From nobody Fri Dec 19 19:01:38 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A78E729B766; Fri, 7 Nov 2025 09:16:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762506984; cv=none; b=EKjX+mMrFvUyPggH+gsWRFOLxOO5BePrsAcw+dS7un0RwR2f/efoUmL84I5MZAV07p2HvcUKyJUHzU/IzR2xgDsYXULDLG/SxzndFMS/u9fAQfptjpu3ClO2UYwCg4ATFtRrfpkWcNJ4Hj5xivg6lku9fG2Ma9jJ18z3KX7pFu8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762506984; c=relaxed/simple; bh=UoVXo6tHQ4cj6zburWizTCb9MMH3tgvgojutIuhcmgw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=iBczASudgn+sPoItQFqpjapjhiTHFF85LVSnEkitpj07KBYAh88heaiO7xzn8hlP//EA6XL1X2vrOpSBZBoD6RWH/ZGvltIYieXTLZ5lIH4aXK/LZIAEtRKXO6OQf8iReXyBie7HOZwCLjCDVhDTwkMwCquB4ZQQG9l/bWbhPTs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Aq5iWyfO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Aq5iWyfO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A5FEC113D0; Fri, 7 Nov 2025 09:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762506984; bh=UoVXo6tHQ4cj6zburWizTCb9MMH3tgvgojutIuhcmgw=; h=From:To:Cc:Subject:Date:From; b=Aq5iWyfOvyqt3g3Otl1TKV+WSlmEBL52L4KhpuIYSa5amVJwSr+tUdtiKfRKP6u7k Y4v2Qo07UPWi+lcWa444zwQg4JB/97yjIpuLaF9JNGeys+R/rfzigW0dlCdHzJnd1z labdTroq+8paujj+uRG6uDqYopBSzEwF/0xesL0swxFDZJ5T7uiN3rvgABJb4M6nOp 6bv2bsT5HwuMDMua88Y1mQtDYifDwL6qXmf1xCMCdMZAsPCCLCpaiV9IGKI9awuatp zZc1giFGKE1rbbf0SiTGvcz9x9usadrlX59mN/QTZaClogzC4CMjm+80BcTF0GAbgv bSkL+n45+oP6g== From: Danilo Krummrich To: gregkh@linuxfoundation.org, rafael@kernel.org, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu Cc: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Danilo Krummrich , Stephen Rothwell Subject: [PATCH] rust: debugfs: Implement BinaryReader for Mutex only when T is Unpin Date: Fri, 7 Nov 2025 10:16:07 +0100 Message-ID: <20251107091612.2557480-1-dakr@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Commit da123f0ee40f ("rust: lock: guard: Add T: Unpin bound to DerefMut") from tip/master adds an Unpin bound to T for Mutex, hence also restrict the implementation of BinaryReader for Mutex accordingly. Reported-by: Stephen Rothwell Closes: https://lore.kernel.org/all/20251107134144.117905bd@canb.auug.org.a= u/ Signed-off-by: Danilo Krummrich Reviewed-by: Alice Ryhl --- rust/kernel/debugfs/traits.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust/kernel/debugfs/traits.rs b/rust/kernel/debugfs/traits.rs index 2c32ddf9826f..82441ac8adaa 100644 --- a/rust/kernel/debugfs/traits.rs +++ b/rust/kernel/debugfs/traits.rs @@ -257,7 +257,7 @@ fn read_from_slice( } =20 // Delegate for `Mutex`: Support a `T` with an outer `Mutex`. -impl BinaryReader for Mutex { +impl BinaryReader for Mutex { fn read_from_slice( &self, reader: &mut UserSliceReader, --=20 2.51.0