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-rw-r--r--kernel/linux/kni/compat.h17
1 files changed, 6 insertions, 11 deletions
diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h
index 062b170..83ecac2 100644
--- a/kernel/linux/kni/compat.h
+++ b/kernel/linux/kni/compat.h
@@ -122,16 +122,11 @@
#define HAVE_SIGNAL_FUNCTIONS_OWN_HEADER
#endif
-#if KERNEL_VERSION(4, 6, 0) <= LINUX_VERSION_CODE
-
+/*
+ * iova to kva mapping support can be provided since 4.6.0, but required
+ * kernel version increased to > 4.9.0 because of the updates in
+ * get_user_pages_remote() kernel API
+ */
+#if KERNEL_VERSION(4, 9, 0) < LINUX_VERSION_CODE
#define HAVE_IOVA_TO_KVA_MAPPING_SUPPORT
-
-#if KERNEL_VERSION(4, 9, 0) > LINUX_VERSION_CODE
-#define GET_USER_PAGES_REMOTE_API_V1
-#elif KERNEL_VERSION(4, 9, 0) == LINUX_VERSION_CODE
-#define GET_USER_PAGES_REMOTE_API_V2
-#else
-#define GET_USER_PAGES_REMOTE_API_V3
-#endif
-
#endif