[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 0/2] two atomic_cmpxchg() related fixes
From: |
Halil Pasic |
Subject: |
[PATCH 0/2] two atomic_cmpxchg() related fixes |
Date: |
Tue, 16 Jun 2020 06:50:33 +0200 |
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
--
2.17.1
[PATCH 2/2] s390x/pci: fix set_ind_atomic, Halil Pasic, 2020/06/16