probe_read_common

Name:probe_read_common

Proto:static __always_inline long probe_read_common(void *dst, const void __user *src, size_t size)

Type:long

Parameter:

Type	Parameter	Name
void *	dst
const void __user *	src
size_t	size

14

These routines enable/disable the pagefault handler. If disabled, it will* not take any locks and go straight to the fixup table.* User access methods will not sleep when called from a pagefault_disabled()* environment.

15

ret = Architectures should provide two primitives (raw_copy_{to,from}_user())* and get rid of their private instances of copy_{to,from}_user() and* __copy_{to,from}_user{,_inatomic}().* raw_copy_{to,from}_user(to, from, size) should copy up to size bytes and

16

pagefault_enable()

18

Return If ret Then -EFAULT Else 0

**Caller**
Name	Describe
__probe_kernel_read
__probe_user_read

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