@@ -274,6 +274,14 @@ struct kvm_arch{
int css_support;
};
+#define KVM_HVA_ERR_BAD (-1UL)
+#define KVM_HVA_ERR_RO_BAD (-2UL)
+
+static inline bool kvm_is_error_hva(unsigned long addr)
+{
+ return IS_ERR_VALUE(addr);
+}
+
extern int sie64a(struct kvm_s390_sie_block *, u64 *);
extern char sie_exit;
#endif
@@ -85,6 +85,12 @@ static inline bool is_noslot_pfn(pfn_t pfn)
return pfn == KVM_PFN_NOSLOT;
}
+/*
+ * architectures with KVM_HVA_ERR_BAD other than PAGE_OFFSET (e.g. s390)
+ * provide own defines and kvm_is_error_hva
+ */
+#ifndef KVM_HVA_ERR_BAD
+
#define KVM_HVA_ERR_BAD (PAGE_OFFSET)
#define KVM_HVA_ERR_RO_BAD (PAGE_OFFSET + PAGE_SIZE)
@@ -93,6 +99,8 @@ static inline bool kvm_is_error_hva(unsigned long addr)
return addr >= PAGE_OFFSET;
}
+#endif
+
#define KVM_ERR_PTR_BAD_PAGE (ERR_PTR(-ENOENT))
static inline bool is_error_page(struct page *page)