Commit 455943aa authored by Danilo Krummrich's avatar Danilo Krummrich Committed by Greg Kroah-Hartman
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rust: platform: impl Send + Sync for platform::Device 



Commit 4d320e30 ("rust: platform: fix unrestricted &mut
platform::Device") changed the definition of platform::Device and
discarded the implicitly derived Send and Sync traits.

This isn't required by upstream code yet, and hence did not cause any
issues. However, it is relied on by upcoming drivers, hence add it back
in.

Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250318212940.137577-2-dakr@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e2942bb4

rust/kernel/platform.rs

+7 −0
Original line number Diff line number Diff line
@@ -233,3 +233,10 @@ fn as_ref(&self) -> &device::Device { 
        unsafe { device::Device::as_ref(dev) }

    }

}



// SAFETY: A `Device` is always reference-counted and can be released from any thread.

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 {}