KVM: Change is_mmio_pfn to kvm_is_mmio_pfn, and make it common for all archs

Add a kvm_ prefix to avoid polluting kernel's name space.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 10c1146..b3b7598 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -288,6 +288,8 @@ int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
 void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
 
+int kvm_is_mmio_pfn(pfn_t pfn);
+
 struct kvm_irq_ack_notifier {
        struct hlist_node link;
        unsigned gsi;

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 485bcdc..cf0ab8e 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -316,7 +316,7 @@ static inline int valid_vcpu(int n)
        return likely(n >= 0 && n < KVM_MAX_VCPUS);
 }
 
-static inline int is_mmio_pfn(pfn_t pfn)
+inline int kvm_is_mmio_pfn(pfn_t pfn)
 {
        if (pfn_valid(pfn))
                return PageReserved(pfn_to_page(pfn));
@@ -994,7 +994,7 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
 
                pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
                up_read(&current->mm->mmap_sem);
-               BUG_ON(!is_mmio_pfn(pfn));
+               BUG_ON(!kvm_is_mmio_pfn(pfn));
        } else
                pfn = page_to_pfn(page[0]);
 
@@ -1008,10 +1008,10 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
        pfn_t pfn;
 
        pfn = gfn_to_pfn(kvm, gfn);
-       if (!is_mmio_pfn(pfn))
+       if (!kvm_is_mmio_pfn(pfn))
                return pfn_to_page(pfn);
 
-       WARN_ON(is_mmio_pfn(pfn));
+       WARN_ON(kvm_is_mmio_pfn(pfn));
 
        get_page(bad_page);
        return bad_page;
@@ -1027,7 +1027,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean);
 
 void kvm_release_pfn_clean(pfn_t pfn)
 {
-       if (!is_mmio_pfn(pfn))
+       if (!kvm_is_mmio_pfn(pfn))
                put_page(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
@@ -1053,7 +1053,7 @@ EXPORT_SYMBOL_GPL(kvm_set_page_dirty);
 
 void kvm_set_pfn_dirty(pfn_t pfn)
 {
-       if (!is_mmio_pfn(pfn)) {
+       if (!kvm_is_mmio_pfn(pfn)) {
                struct page *page = pfn_to_page(pfn);
                if (!PageReserved(page))
                        SetPageDirty(page);
@@ -1063,14 +1063,14 @@ EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
 
 void kvm_set_pfn_accessed(pfn_t pfn)
 {
-       if (!is_mmio_pfn(pfn))
+       if (!kvm_is_mmio_pfn(pfn))
                mark_page_accessed(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
 
 void kvm_get_pfn(pfn_t pfn)
 {
-       if (!is_mmio_pfn(pfn))
+       if (!kvm_is_mmio_pfn(pfn))
                get_page(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_get_pfn);