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+poonceonces.litmus (346B)


      1C LB+poonceonces
      2
      3(*
      4 * Result: Sometimes
      5 *
      6 * Can the counter-intuitive outcome for the load-buffering pattern
      7 * be prevented even with no explicit ordering?
      8 *)
      9
     10{}
     11
     12P0(int *x, int *y)
     13{
     14	int r0;
     15
     16	r0 = READ_ONCE(*x);
     17	WRITE_ONCE(*y, 1);
     18}
     19
     20P1(int *x, int *y)
     21{
     22	int r0;
     23
     24	r0 = READ_ONCE(*y);
     25	WRITE_ONCE(*x, 1);
     26}
     27
     28exists (0:r0=1 /\ 1:r0=1)