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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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linux-7.2.3/tools/memory-model/litmus-tests/S+poonceonces.litmus
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C S+poonceonces
(*
* Result: Sometimes
*
* Starting with a two-process release-acquire chain ordering P0()'s
* first store against P1()'s final load, if the smp_store_release()
* is replaced by WRITE_ONCE() and the smp_load_acquire() replaced by
* READ_ONCE(), is ordering preserved?
*)
{}
P0(int *x, int *y)
{
WRITE_ONCE(*x, 2);
WRITE_ONCE(*y, 1);
}
P1(int *x, int *y)
{
int r0;
r0 = READ_ONCE(*y);
WRITE_ONCE(*x, 1);
}
exists (x=2 /\ 1:r0=1)