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-rw-r--r--virt/kvm/arm/vgic.c8
-rw-r--r--virt/kvm/kvm_main.c16
2 files changed, 12 insertions, 12 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 3aaca49..aacdb59 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1933,7 +1933,7 @@ out:
int kvm_vgic_create(struct kvm *kvm)
{
- int i, vcpu_lock_idx = -1, ret = 0;
+ int i, vcpu_lock_idx = -1, ret;
struct kvm_vcpu *vcpu;
mutex_lock(&kvm->lock);
@@ -1948,6 +1948,7 @@ int kvm_vgic_create(struct kvm *kvm)
* vcpu->mutex. By grabbing the vcpu->mutex of all VCPUs we ensure
* that no other VCPUs are run while we create the vgic.
*/
+ ret = -EBUSY;
kvm_for_each_vcpu(i, vcpu, kvm) {
if (!mutex_trylock(&vcpu->mutex))
goto out_unlock;
@@ -1955,11 +1956,10 @@ int kvm_vgic_create(struct kvm *kvm)
}
kvm_for_each_vcpu(i, vcpu, kvm) {
- if (vcpu->arch.has_run_once) {
- ret = -EBUSY;
+ if (vcpu->arch.has_run_once)
goto out_unlock;
- }
}
+ ret = 0;
spin_lock_init(&kvm->arch.vgic.lock);
kvm->arch.vgic.in_kernel = true;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 25ffac9..3cee7b1 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -107,10 +107,10 @@ EXPORT_SYMBOL_GPL(kvm_rebooting);
static bool largepages_enabled = true;
-bool kvm_is_mmio_pfn(pfn_t pfn)
+bool kvm_is_reserved_pfn(pfn_t pfn)
{
if (pfn_valid(pfn))
- return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn));
+ return PageReserved(pfn_to_page(pfn));
return true;
}
@@ -1321,7 +1321,7 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
else if ((vma->vm_flags & VM_PFNMAP)) {
pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) +
vma->vm_pgoff;
- BUG_ON(!kvm_is_mmio_pfn(pfn));
+ BUG_ON(!kvm_is_reserved_pfn(pfn));
} else {
if (async && vma_is_valid(vma, write_fault))
*async = true;
@@ -1427,7 +1427,7 @@ static struct page *kvm_pfn_to_page(pfn_t pfn)
if (is_error_noslot_pfn(pfn))
return KVM_ERR_PTR_BAD_PAGE;
- if (kvm_is_mmio_pfn(pfn)) {
+ if (kvm_is_reserved_pfn(pfn)) {
WARN_ON(1);
return KVM_ERR_PTR_BAD_PAGE;
}
@@ -1456,7 +1456,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean);
void kvm_release_pfn_clean(pfn_t pfn)
{
- if (!is_error_noslot_pfn(pfn) && !kvm_is_mmio_pfn(pfn))
+ if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))
put_page(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
@@ -1477,7 +1477,7 @@ static void kvm_release_pfn_dirty(pfn_t pfn)
void kvm_set_pfn_dirty(pfn_t pfn)
{
- if (!kvm_is_mmio_pfn(pfn)) {
+ if (!kvm_is_reserved_pfn(pfn)) {
struct page *page = pfn_to_page(pfn);
if (!PageReserved(page))
SetPageDirty(page);
@@ -1487,14 +1487,14 @@ EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
void kvm_set_pfn_accessed(pfn_t pfn)
{
- if (!kvm_is_mmio_pfn(pfn))
+ if (!kvm_is_reserved_pfn(pfn))
mark_page_accessed(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
void kvm_get_pfn(pfn_t pfn)
{
- if (!kvm_is_mmio_pfn(pfn))
+ if (!kvm_is_reserved_pfn(pfn))
get_page(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm_get_pfn);
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