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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ISA2+poonceonces.litmus (598B)


      1C ISA2+poonceonces
      2
      3(*
      4 * Result: Sometimes
      5 *
      6 * Given a release-acquire chain ordering the first process's store
      7 * against the last process's load, is ordering preserved if all of the
      8 * smp_store_release() invocations are replaced by WRITE_ONCE() and all
      9 * of the smp_load_acquire() invocations are replaced by READ_ONCE()?
     10 *)
     11
     12{}
     13
     14P0(int *x, int *y)
     15{
     16	WRITE_ONCE(*x, 1);
     17	WRITE_ONCE(*y, 1);
     18}
     19
     20P1(int *y, int *z)
     21{
     22	int r0;
     23
     24	r0 = READ_ONCE(*y);
     25	WRITE_ONCE(*z, 1);
     26}
     27
     28P2(int *x, int *z)
     29{
     30	int r0;
     31	int r1;
     32
     33	r0 = READ_ONCE(*z);
     34	r1 = READ_ONCE(*x);
     35}
     36
     37exists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0)