KVM: introduce KVM_HVA_ERR_BAD

Then, remove bad_hva and inline kvm_is_error_hva

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4fd33e03d5dc..b9bba60c298b 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -82,6 +82,13 @@ static inline bool is_invalid_pfn(pfn_t pfn)
         return !is_noslot_pfn(pfn) && is_error_pfn(pfn);
 }
 
+#define KVM_HVA_ERR_BAD (PAGE_OFFSET)
+
+static inline bool kvm_is_error_hva(unsigned long addr)
+{
+        return addr == PAGE_OFFSET;
+}
+
 #define KVM_ERR_PTR_BAD_PAGE    (ERR_PTR(-ENOENT))
 
 static inline bool is_error_page(struct page *page)
@@ -430,7 +437,6 @@ id_to_memslot(struct kvm_memslots *slots, int id)
         return slot;
 }
 
-int kvm_is_error_hva(unsigned long addr);
 int kvm_set_memory_region(struct kvm *kvm,
                           struct kvm_userspace_memory_region *mem,
                           int user_alloc);