diff options
Diffstat (limited to 'tools/memory-model/litmus-tests/MP+polocks.litmus')
| -rw-r--r-- | tools/memory-model/litmus-tests/MP+polocks.litmus | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/MP+polocks.litmus b/tools/memory-model/litmus-tests/MP+polocks.litmus index 5fe6f1e3c452b..712a4fcdf6ce8 100644 --- a/tools/memory-model/litmus-tests/MP+polocks.litmus +++ b/tools/memory-model/litmus-tests/MP+polocks.litmus @@ -1,5 +1,16 @@ C MP+polocks +(* + * Result: Never + * + * This litmus test demonstrates how lock acquisitions and releases can + * stand in for smp_load_acquire() and smp_store_release(), respectively. + * In other words, when holding a given lock (or indeed after releasing a + * given lock), a CPU is not only guaranteed to see the accesses that other + * CPUs made while previously holding that lock, it is also guaranteed + * to see all prior accesses by those other CPUs. + *) + {} P0(int *x, int *y, spinlock_t *mylock) |