From: Marc Zyngier Date: Tue, 16 Nov 2021 16:04:03 +0000 (+0000) Subject: KVM: Convert kvm_for_each_vcpu() to using xa_for_each_range() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=214bd3a6f46981b7867946e1b4f628a06bcf2091;p=linux.git 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 Signed-off-by: Marc Zyngier Message-Id: <20211116160403.4074052-8-maz@kernel.org> Signed-off-by: Paolo Bonzini --- diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 7da6086262c67..66548287ed424 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) {