Lines Matching refs:pointer

12 	to load an RCU-protected pointer, otherwise CONFIG_PROVE_RCU
17 	different values for a single pointer!  Without rcu_dereference(),
18 	DEC Alpha can load a pointer, dereference that pointer, and
20 	the pointer.
23 	compiler from deducing the resulting pointer value.  Please see
26 	value of the pointer, and thus cause misordering.
48 	Of course, if "p" is a pointer from rcu_dereference(), and "a"
115 	substitute the pointer you are comparing against for the pointer
136 	o	The comparison was against the NULL pointer.  If the
137 		compiler knows that the pointer is NULL, you had better
143 	o	The pointer is never dereferenced after being compared.
150 	o	The comparison is against a pointer that references memory
174 	o	The pointer being compared against also came from
193 		pointer.  Note that the volatile cast in rcu_dereference()
321 If a pointer obtained from rcu_dereference() compares not-equal to some
322 other pointer, the compiler normally has no clue what the value of the
323 first pointer might be.  This lack of knowledge prevents the compiler
371 dereference the resulting pointer.