kvm_global_user_count 2001 arch/powerpc/kvm/book3s_pr.c static unsigned int kvm_global_user_count = 0; kvm_global_user_count 2015 arch/powerpc/kvm/book3s_pr.c if (++kvm_global_user_count == 1) kvm_global_user_count 2030 arch/powerpc/kvm/book3s_pr.c BUG_ON(kvm_global_user_count == 0); kvm_global_user_count 2031 arch/powerpc/kvm/book3s_pr.c if (--kvm_global_user_count == 0)