summaryrefslogtreecommitdiffstats
path: root/virt/kvm/kvm_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c81
1 files changed, 27 insertions, 54 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4f588bc94186..03a0381b1cb7 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -95,6 +95,12 @@ static int hardware_enable_all(void);
static void hardware_disable_all(void);
static void kvm_io_bus_destroy(struct kvm_io_bus *bus);
+static void update_memslots(struct kvm_memslots *slots,
+ struct kvm_memory_slot *new, u64 last_generation);
+
+static void kvm_release_pfn_dirty(pfn_t pfn);
+static void mark_page_dirty_in_slot(struct kvm *kvm,
+ struct kvm_memory_slot *memslot, gfn_t gfn);
bool kvm_rebooting;
EXPORT_SYMBOL_GPL(kvm_rebooting);
@@ -553,7 +559,7 @@ static void kvm_free_physmem_slot(struct kvm *kvm, struct kvm_memory_slot *free,
free->npages = 0;
}
-void kvm_free_physmem(struct kvm *kvm)
+static void kvm_free_physmem(struct kvm *kvm)
{
struct kvm_memslots *slots = kvm->memslots;
struct kvm_memory_slot *memslot;
@@ -675,8 +681,9 @@ static void sort_memslots(struct kvm_memslots *slots)
slots->id_to_index[slots->memslots[i].id] = i;
}
-void update_memslots(struct kvm_memslots *slots, struct kvm_memory_slot *new,
- u64 last_generation)
+static void update_memslots(struct kvm_memslots *slots,
+ struct kvm_memory_slot *new,
+ u64 last_generation)
{
if (new) {
int id = new->id;
@@ -924,8 +931,8 @@ int kvm_set_memory_region(struct kvm *kvm,
}
EXPORT_SYMBOL_GPL(kvm_set_memory_region);
-int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
- struct kvm_userspace_memory_region *mem)
+static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
+ struct kvm_userspace_memory_region *mem)
{
if (mem->slot >= KVM_USER_MEM_SLOTS)
return -EINVAL;
@@ -1047,7 +1054,7 @@ static unsigned long gfn_to_hva_many(struct kvm_memory_slot *slot, gfn_t gfn,
}
unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
- gfn_t gfn)
+ gfn_t gfn)
{
return gfn_to_hva_many(slot, gfn, NULL);
}
@@ -1387,18 +1394,11 @@ void kvm_release_page_dirty(struct page *page)
}
EXPORT_SYMBOL_GPL(kvm_release_page_dirty);
-void kvm_release_pfn_dirty(pfn_t pfn)
+static void kvm_release_pfn_dirty(pfn_t pfn)
{
kvm_set_pfn_dirty(pfn);
kvm_release_pfn_clean(pfn);
}
-EXPORT_SYMBOL_GPL(kvm_release_pfn_dirty);
-
-void kvm_set_page_dirty(struct page *page)
-{
- kvm_set_pfn_dirty(page_to_pfn(page));
-}
-EXPORT_SYMBOL_GPL(kvm_set_page_dirty);
void kvm_set_pfn_dirty(pfn_t pfn)
{
@@ -1640,8 +1640,9 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len)
}
EXPORT_SYMBOL_GPL(kvm_clear_guest);
-void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot,
- gfn_t gfn)
+static void mark_page_dirty_in_slot(struct kvm *kvm,
+ struct kvm_memory_slot *memslot,
+ gfn_t gfn)
{
if (memslot && memslot->dirty_bitmap) {
unsigned long rel_gfn = gfn - memslot->base_gfn;
@@ -1710,14 +1711,6 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
EXPORT_SYMBOL_GPL(kvm_vcpu_kick);
#endif /* !CONFIG_S390 */
-void kvm_resched(struct kvm_vcpu *vcpu)
-{
- if (!need_resched())
- return;
- cond_resched();
-}
-EXPORT_SYMBOL_GPL(kvm_resched);
-
bool kvm_vcpu_yield_to(struct kvm_vcpu *target)
{
struct pid *pid;
@@ -1742,7 +1735,6 @@ bool kvm_vcpu_yield_to(struct kvm_vcpu *target)
}
EXPORT_SYMBOL_GPL(kvm_vcpu_yield_to);
-#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
/*
* Helper that checks whether a VCPU is eligible for directed yield.
* Most eligible candidate to yield is decided by following heuristics:
@@ -1765,8 +1757,9 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_yield_to);
* locking does not harm. It may result in trying to yield to same VCPU, fail
* and continue with next VCPU and so on.
*/
-bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu)
+static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu)
{
+#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
bool eligible;
eligible = !vcpu->spin_loop.in_spin_loop ||
@@ -1777,8 +1770,10 @@ bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu)
kvm_vcpu_set_dy_eligible(vcpu, !vcpu->spin_loop.dy_eligible);
return eligible;
-}
+#else
+ return true;
#endif
+}
void kvm_vcpu_on_spin(struct kvm_vcpu *me)
{
@@ -2284,6 +2279,11 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
ops = &kvm_vfio_ops;
break;
#endif
+#ifdef CONFIG_KVM_ARM_VGIC
+ case KVM_DEV_TYPE_ARM_VGIC_V2:
+ ops = &kvm_arm_vgic_v2_ops;
+ break;
+#endif
default:
return -ENODEV;
}
@@ -2939,33 +2939,6 @@ int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
return r < 0 ? r : 0;
}
-/* kvm_io_bus_read_cookie - called under kvm->slots_lock */
-int kvm_io_bus_read_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
- int len, void *val, long cookie)
-{
- struct kvm_io_bus *bus;
- struct kvm_io_range range;
-
- range = (struct kvm_io_range) {
- .addr = addr,
- .len = len,
- };
-
- bus = srcu_dereference(kvm->buses[bus_idx], &kvm->srcu);
-
- /* First try the device referenced by cookie. */
- if ((cookie >= 0) && (cookie < bus->dev_count) &&
- (kvm_io_bus_cmp(&range, &bus->range[cookie]) == 0))
- if (!kvm_iodevice_read(bus->range[cookie].dev, addr, len,
- val))
- return cookie;
-
- /*
- * cookie contained garbage; fall back to search and return the
- * correct cookie value.
- */
- return __kvm_io_bus_read(bus, &range, val);
-}
/* Caller must hold slots_lock. */
int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,