KVM: introduce KVM_PFN_ERR_RO_FAULT

In the later patch, it indicates failure when we try to get a writable pfn from the readonly memslot Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
mariux64 · Aug 22, 2012 · 69552c2 · 69552c2
1 parent 12ce13f
commit 69552c2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
@@ -65,6 +65,7 @@
 #define KVM_PFN_ERR_FAULT	(KVM_PFN_ERR_MASK)
 #define KVM_PFN_ERR_HWPOISON	(KVM_PFN_ERR_MASK + 1)
 #define KVM_PFN_ERR_BAD		(KVM_PFN_ERR_MASK + 2)
+#define KVM_PFN_ERR_RO_FAULT	(KVM_PFN_ERR_MASK + 3)
 
 static inline bool is_error_pfn(pfn_t pfn)
 {