Re: [Qemu-devel] [PATCH v2 1/3] target/ppc: Emulate LL/SC using cmpxchg helpers

[Richard Henderson]

On 04/06/2017 11:07 PM, Nikunj A Dadhania wrote:
> Emulating LL/SC with cmpxchg is not correct, since it can suffer from
> the ABA problem. However, portable parallel code is written assuming
> only cmpxchg which means that in practice this is a viable alternative.
>
> Signed-off-by: Nikunj A Dadhania <address@hidden>
> ---
>  target/ppc/translate.c | 29 +++++++++++++++++++++++------
>  1 file changed, 23 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~