Lines Matching refs:A

29 reader_page - A page outside the ring buffer used solely (for the most part)
40    A = B iff previous A == C
42    R = cmpxchg(A, C, B) is saying that we replace A with B if and only if
43       current A is equal to C, and we put the old (current) A into R
45    R gets the previous A regardless if A is updated with B or not.
81 same time, nor can a reader preempt/interrupt another reader. A reader
84 on another processor to do so. A reader may read on its own processor
87 A writer can preempt a reader, but a reader cannot preempt a writer.
114 A sample of how the reader page is swapped: Note this does not
210 writer stack. A writer that preempts another writer will not move the
918                A        B    tail page
926 If tail page != A and tail page != B, then it must reset the pointer
933                A        B    tail page
948                A        B    tail page