The following is a sample implementation of the __user_cmpxchg_4() function. Note that in a real implementation, both accesses to *ptr should be atomic, so that ...
The following is a sample implementation of the __user_cmpxchg_4() function. Note that in a real implementation, both accesses to *ptr should be atomic, so that ...
For example: static __always_inline int atomic_cmpxchg(atomic_t *v Read the ... The following is a sample implementation of the __user_cmpxchg_4() function.
