KVM: remember position in kvm->vcpus array
authorRadim Krčmář <rkrcmar@redhat.com>
Thu, 7 Nov 2019 12:53:42 +0000 (07:53 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 15 Nov 2019 10:44:21 +0000 (11:44 +0100)
commit8750e72a79dda2f665ce17b62049f4d62130d991
tree26c55833adf466e5eab151874c8d2e6c2eb25886
parent662f1d1d19317e792ccfc53dee625c02dcefac58
KVM: remember position in kvm->vcpus array

Fetching an index for any vcpu in kvm->vcpus array by traversing
the entire array everytime is costly.
This patch remembers the position of each vcpu in kvm->vcpus array
by storing it in vcpus_idx under kvm_vcpu structure.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Nitesh Narayan Lal <nitesh@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
include/linux/kvm_host.h
virt/kvm/kvm_main.c