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>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c89d1b5..e3e1658 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -931,17 +931,6 @@
}
EXPORT_SYMBOL_GPL(kvm_disable_largepages);
-static inline unsigned long bad_hva(void)
-{
- return PAGE_OFFSET;
-}
-
-int kvm_is_error_hva(unsigned long addr)
-{
- return addr == bad_hva();
-}
-EXPORT_SYMBOL_GPL(kvm_is_error_hva);
-
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn)
{
return __gfn_to_memslot(kvm_memslots(kvm), gfn);
@@ -988,7 +977,7 @@
gfn_t *nr_pages)
{
if (!slot || slot->flags & KVM_MEMSLOT_INVALID)
- return bad_hva();
+ return KVM_HVA_ERR_BAD;
if (nr_pages)
*nr_pages = slot->npages - (gfn - slot->base_gfn);
