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Tsirkin" , David Hildenbrand , qemu-devel@nongnu.org, Halil Pasic , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 1 Jul 2020 14:06:11 +0200 Christian Borntraeger wrote: > On 01.07.20 14:01, Cornelia Huck wrote: > > On Tue, 16 Jun 2020 06:50:33 +0200 > > Halil Pasic 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. > > Unless Halil has a v2 ready, > I think the current patch is fine as is as a fix. I would suggest > to go with that and we can then do more beautification later when > necessary. Sure, no objection to the patches as they are now. I would like to see some R-bs/A-bs, though :)