OpenCloudOS-Kernel/tools/memory-model/litmus-tests/MP+polocks.litmus

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C MP+polocks
{}
P0(int *x, int *y, spinlock_t *mylock)
{
WRITE_ONCE(*x, 1);
spin_lock(mylock);
WRITE_ONCE(*y, 1);
spin_unlock(mylock);
}
P1(int *x, int *y, spinlock_t *mylock)
{
int r0;
int r1;
spin_lock(mylock);
r0 = READ_ONCE(*y);
spin_unlock(mylock);
r1 = READ_ONCE(*x);
}
exists (1:r0=1 /\ 1:r1=0)