I used, but thought it prudent to trim the list to just KVM reviewers. Ah, yeah, I run get_maintainer.pl with "--pattern-depth=1" when I'm sending KVM patches/series. That tells the script to stop recursing once its found a match.
