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| author | Marc Zyngier <maz@kernel.org> | 2021-11-16 19:04:03 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-12-08 12:24:16 +0300 |
| commit | 214bd3a6f46981b7867946e1b4f628a06bcf2091 (patch) | |
| tree | 7969bdd020f97ddb92139b28afa83f4e2f59ab4d /include/linux/kvm_host.h | |
| parent | 46808a4cb89708c2e5b264eb9d1035762581921b (diff) | |
| download | linux-214bd3a6f46981b7867946e1b4f628a06bcf2091.tar.xz | |
KVM: Convert kvm_for_each_vcpu() to using xa_for_each_range()
Now that the vcpu array is backed by an xarray, use the optimised
iterator that matches the underlying data structure.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Message-Id: <20211116160403.4074052-8-maz@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 7da6086262c6..66548287ed42 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -705,11 +705,9 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) return xa_load(&kvm->vcpu_array, i); } -#define kvm_for_each_vcpu(idx, vcpup, kvm) \ - for (idx = 0; \ - idx < atomic_read(&kvm->online_vcpus) && \ - (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \ - idx++) +#define kvm_for_each_vcpu(idx, vcpup, kvm) \ + xa_for_each_range(&kvm->vcpu_array, idx, vcpup, 0, \ + (atomic_read(&kvm->online_vcpus) - 1)) static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) { |