blob: e68d6c780221bc9825e8ae8a2385b1ae46b0298b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
From df70d04d56975f527b9c965322cf56e245909071 Mon Sep 17 00:00:00 2001
From: Wedson Almeida Filho <walmeida@microsoft.com>
Date: Thu, 28 Mar 2024 16:54:53 -0300
Subject: rust: phy: implement `Send` for `Registration`
From: Wedson Almeida Filho <walmeida@microsoft.com>
commit df70d04d56975f527b9c965322cf56e245909071 upstream.
In preparation for requiring `Send` for `Module` implementations in the
next patch.
Cc: FUJITA Tomonori <fujita.tomonori@gmail.com>
Cc: Trevor Gross <tmgross@umich.edu>
Cc: netdev@vger.kernel.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240328195457.225001-2-wedsonaf@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
rust/kernel/net/phy.rs | 4 ++++
1 file changed, 4 insertions(+)
--- a/rust/kernel/net/phy.rs
+++ b/rust/kernel/net/phy.rs
@@ -640,6 +640,10 @@ pub struct Registration {
drivers: Pin<&'static mut [DriverVTable]>,
}
+// SAFETY: The only action allowed in a `Registration` instance is dropping it, which is safe to do
+// from any thread because `phy_drivers_unregister` can be called from any thread context.
+unsafe impl Send for Registration {}
+
impl Registration {
/// Registers a PHY driver.
pub fn register(
|
