blob: 06ccf2919cdb4bd46031a89f756ab28a2bb8f23c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
diff -Naur nv.orig/nv.c nv/nv.c
--- nv.orig/nv.c 2015-04-16 12:42:44.787122000 +0200
+++ nv/nv.c 2015-04-16 13:17:17.516780874 +0200
@@ -726,8 +726,13 @@
unsigned long cr0 = read_cr0();
write_cr0(((cr0 & (0xdfffffff)) | 0x40000000));
wbinvd();
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
+ *cr4 = __read_cr4();
+ if (*cr4 & 0x80) __write_cr4(*cr4 & ~0x80);
+#else
*cr4 = read_cr4();
if (*cr4 & 0x80) write_cr4(*cr4 & ~0x80);
+#endif
__flush_tlb();
}
@@ -737,7 +742,11 @@
wbinvd();
__flush_tlb();
write_cr0((cr0 & 0x9fffffff));
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
+ if (cr4 & 0x80) __write_cr4(cr4);
+#else
if (cr4 & 0x80) write_cr4(cr4);
+#endif
}
static int __determine_pat_mode()
|