Re: [PATCH v2 2/6] x86/kvm: add boot parameter for adding vcpu-id bits
From: Paolo Bonzini <pbonzini@redhat.com>
Date: 2021-09-28 16:41:42
Also in:
kvm, lkml
On 03/09/21 15:08, Juergen Gross wrote:
+ if (vcpu_id_add_bits >= 0) {
+ n_bits += vcpu_id_add_bits;
+ } else {
+ n_bits++; /* One additional bit for core level. */
+ if (topology_max_die_per_package() > 1)
+ n_bits++; /* One additional bit for die level. */This needs to be unconditional since it is always possible to emulate a multiple-die-per-package topology for a guest, even if the host has just one. Paolo
+ } + + if (!n_bits)