KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index

Everywhere we use kvm_for_each_vpcu(), we use an int as the vcpu
index. Unfortunately, we're about to move rework the iterator,
which requires this to be upgrade to an unsigned long.

Let's bite the bullet and repaint all of it in one go.

Signed-off-by: Marc Zyngier <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Paolo Bonzini <[e-mail]>

arch/arm64/kvm/arch_timer.c

···
 /* Make the updates of cntvoff for all vtimer contexts atomic */
 static void update_vtimer_cntvoff(struct kvm_vcpu *vcpu, u64 cntvoff)
 {
-	int i;
+	unsigned long i;
 	struct kvm *kvm = vcpu->kvm;
 	struct kvm_vcpu *tmp;
 
···
 
 static bool timer_irqs_are_valid(struct kvm_vcpu *vcpu)
 {
-	int vtimer_irq, ptimer_irq;
-	int i, ret;
+	int vtimer_irq, ptimer_irq, ret;
+	unsigned long i;
 
 	vtimer_irq = vcpu_vtimer(vcpu)->irq.irq;
 	ret = kvm_vgic_set_owner(vcpu, vtimer_irq, vcpu_vtimer(vcpu));
···
 static void set_timer_irqs(struct kvm *kvm, int vtimer_irq, int ptimer_irq)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		vcpu_vtimer(vcpu)->irq.irq = vtimer_irq;

arch/arm64/kvm/arm.c

···
 
 void kvm_arm_halt_guest(struct kvm *kvm)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm)
···
 
 void kvm_arm_resume_guest(struct kvm *kvm)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
···
 struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	mpidr &= MPIDR_HWID_BITMASK;
 	kvm_for_each_vcpu(i, vcpu, kvm) {

arch/arm64/kvm/pmu-emul.c

···
  */
 static bool pmu_irq_is_valid(struct kvm *kvm, int irq)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {

arch/arm64/kvm/psci.c

···
 
 static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
 {
-	int i, matching_cpus = 0;
-	unsigned long mpidr;
+	int matching_cpus = 0;
+	unsigned long i, mpidr;
 	unsigned long target_affinity;
 	unsigned long target_affinity_mask;
 	unsigned long lowest_affinity_level;
···
 
 static void kvm_prepare_system_event(struct kvm_vcpu *vcpu, u32 type)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *tmp;
 
 	/*

arch/arm64/kvm/reset.c

···
 {
 	struct kvm_vcpu *tmp;
 	bool is32bit;
-	int i;
+	unsigned long i;
 
 	is32bit = vcpu_has_feature(vcpu, KVM_ARM_VCPU_EL1_32BIT);
 	if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1) && is32bit)

arch/arm64/kvm/vgic/vgic-init.c

···
  */
 int kvm_vgic_create(struct kvm *kvm, u32 type)
 {
-	int i, ret;
 	struct kvm_vcpu *vcpu;
+	unsigned long i;
+	int ret;
 
 	if (irqchip_in_kernel(kvm))
 		return -EEXIST;
···
 {
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	struct kvm_vcpu *vcpu;
-	int ret = 0, i, idx;
+	int ret = 0, i;
+	unsigned long idx;
 
 	if (vgic_initialized(kvm))
 		return 0;
···
 			goto out;
 	}
 
-	kvm_for_each_vcpu(i, vcpu, kvm)
+	kvm_for_each_vcpu(idx, vcpu, kvm)
 		kvm_vgic_vcpu_enable(vcpu);
 
 	ret = kvm_vgic_setup_default_irq_routing(kvm);
···
 static void __kvm_vgic_destroy(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	vgic_debug_destroy(kvm);
 

arch/arm64/kvm/vgic/vgic-kvm-device.c

···
 bool lock_all_vcpus(struct kvm *kvm)
 {
 	struct kvm_vcpu *tmp_vcpu;
-	int c;
+	unsigned long c;
 
 	/*
 	 * Any time a vcpu is run, vcpu_load is called which tries to grab the

arch/arm64/kvm/vgic/vgic-mmio-v2.c

···
 	int intid = val & 0xf;
 	int targets = (val >> 16) & 0xff;
 	int mode = (val >> 24) & 0x03;
-	int c;
 	struct kvm_vcpu *vcpu;
-	unsigned long flags;
+	unsigned long flags, c;
 
 	switch (mode) {
 	case 0x0:		/* as specified by targets */

arch/arm64/kvm/vgic/vgic-mmio-v3.c

···
 static int vgic_register_all_redist_iodevs(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int c, ret = 0;
+	unsigned long c;
+	int ret = 0;
 
 	kvm_for_each_vcpu(c, vcpu, kvm) {
 		ret = vgic_register_redist_iodev(vcpu);
···
 	struct kvm_vcpu *c_vcpu;
 	u16 target_cpus;
 	u64 mpidr;
-	int sgi, c;
+	int sgi;
 	int vcpu_id = vcpu->vcpu_id;
 	bool broadcast;
-	unsigned long flags;
+	unsigned long c, flags;
 
 	sgi = (reg & ICC_SGI1R_SGI_ID_MASK) >> ICC_SGI1R_SGI_ID_SHIFT;
 	broadcast = reg & BIT_ULL(ICC_SGI1R_IRQ_ROUTING_MODE_BIT);

arch/arm64/kvm/vgic/vgic-v3.c

···
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	struct kvm_vcpu *vcpu;
 	int ret = 0;
-	int c;
+	unsigned long c;
 
 	kvm_for_each_vcpu(c, vcpu, kvm) {
 		struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
 
 		if (IS_VGIC_ADDR_UNDEF(vgic_cpu->rd_iodev.base_addr)) {
-			kvm_debug("vcpu %d redistributor base not set\n", c);
+			kvm_debug("vcpu %ld redistributor base not set\n", c);
 			return -ENXIO;
 		}
 	}

arch/arm64/kvm/vgic/vgic-v4.c

···
 {
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_arm_halt_guest(kvm);
 
···
 {
 	struct vgic_dist *dist = &kvm->arch.vgic;
 	struct kvm_vcpu *vcpu;
-	int i, nr_vcpus, ret;
+	int nr_vcpus, ret;
+	unsigned long i;
 
 	if (!kvm_vgic_global_state.has_gicv4)
 		return 0; /* Nothing to see here... move along. */

arch/arm64/kvm/vgic/vgic.c

···
 void vgic_kick_vcpus(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int c;
+	unsigned long c;
 
 	/*
 	 * We've injected an interrupt, time to find out who deserves

arch/powerpc/kvm/book3s_32_mmu.c

···
 
 static void kvmppc_mmu_book3s_32_tlbie(struct kvm_vcpu *vcpu, ulong ea, bool large)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *v;
 
 	/* flush this VA on all cpus */

arch/powerpc/kvm/book3s_64_mmu.c

···
 				       bool large)
 {
 	u64 mask = 0xFFFFFFFFFULL;
-	long i;
+	unsigned long i;
 	struct kvm_vcpu *v;
 
 	dprintk("KVM MMU: tlbie(0x%lx)\n", va);

arch/powerpc/kvm/book3s_hv.c

···
 	 */
 	if ((new_lpcr & LPCR_ILE) != (vc->lpcr & LPCR_ILE)) {
 		struct kvm_vcpu *vcpu;
-		int i;
+		unsigned long i;
 
 		kvm_for_each_vcpu(i, vcpu, kvm) {
 			if (vcpu->arch.vcore != vc)
···
 {
 	struct kvm_memslots *slots;
 	struct kvm_memory_slot *memslot;
-	int i, r;
-	unsigned long n;
+	int r;
+	unsigned long n, i;
 	unsigned long *buf, *p;
 	struct kvm_vcpu *vcpu;
 
···
 	int mmu_was_ready;
 	int srcu_idx;
 	int ret = 0;
-	int i;
+	unsigned long i;
 
 	if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
 		return ret;

arch/powerpc/kvm/book3s_pr.c

···
 /************* MMU Notifiers *************/
 static bool do_kvm_unmap_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
 {
-	long i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm)

arch/powerpc/kvm/book3s_xics.c

···
 	struct kvmppc_xics *xics = m->private;
 	struct kvm *kvm = xics->kvm;
 	struct kvm_vcpu *vcpu;
-	int icsid, i;
-	unsigned long flags;
+	int icsid;
+	unsigned long flags, i;
 	unsigned long t_rm_kick_vcpu, t_rm_check_resend;
 	unsigned long t_rm_notify_eoi;
 	unsigned long t_reject, t_check_resend;
···
 static void kvmppc_xics_release(struct kvm_device *dev)
 {
 	struct kvmppc_xics *xics = dev->private;
-	int i;
+	unsigned long i;
 	struct kvm *kvm = xics->kvm;
 	struct kvm_vcpu *vcpu;
 

arch/powerpc/kvm/book3s_xics.h

···
 							 u32 nr)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (vcpu->arch.icp && nr == vcpu->arch.icp->server_num)

arch/powerpc/kvm/book3s_xive.c

···
 {
 	struct kvmppc_xive *xive = kvm->arch.xive;
 	struct kvm_vcpu *vcpu;
-	int i, rc;
+	unsigned long i;
+	int rc;
 
 	lockdep_assert_held(&xive->lock);
 
···
 int kvmppc_xive_select_target(struct kvm *kvm, u32 *server, u8 prio)
 {
 	struct kvm_vcpu *vcpu;
-	int i, rc;
+	unsigned long i;
+	int rc;
 
 	/* Locate target server */
 	vcpu = kvmppc_xive_find_server(kvm, *server);
···
 static void xive_pre_save_scan(struct kvmppc_xive *xive)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i, j;
+	unsigned long i;
+	int j;
 
 	/*
 	 * See comment in xive_get_source() about how this
···
 {
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
···
 	struct kvmppc_xive *xive = dev->private;
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	pr_devel("Releasing xive device\n");
 
···
 	u64 t_vm_h_cppr = 0;
 	u64 t_vm_h_eoi = 0;
 	u64 t_vm_h_ipi = 0;
-	unsigned int i;
+	unsigned long i;
 
 	if (!kvm)
 		return 0;

arch/powerpc/kvm/book3s_xive.h

···
 static inline struct kvm_vcpu *kvmppc_xive_find_server(struct kvm *kvm, u32 nr)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (vcpu->arch.xive_vcpu && nr == vcpu->arch.xive_vcpu->server_num)
···
 static inline bool kvmppc_xive_vp_in_use(struct kvm *kvm, u32 vp_id)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (vcpu->arch.xive_vcpu && vp_id == vcpu->arch.xive_vcpu->vp_id)

arch/powerpc/kvm/book3s_xive_native.c

···
 {
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu;
-	unsigned int i;
+	unsigned long i;
 
 	pr_devel("%s\n", __func__);
 
···
 {
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu;
-	unsigned int i;
+	unsigned long i;
 
 	pr_devel("%s\n", __func__);
 
···
 	struct kvmppc_xive *xive = dev->private;
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	pr_devel("Releasing xive native device\n");
 
···
 	struct kvmppc_xive *xive = m->private;
 	struct kvm *kvm = xive->kvm;
 	struct kvm_vcpu *vcpu;
-	unsigned int i;
+	unsigned long i;
 
 	if (!kvm)
 		return 0;

arch/powerpc/kvm/e500_emulate.c

···
 	ulong param = vcpu->arch.regs.gpr[rb];
 	int prio = dbell2prio(rb);
 	int pir = param & PPC_DBELL_PIR_MASK;
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *cvcpu;
 
 	if (prio < 0)

arch/riscv/kvm/vcpu_sbi.c

···
 static void kvm_sbi_system_shutdown(struct kvm_vcpu *vcpu,
 				    struct kvm_run *run, u32 type)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *tmp;
 
 	kvm_for_each_vcpu(i, tmp, vcpu->kvm)

arch/riscv/kvm/vmid.c

···
 
 void kvm_riscv_stage2_vmid_update(struct kvm_vcpu *vcpu)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *v;
 	struct cpumask hmask;
 	struct kvm_vmid *vmid = &vcpu->kvm->arch.vmid;

arch/s390/kvm/interrupt.c

···
 static int flic_set_attr(struct kvm_device *dev, struct kvm_device_attr *attr)
 {
 	int r = 0;
-	unsigned int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	switch (attr->group) {

arch/s390/kvm/kvm-s390.c

···
 {
 	struct kvm *kvm;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 	unsigned long long *delta = v;
 
 	list_for_each_entry(kvm, &vm_list, vm_list) {
···
 
 static void icpt_operexc_on_all_vcpus(struct kvm *kvm)
 {
-	unsigned int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
···
 void kvm_s390_vcpu_crypto_reset_all(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_s390_vcpu_block_all(kvm);
 
···
 
 static void kvm_s390_sync_request_broadcast(struct kvm *kvm, int req)
 {
-	int cx;
+	unsigned long cx;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(cx, vcpu, kvm)
···
 	struct kvm_vcpu *vcpu;
 	u16 rc, rrc;
 	int ret = 0;
-	int i;
+	unsigned long i;
 
 	/*
 	 * We ignore failures and try to destroy as many CPUs as possible.
···
 
 static int kvm_s390_cpus_to_pv(struct kvm *kvm, u16 *rc, u16 *rrc)
 {
-	int i, r = 0;
+	unsigned long i;
+	int r = 0;
 	u16 dummy;
 
 	struct kvm_vcpu *vcpu;
···
 	struct bsca_block *old_sca = kvm->arch.sca;
 	struct esca_block *new_sca;
 	struct kvm_vcpu *vcpu;
-	unsigned int vcpu_idx;
+	unsigned long vcpu_idx;
 	u32 scaol, scaoh;
 
 	if (kvm->arch.use_esca)
···
 	struct kvm *kvm = gmap->private;
 	struct kvm_vcpu *vcpu;
 	unsigned long prefix;
-	int i;
+	unsigned long i;
 
 	if (gmap_is_shadow(gmap))
 		return;
···
 {
 	struct kvm_vcpu *vcpu;
 	union tod_clock clk;
-	int i;
+	unsigned long i;
 
 	mutex_lock(&kvm->lock);
 	preempt_disable();
···
 
 static void __disable_ibs_on_all_vcpus(struct kvm *kvm)
 {
-	unsigned int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {

arch/s390/kvm/kvm-s390.h

···
 
 static inline void kvm_s390_vcpu_block_all(struct kvm *kvm)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	WARN_ON(!mutex_is_locked(&kvm->lock));
···
 
 static inline void kvm_s390_vcpu_unblock_all(struct kvm *kvm)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm)

arch/x86/kvm/hyperv.c

···
 static struct kvm_vcpu *get_vcpu_by_vpidx(struct kvm *kvm, u32 vpidx)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	if (vpidx >= KVM_MAX_VCPUS)
 		return NULL;
···
 {
 	struct kvm_hv *hv = to_kvm_hv(kvm);
 	struct kvm_vcpu *vcpu;
-	int i, bank, sbank = 0;
+	int bank, sbank = 0;
+	unsigned long i;
 
 	memset(vp_bitmap, 0,
 	       KVM_HV_MAX_SPARSE_VCPU_SET_BITS * sizeof(*vp_bitmap));
···
 		.vector = vector
 	};
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (vcpu_bitmap && !test_bit(i, vcpu_bitmap))

arch/x86/kvm/i8254.c

···
 	struct kvm_pit *pit = container_of(work, struct kvm_pit, expired);
 	struct kvm *kvm = pit->kvm;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 	struct kvm_kpit_state *ps = &pit->pit_state;
 
 	if (atomic_read(&ps->reinject) && !atomic_xchg(&ps->irq_ack, 0))

arch/x86/kvm/i8259.c

···
 {
 	bool wakeup = s->wakeup_needed;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	s->wakeup_needed = false;
 
···
 
 static void kvm_pic_reset(struct kvm_kpic_state *s)
 {
-	int irq, i;
+	int irq;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 	u8 edge_irr = s->irr & ~s->elcr;
 	bool found = false;

arch/x86/kvm/ioapic.c

···
 static void kvm_rtc_eoi_tracking_restore_all(struct kvm_ioapic *ioapic)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	if (RTC_GSI >= IOAPIC_NUM_PINS)
 		return;
···
 
 static void ioapic_lazy_update_eoi(struct kvm_ioapic *ioapic, int irq)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 	union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq];
 

arch/x86/kvm/irq_comm.c

···
 int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
 		struct kvm_lapic_irq *irq, struct dest_map *dest_map)
 {
-	int i, r = -1;
+	int r = -1;
 	struct kvm_vcpu *vcpu, *lowest = NULL;
-	unsigned long dest_vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)];
+	unsigned long i, dest_vcpu_bitmap[BITS_TO_LONGS(KVM_MAX_VCPUS)];
 	unsigned int dest_vcpus = 0;
 
 	if (kvm_irq_delivery_to_apic_fast(kvm, src, irq, &r, dest_map))
···
 bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,
 			     struct kvm_vcpu **dest_vcpu)
 {
-	int i, r = 0;
+	int r = 0;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	if (kvm_intr_is_single_vcpu_fast(kvm, irq, dest_vcpu))

arch/x86/kvm/kvm_onhyperv.c

···
 {
 	struct kvm_arch *kvm_arch = &kvm->arch;
 	struct kvm_vcpu *vcpu;
-	int ret = 0, i, nr_unique_valid_roots;
+	int ret = 0, nr_unique_valid_roots;
+	unsigned long i;
 	hpa_t root;
 
 	spin_lock(&kvm_arch->hv_root_tdp_lock);

arch/x86/kvm/lapic.c

···
 {
 	struct kvm_apic_map *new, *old = NULL;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 	u32 max_id = 255; /* enough space for any xAPIC ID */
 
 	/* Read kvm->arch.apic_map_dirty before kvm->arch.apic_map.  */
···
 	struct kvm_lapic *src = NULL;
 	struct kvm_apic_map *map;
 	struct kvm_vcpu *vcpu;
-	unsigned long bitmap;
-	int i, vcpu_idx;
+	unsigned long bitmap, i;
+	int vcpu_idx;
 	bool ret;
 
 	rcu_read_lock();

arch/x86/kvm/svm/avic.c

···
 				   u32 icrl, u32 icrh)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		bool m = kvm_apic_match_dest(vcpu, source,

arch/x86/kvm/svm/sev.c

···
 static int sev_launch_update_vmsa(struct kvm *kvm, struct kvm_sev_cmd *argp)
 {
 	struct kvm_vcpu *vcpu;
-	int i, ret;
+	unsigned long i;
+	int ret;
 
 	if (!sev_es_guest(kvm))
 		return -ENOTTY;
···
 static int sev_lock_vcpus_for_migration(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int i, j;
+	unsigned long i, j;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (mutex_lock_killable(&vcpu->mutex))
···
 static void sev_unlock_vcpus_for_migration(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		mutex_unlock(&vcpu->mutex);
···
 
 static int sev_es_migrate_from(struct kvm *dst, struct kvm *src)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *dst_vcpu, *src_vcpu;
 	struct vcpu_svm *dst_svm, *src_svm;
 

arch/x86/kvm/x86.c

···
 {
 	struct kvm_arch *ka = &kvm->arch;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	write_seqcount_end(&ka->pvclock_sc);
 	raw_spin_unlock_irq(&ka->tsc_write_lock);
···
 
 static void kvmclock_update_fn(struct work_struct *work)
 {
-	int i;
+	unsigned long i;
 	struct delayed_work *dwork = to_delayed_work(work);
 	struct kvm_arch *ka = container_of(dwork, struct kvm_arch,
 					   kvmclock_update_work);
···
 	 * VM-Exit.
 	 */
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	kvm_for_each_vcpu(i, vcpu, kvm)
 		kvm_vcpu_kick(vcpu);
···
 static int kvm_arch_suspend_notifier(struct kvm *kvm)
 {
 	struct kvm_vcpu *vcpu;
-	int i, ret = 0;
+	unsigned long i;
+	int ret = 0;
 
 	mutex_lock(&kvm->lock);
 	kvm_for_each_vcpu(i, vcpu, kvm) {
···
 {
 	struct kvm *kvm;
 	struct kvm_vcpu *vcpu;
-	int i, send_ipi = 0;
+	int send_ipi = 0;
+	unsigned long i;
 
 	/*
 	 * We allow guests to temporarily run on slowing clocks,
···
 static void pvclock_gtod_update_fn(struct work_struct *work)
 {
 	struct kvm *kvm;
-
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	mutex_lock(&kvm_lock);
 	list_for_each_entry(kvm, &vm_list, vm_list)
···
 {
 	bool inhibit = false;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	down_write(&kvm->arch.apicv_update_lock);
 
···
 {
 	struct kvm *kvm;
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 	int ret;
 	u64 local_tsc;
 	u64 max_tsc = 0;
···
 
 static void kvm_free_vcpus(struct kvm *kvm)
 {
-	unsigned int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	/*
···
 void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
 {
 	struct kvm_vcpu *vcpu;
-	int i;
+	unsigned long i;
 
 	/*
 	 * memslots->generation has been incremented.

include/linux/kvm_host.h

···
 static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
 {
 	struct kvm_vcpu *vcpu = NULL;
-	int i;
+	unsigned long i;
 
 	if (id < 0)
 		return NULL;

virt/kvm/kvm_main.c

···
 {
 	struct kvm_vcpu *vcpu;
 	struct cpumask *cpus;
+	unsigned long i;
 	bool called;
-	int i, me;
+	int me;
 
 	me = get_cpu();
 
···
 
 void kvm_destroy_vcpus(struct kvm *kvm)
 {
-	unsigned int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
···
 	struct kvm *kvm = me->kvm;
 	struct kvm_vcpu *vcpu;
 	int last_boosted_vcpu = me->kvm->last_boosted_vcpu;
+	unsigned long i;
 	int yielded = 0;
 	int try = 3;
 	int pass;
-	int i;
 
 	kvm_vcpu_set_in_spin_loop(me, true);
 	/*
···
 
 static int kvm_vm_ioctl_reset_dirty_pages(struct kvm *kvm)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 	int cleared = 0;
 
···
 
 static int kvm_get_stat_per_vcpu(struct kvm *kvm, size_t offset, u64 *val)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	*val = 0;
···
 
 static int kvm_clear_stat_per_vcpu(struct kvm *kvm, size_t offset)
 {
-	int i;
+	unsigned long i;
 	struct kvm_vcpu *vcpu;
 
 	kvm_for_each_vcpu(i, vcpu, kvm)