Implement Sync for Device<Bound> in addition to Device<Normal>. The underlying struct pci_dev is the same; Bound is a zero-sized type-state marker that does not affect thread safety.
This is needed for pci::Bar to hold &'bound Device<Bound> (required for Bar::into_devres()) while remaining Send. Signed-off-by: Danilo Krummrich <[email protected]> --- rust/kernel/pci.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index fe5148f41d8b..6f82f2e6c74f 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -526,3 +526,7 @@ unsafe impl Send for Device {} // SAFETY: `Device` can be shared among threads because all methods of `Device` // (i.e. `Device<Normal>) are thread safe. unsafe impl Sync for Device {} + +// SAFETY: Same as `Device<Normal>` -- the underlying `struct pci_dev` is the same; +// `Bound` is a zero-sized type-state marker that does not affect thread safety. +unsafe impl Sync for Device<device::Bound> {} -- 2.54.0
