cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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LB+poacquireonce+pooncerelease.litmus (412B)

      1C LB+poacquireonce+pooncerelease
      2
      3(*
      4 * Result: Never
      5 *
      6 * Does a release-acquire pair suffice for the load-buffering litmus
      7 * test, where each process reads from one of two variables then writes
      8 * to the other?
      9 *)
     10
     11{}
     12
     13P0(int *x, int *y)
     14{
     15	int r0;
     16
     17	r0 = READ_ONCE(*x);
     18	smp_store_release(y, 1);
     19}
     20
     21P1(int *x, int *y)
     22{
     23	int r0;
     24
     25	r0 = smp_load_acquire(y);
     26	WRITE_ONCE(*x, 1);
     27}
     28
     29exists (0:r0=1 /\ 1:r0=1)