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-rw-r--r-- | Documentation/memory-barriers.txt | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 1073e019ef06..f7fa63508aba 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt | |||
@@ -121,22 +121,22 @@ For example, consider the following sequence of events: | |||
121 | The set of accesses as seen by the memory system in the middle can be arranged | 121 | The set of accesses as seen by the memory system in the middle can be arranged |
122 | in 24 different combinations: | 122 | in 24 different combinations: |
123 | 123 | ||
124 | STORE A=3, STORE B=4, x=LOAD A->3, y=LOAD B->4 | 124 | STORE A=3, STORE B=4, y=LOAD A->3, x=LOAD B->4 |
125 | STORE A=3, STORE B=4, y=LOAD B->4, x=LOAD A->3 | 125 | STORE A=3, STORE B=4, x=LOAD B->4, y=LOAD A->3 |
126 | STORE A=3, x=LOAD A->3, STORE B=4, y=LOAD B->4 | 126 | STORE A=3, y=LOAD A->3, STORE B=4, x=LOAD B->4 |
127 | STORE A=3, x=LOAD A->3, y=LOAD B->2, STORE B=4 | 127 | STORE A=3, y=LOAD A->3, x=LOAD B->2, STORE B=4 |
128 | STORE A=3, y=LOAD B->2, STORE B=4, x=LOAD A->3 | 128 | STORE A=3, x=LOAD B->2, STORE B=4, y=LOAD A->3 |
129 | STORE A=3, y=LOAD B->2, x=LOAD A->3, STORE B=4 | 129 | STORE A=3, x=LOAD B->2, y=LOAD A->3, STORE B=4 |
130 | STORE B=4, STORE A=3, x=LOAD A->3, y=LOAD B->4 | 130 | STORE B=4, STORE A=3, y=LOAD A->3, x=LOAD B->4 |
131 | STORE B=4, ... | 131 | STORE B=4, ... |
132 | ... | 132 | ... |
133 | 133 | ||
134 | and can thus result in four different combinations of values: | 134 | and can thus result in four different combinations of values: |
135 | 135 | ||
136 | x == 1, y == 2 | 136 | x == 2, y == 1 |
137 | x == 1, y == 4 | 137 | x == 2, y == 3 |
138 | x == 3, y == 2 | 138 | x == 4, y == 1 |
139 | x == 3, y == 4 | 139 | x == 4, y == 3 |
140 | 140 | ||
141 | 141 | ||
142 | Furthermore, the stores committed by a CPU to the memory system may not be | 142 | Furthermore, the stores committed by a CPU to the memory system may not be |