Richard Henderson writes:
> From: "Emilio G. Cota"
>
> Emulating LL/SC with cmpxchg is not correct, since it can
> suffer from the ABA problem. Portable parallel code, however,
> is written assuming only cmpxchg--and not LL/SC--is available.
> This means that in practice emulating LL/SC with cm
From: "Emilio G. Cota"
Emulating LL/SC with cmpxchg is not correct, since it can
suffer from the ABA problem. Portable parallel code, however,
is written assuming only cmpxchg--and not LL/SC--is available.
This means that in practice emulating LL/SC with cmpxchg is
a viable alternative.
The appe
