Re: [PATCH 0/2] two atomic_cmpxchg() related fixes

[Cornelia Huck]

On Tue, 16 Jun 2020 06:50:33 +0200
Halil Pasic <pasic@linux.ibm.com> wrote:

> The story short: compiler can generate code that does two
> distinct fetches of *ind_addr for old and _old. If that happens we can
> not figure out if we had the desired xchg or not.
> 
> Halil Pasic (2):
>   virtio-ccw: fix virtio_set_ind_atomic
>   s390x/pci: fix set_ind_atomic
> 
>  hw/s390x/s390-pci-bus.c | 16 +++++++++-------
>  hw/s390x/virtio-ccw.c   | 18 ++++++++++--------
>  2 files changed, 19 insertions(+), 15 deletions(-)
> 
> 
> base-commit: 7d3660e79830a069f1848bb4fa1cdf8f666424fb

Have we managed to reach any kind of agreement on this? (A v2?)

We can still get in fixes post-softfreeze, of course.