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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)
commit3bce264c3fa434a0fd87f23e1906befc53703704
tree26c55833adf466e5eab151874c8d2e6c2eb25886tree | snapshot
parente42a5caacb84327813fb0790bdb09fd1a7cc17b6commit | diff
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 diff | blob | history
virt/kvm/kvm_main.c diff | blob | history
Linux Kernel Source Tree.