From nobody Sun Feb 8 01:33:50 2026 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 8F12030CD8F; Tue, 20 Jan 2026 21:13:32 +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=1768943612; cv=none; b=Z81KJCFc/hUH9OXYd0VIE+0sghWdktUb9HmBPe7aFHKtzd7v+8XF4Tdahrats+ZLsOjDQpUYHyAO7C0dbHZK5NoP8DcIE4siOT9K5rhfHUd7TcNNLms6RBbVqOfqL3bbz5DsV4gEB0I63E7MPDNWw+3CNc7yDrLLILQ2DtF829M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768943612; c=relaxed/simple; bh=QaPqJL6l3PJxwwQDaIxKNSe8mIzi+rwNhFz/apY0zxo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=A3NVln7aAti5hPRHE2zNhv7whegh1wF1cpjxWxGiHHE4kILelu2tzgg9ts6PY2b4QFhVq0Hmd0Dm1KqoDN9voxem/iKhjx746TcbAv+N0qkja2s021NxjAAR3lP2JYm8ui6/7rQ5W5o84Xm6kEhNiTTINnsZUBCfcINuy7Vvug8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Uj2UI0oV; 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="Uj2UI0oV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26FD9C16AAE; Tue, 20 Jan 2026 21:13:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768943612; bh=QaPqJL6l3PJxwwQDaIxKNSe8mIzi+rwNhFz/apY0zxo=; h=From:Date:Subject:To:Cc:From; b=Uj2UI0oVrJ+PbmzMht37EGXnW3uagNu8MQDBxUNJLl+sgVERGg7Y1H1usFpCbwsZX Q97ixNW70a85pu+14Rv/EKHBhg11StRpSnVwkt5cowA9IjfZQWyeZg9SQs3VFOWTg3 lE6ruXQyK2AqyelC89VcW48lsL2VofVcHYJjqWieYp9g/UQpoTPrBvUnE9HF6LbTwW H+vzQKTUcuXRvhe1HXT/DW/acLlAYHdgLQHQ7JyIXTa6ZFF6a13l6NNVZrNuLqKsq2 s8UhRO920Mycn+tOO+vivWIh0j/8g0KkVW7r0JNmz/05l2hJS3XRypaNPQPa6vlX8F 1uZfNpSJ/XEfQ== From: Tamir Duberstein Date: Tue, 20 Jan 2026 16:13:19 -0500 Subject: [PATCH] rust: sync: replace `kernel::c_str!` with C-Strings Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260120-cstr-sync-again-v1-1-2a775a2a36fd@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXMQQ7CIBBA0auQWTsJEJXQqzQuEEYcF9gwrdEQ7 i7V5Vv830CoMglMqkGlFws/y4A5KIj3UDIhp2Gw2p61sRqjrBXlUyKGHLjgyRub3NF5rz2Maql 04/fvOF/+lu36oLjuG+j9C+JhDC9zAAAA X-Change-ID: 20260120-cstr-sync-again-5912d7479909 To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Tamir Duberstein X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openssh-sha256; t=1768943609; l=1385; i=tamird@kernel.org; h=from:subject:message-id; bh=QaPqJL6l3PJxwwQDaIxKNSe8mIzi+rwNhFz/apY0zxo=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgtYz36g7iDMSkY5K7Ab51ksGX7hJgs MRt+XVZTrIzMVIAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QKAxjYsezEb0D8kH/oTlrvBSJ8Zff/9FN5Rjqf9brPZ5oFrvDY74SkRWQiztni7S3CXw9CGaRJn w8wbD9bE23gE= X-Developer-Key: i=tamird@kernel.org; a=openssh; fpr=SHA256:264rPmnnrb+ERkS7DDS3tuwqcJss/zevJRzoylqMsbc C-String literals were added in Rust 1.77. Replace instances of `kernel::c_str!` with C-String literals where possible. Signed-off-by: Tamir Duberstein Reviewed-by: Boqun Feng Reviewed-by: Gary Guo --- This is the same as my earlier change[0] but applies to additional code[1] which didn't make it to mainline in a timely manner and is now queued for v7.0. Link: https://lore.kernel.org/all/20251117-core-cstr-cstrings-v4-1-924886ad= 9f75@gmail.com/ [0] Link: https://lore.kernel.org/all/20250811-lock-class-key-cleanup-v3-2-b129= 67ee1ca2@google.com/ [1] --- rust/kernel/sync.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/rust/kernel/sync.rs b/rust/kernel/sync.rs index b10e576221ff..993dbf2caa0e 100644 --- a/rust/kernel/sync.rs +++ b/rust/kernel/sync.rs @@ -126,13 +126,12 @@ fn drop(self: Pin<&mut Self>) { /// # Examples /// /// ``` -/// use kernel::c_str; /// use kernel::sync::{static_lock_class, Arc, SpinLock}; /// /// fn new_locked_int() -> Result>> { /// Arc::pin_init(SpinLock::new( /// 42, -/// c_str!("new_locked_int"), +/// c"new_locked_int", /// static_lock_class!(), /// ), GFP_KERNEL) /// } --- base-commit: d08c85ac8894995d4b0d8fb48d2f6a3e53cd79ab change-id: 20260120-cstr-sync-again-5912d7479909 Best regards, -- =20 Tamir Duberstein