x86/kernel/kvm.c

509 	__uint128_t ipi_bitmap = 0;
511 	u64 ipi_bitmap = 0;
532 		if (!ipi_bitmap) {
535 			ipi_bitmap <<= min - apic_id;
540 			ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap,
541 				(unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr);
545 			ipi_bitmap = 0;
547 		__set_bit(apic_id - min, (unsigned long *)&ipi_bitmap);
550 	if (ipi_bitmap) {
551 		ret = kvm_hypercall4(KVM_HC_SEND_IPI, (unsigned long)ipi_bitmap,
552 			(unsigned long)(ipi_bitmap >> BITS_PER_LONG), min, icr);