This source file includes following definitions.
- enter_vmx_usercopy
- exit_vmx_usercopy
- enter_vmx_ops
- exit_vmx_ops
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9 #include <linux/uaccess.h>
10 #include <linux/hardirq.h>
11 #include <asm/switch_to.h>
12 #include <asm/asm-prototypes.h>
13
14 int enter_vmx_usercopy(void)
15 {
16 if (in_interrupt())
17 return 0;
18
19 preempt_disable();
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25 pagefault_disable();
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27 enable_kernel_altivec();
28
29 return 1;
30 }
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36 int exit_vmx_usercopy(void)
37 {
38 disable_kernel_altivec();
39 pagefault_enable();
40 preempt_enable();
41 return 0;
42 }
43
44 int enter_vmx_ops(void)
45 {
46 if (in_interrupt())
47 return 0;
48
49 preempt_disable();
50
51 enable_kernel_altivec();
52
53 return 1;
54 }
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61 void *exit_vmx_ops(void *dest)
62 {
63 disable_kernel_altivec();
64 preempt_enable();
65 return dest;
66 }