| Message ID | 20231122192532.25791-1-brett.creeley@amd.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | vfio/pds: Fixes for locking bugs | expand |
On Wed, 22 Nov 2023 11:25:30 -0800 Brett Creeley <brett.creeley@amd.com> wrote: > This series contains fixes for locking bugs in the recently introduced > pds-vfio-pci driver. There was an initial bug reported by Dan Carpenter > at: > > https://lore.kernel.org/kvm/1f9bc27b-3de9-4891-9687-ba2820c1b390@moroto.mountain/ > > However, more locking bugs were found when looking into the previously > mentioned issue. So, all fixes are included in this series. > > v4: > - Drop patch 1/3 since it added a spinlock_init that was later replaced > by a mutex_init anyway > > v3: > https://lore.kernel.org/kvm/20231027223651.36047-1-brett.creeley@amd.com/ > - Change reset lock from spinlock to mutex > > v2: > https://lore.kernel.org/kvm/20231011230115.35719-1-brett.creeley@amd.com/ > - Trim the OOPs in the patch commit messages > - Rework patch 3/3 to only unlock the spinlock once > - Destroy the state_mutex in the driver specific vfio_device_ops.release > callback > > v1: > https://lore.kernel.org/kvm/20230914191540.54946-1-brett.creeley@amd.com/ > > Brett Creeley (2): > vfio/pds: Fix mutex lock->magic != lock warning > vfio/pds: Fix possible sleep while in atomic context > > drivers/vfio/pci/pds/pci_drv.c | 4 ++-- > drivers/vfio/pci/pds/vfio_dev.c | 30 +++++++++++++++++++++--------- > drivers/vfio/pci/pds/vfio_dev.h | 2 +- > 3 files changed, 24 insertions(+), 12 deletions(-) > Applied to vfio for-linus branch for v6.7. Thanks, Alex