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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
--- a/common/lib/modules/fglrx/build_mod/firegl_public.c 2012-06-15 18:30:13.483762070 +0200
+++ b/common/lib/modules/fglrx/build_mod/firegl_public.c 2012-06-17 17:47:36.543041869 +0200
@@ -2106,6 +2106,12 @@
}
}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)
+# define NO_DO_MMAP
+# define do_mmap(a,b,c,d,e,f) vm_mmap(a, b, c, d, e, f)
+# define do_munmap(a,b,c) vm_munmap(b, c)
+#endif
+
unsigned long ATI_API_CALL KCL_MEM_AllocLinearAddrInterval(
KCL_IO_FILE_Handle file,
unsigned long addr,
@@ -2117,10 +2123,13 @@
flags = MAP_SHARED;
prot = PROT_READ|PROT_WRITE;
-
+#ifdef NO_DO_MMAP
+ vaddr = (void *) vm_mmap(file, 0, len, prot, flags, pgoff);
+#else
down_write(¤t->mm->mmap_sem);
vaddr = (void *) do_mmap(file, 0, len, prot, flags, pgoff);
up_write(¤t->mm->mmap_sem);
+#endif
if (IS_ERR(vaddr))
return 0;
else
@@ -2131,7 +2140,9 @@
{
int retcode = 0;
+#ifndef NO_DO_MMAP
down_write(¤t->mm->mmap_sem);
+#endif
#ifdef FGL_LINUX_RHEL_MUNMAP_API
retcode = do_munmap(current->mm,
addr,
@@ -2142,7 +2153,9 @@
addr,
len);
#endif
+#ifndef NO_DO_MMAP
up_write(¤t->mm->mmap_sem);
+#endif
return retcode;
}
|
