Re: [PATCH 5/5] KVM: x86: Set kvm_x86_ops only after ->hardware_setup() completes
From: Paolo Bonzini <pbonzini@redhat.com>
Date: 2020-01-30 05:44:16
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kvm, kvmarm, linux-mips, lkml
On 30/01/20 01:10, Sean Christopherson wrote:
Set kvm_x86_ops with the vendor's ops only after ->hardware_setup() completes to "prevent" using kvm_x86_ops before they are ready, i.e. to generate a null pointer fault instead of silently consuming unconfigured state.
What about even copying kvm_x86_ops by value, so that they can be accessed with "kvm_x86_ops.callback()" and save one memory access? Paolo _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel