Re: [PATCH v5 05/17] KVM: Annotate -EFAULTs from kvm_vcpu_read/write_guest_page()

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Subject: Re: [PATCH v5 05/17] KVM: Annotate -EFAULTs from kvm_vcpu_read/write_guest_page()
From: Sean Christopherson <seanjc@xxxxxxxxxx>
Date: Wed, 4 Oct 2023 18:53:01 -0700
Cc: oliver.upton@xxxxxxxxx, kvm@xxxxxxxxxxxxxxx, kvmarm@xxxxxxxxxxxxxxx, pbonzini@xxxxxxxxxx, maz@xxxxxxxxxx, robert.hoo.linux@xxxxxxxxx, jthoughton@xxxxxxxxxx, ricarkol@xxxxxxxxxx, axelrasmussen@xxxxxxxxxx, peterx@xxxxxxxxxx, nadav.amit@xxxxxxxxx, isaku.yamahata@xxxxxxxxx, kconsul@xxxxxxxxxxxxxxxxxx
In-reply-to: <20230908222905.1321305-6-amoorthy@google.com>
References: <20230908222905.1321305-1-amoorthy@google.com> <20230908222905.1321305-6-amoorthy@google.com>

On Fri, Sep 08, 2023, Anish Moorthy wrote:
> Implement KVM_CAP_MEMORY_FAULT_INFO for uaccess failures in
> kvm_vcpu_read/write_guest_page()

Why?  (rhetorical question)

References:
- [PATCH v5 00/17] Improve KVM + userfaultfd live migration via annotated memory faults.
  - From: Anish Moorthy
- [PATCH v5 05/17] KVM: Annotate -EFAULTs from kvm_vcpu_read/write_guest_page()
  - From: Anish Moorthy

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