linux-kernel - RE: [PATCH v1 01/18] KVM: selftests/kvm_util: use array of pointers to maintain vcpus in kvm

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Date:   Fri, 28 Oct 2022 02:13:47 +0000
From:   "Wang, Wei W" <wei.w.wang@...el.com>
To:     "Christopherson,, Sean" <seanjc@...gle.com>
CC:     "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "dmatlack@...gle.com" <dmatlack@...gle.com>,
        "vipinsh@...gle.com" <vipinsh@...gle.com>,
        "ajones@...tanamicro.com" <ajones@...tanamicro.com>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v1 01/18] KVM: selftests/kvm_util: use array of pointers
 to maintain vcpus in kvm_vm

On Thursday, October 27, 2022 11:27 PM, Sean Christopherson wrote:
> Yeah, just allocate the max for now, though the array still needs to be
> dynamically allocated based on the actual maximum number of vCPUs.  Oh, duh,
> we can do the easy thing and just bump KVM_MAX_VCPUS to 1024 to match
> KVM.  And then assert that
> kvm_check_cap(KVM_CAP_MAX_VCPUS) == KVM_CAP_MAX_VCPUS in
> kvm_create_max_vcpus.c.

Right. I thought about the same thing, we should update KVM_MAX_VCPUS anyway.