From a3088573812836ca54e195be29c259f62bb96791 Mon Sep 17 00:00:00 2001
From: Kolan Sh <backbone@backbone.ws>
Date: Fri, 26 Jun 2015 15:27:10 +0300
Subject: [PATCH] nvidia-drivers adopted for 4.0+ kernels.

---
 x11-drivers/nvidia-drivers/files/4.0_kernel.patch    | 12 ++++++++++++
 .../nvidia-drivers/nvidia-drivers-331.113.ebuild     |  4 ++++
 2 files changed, 16 insertions(+)
 create mode 100644 x11-drivers/nvidia-drivers/files/4.0_kernel.patch

diff --git a/x11-drivers/nvidia-drivers/files/4.0_kernel.patch b/x11-drivers/nvidia-drivers/files/4.0_kernel.patch
new file mode 100644
index 00000000..187856e1
--- /dev/null
+++ b/x11-drivers/nvidia-drivers/files/4.0_kernel.patch
@@ -0,0 +1,12 @@
+--- kernel/nv-linux.h	2015-06-26 15:17:49.851273250 +0300
++++ kernel/nv-linux.h	2015-06-26 15:22:51.119150159 +0300
+@@ -1864,4 +1864,9 @@
+ #define f_dentry f_path.dentry
+ #endif
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
++#define read_cr4 __read_cr4
++#define write_cr4 __write_cr4
++#endif
++
+ #endif  /* _NV_LINUX_H_ */
diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-331.113.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-331.113.ebuild
index 3f25ded1..cb3ecee5 100644
--- a/x11-drivers/nvidia-drivers/nvidia-drivers-331.113.ebuild
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-331.113.ebuild
@@ -180,6 +180,10 @@ src_prepare() {
 			epatch "${FILESDIR}"/3.19_kernel.patch
 		fi
 
+		if kernel_is gt 4 0 0 ; then
+			epatch "${FILESDIR}"/4.0_kernel.patch
+		fi
+
 		# If greater than 2.6.5 use M= instead of SUBDIR=
 #		convert_to_m "${NV_SRC}"/Makefile.kbuild
 	fi