mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 21:21:41 +00:00
73e2f19da5
Stop taking kv->lock mutex in kvm_vfio_update_coherency() and instead call it with this mutex held: the callers of the function usually already have it taken (and released) before calling kvm_vfio_update_coherency(). This avoid bouncing the lock up and down. The exception is kvm_vfio_release() where we do not take the lock, but it is being executed when the very last reference to kvm_device is being dropped, so there are no concerns about concurrency. Suggested-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/20230714224538.404793-2-dmitry.torokhov@gmail.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
||
|---|---|---|
| .. | ||
| kvm | ||
| lib | ||
| Makefile | ||