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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/memory-model/litmus-tests/R+poonceonces.litmus | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/memory-model/litmus-tests/R+poonceonces.litmus')
-rw-r--r-- | tools/memory-model/litmus-tests/R+poonceonces.litmus | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/R+poonceonces.litmus b/tools/memory-model/litmus-tests/R+poonceonces.litmus new file mode 100644 index 000000000..5386f128a --- /dev/null +++ b/tools/memory-model/litmus-tests/R+poonceonces.litmus @@ -0,0 +1,27 @@ +C R+poonceonces + +(* + * Result: Sometimes + * + * This is the unordered (thus lacking smp_mb()) version of one of the + * classic counterintuitive litmus tests that illustrates the effects of + * store propagation delays. + *) + +{} + +P0(int *x, int *y) +{ + WRITE_ONCE(*x, 1); + WRITE_ONCE(*y, 1); +} + +P1(int *x, int *y) +{ + int r0; + + WRITE_ONCE(*y, 2); + r0 = READ_ONCE(*x); +} + +exists (y=2 /\ 1:r0=0) |