From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1AB8B26D4F7 for ; Sat, 7 Mar 2026 21:19:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772918350; cv=none; b=mRgrIhYTcBD/cpy+pB07SKrJp8j624wzHeR7i5pNMsUlBplgqgKzQU764zbR4tU57TfwddESm2E8yPNGJrQnERtFiVTEeJcHhBGvkHWuM1yGpVS0WPHd9vfaC5T/lBMj2RHbm0qB9gwhBT1p5PSs8tue3p80eL7PYU6GoZ5Iu4I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772918350; c=relaxed/simple; bh=Y3zExc2To8gm5Uokvv2lsc3X4xX3v+SfgtWbXGtWm9s=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=QkBfH97y4BflhrKbgPNvpVxyIR49SnRK2mQ1I/UYnqL+XeIFM0AmbjKuEQ69xhwKkfAyZ9WbtUb568WWYj2+u7LPdwFl6ai3u4FTeQ0yJapzllV6+FfN5RGQdvKS7KrMm9/IJmLXoQ4CcZ/wnMX7kaPmARUMq11vezajHiS/H34= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=A/roz6EM; arc=none smtp.client-ip=209.85.221.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="A/roz6EM" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-439b3011be7so4626606f8f.1 for ; Sat, 07 Mar 2026 13:19:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1772918347; x=1773523147; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=bXKay9MbLzhkCn+559OyyxJkN2o62vFz7U9PKE2/DIQ=; b=A/roz6EM2MtDLG3CP6UEkk9VxMsyfOhUAcdetF/3G5ChQ9V0MpJo9yOy94wPAAQVqM UqgiT/bpoMsTS2iO21QMgUC9OCM5Ah8qnaIILZP23xlVkXWV6Rsa0y5RmSrKbyg6vH4z ye0szfHUNBrmzC/ToZrjhbuFxioJgheFY7y4yASKXAxUaQ9Zn17IYYkdXVAc3KDQMLXq PExUmhIJqfXtDR/6RREVqoiEfT/l1d2MAQkcLcOTzlMbVyV6djafx+lhRb+zs2Y+Wssl AVgraTvNkTvIB6RsPpayMstXMJKImuXBNjXyv+jZy/BtAjS8Oa07/3R7pMO8UCzlIitH MK/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772918347; x=1773523147; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=bXKay9MbLzhkCn+559OyyxJkN2o62vFz7U9PKE2/DIQ=; b=Cutn1LaU9UjAFj0I+NBnaikn6pPBI5g8i5deQHETe3gUBA523y1x/Fx39sNbFpylQd DrWmH6A8q/Ng7ln69+zOUTL7SZn6A1jlMKGcvRWsApvkkRoZJzWCmkeIkGHvqB+pYu1o 1Iiz7yihz1mW9kUc4DfAhApUIvjPhktctJuJ/EpUNxEcF9q2HfkHhMBDv7X/CUd83Ilj QQwfs8Sa6NIe7jIY6+uEwkWu8cazsza/Emv+GwxNfL89/MYtMz/W4xsFgOZL1PfbjEev s3NxXKygZlA1u7S0pHZBp0BJFjD9vuDQyX2Wsruk0oyqxnlB+tpQAXkdPZldx0+fX/8j mNxA== X-Forwarded-Encrypted: i=1; AJvYcCXlH4rcAc0NkMeGh3lReMZ41jtHeB+TfbZMvGTkZY/sC2eg/XiMEIQPzhOfTsf6ATwjshXpMBHGodekPjQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxHUAIJ31J0tyVSjwDanRrSGHDAehCg4FVxcxdI73aHgDFkiOHi V6aIZ8rconlCA58qvf6eB3ZYvWH/x0soKd6nlBkJ0FXaNrIHvl74lJPwzg5lZulGIe7et18+Dgh IuXEjuOdHvT7Mco5y3Q== X-Received: from wrai9.prod.google.com ([2002:a5d:5229:0:b0:439:c5a3:f5a8]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:186b:b0:439:c040:cc8a with SMTP id ffacd0b85a97d-439da35f6acmr11648580f8f.32.1772918347381; Sat, 07 Mar 2026 13:19:07 -0800 (PST) Date: Sat, 7 Mar 2026 21:19:06 +0000 In-Reply-To: <20260307104131.4c1d0de5@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260306-binder-netlink-v1-0-daceb5bc83f2@google.com> <20260307104131.4c1d0de5@kernel.org> Message-ID: Subject: Re: [PATCH 0/4] Rust netlink support + use in Rust Binder From: Alice Ryhl To: Jakub Kicinski Cc: Miguel Ojeda , Boqun Feng , Gary Guo , "=?utf-8?B?QmrDtnJu?= Roy Baron" , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , Donald Hunter , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Greg Kroah-Hartman , "Arve =?utf-8?B?SGrDuG5uZXbDpWc=?=" , Todd Kjos , Christian Brauner , Carlos Llamas , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, netdev@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Sat, Mar 07, 2026 at 10:41:31AM -0800, Jakub Kicinski wrote: > On Fri, 06 Mar 2026 15:12:12 +0000 Alice Ryhl wrote: > > The C Binder driver exposes messages over netlink when transactions > > fail, so that a userpace daemon can respond to processes with many > > failing transactions. > > Ugh, now I regret letting binder use Netlink. Should have seen this > coming :/ To be honest, I'm not entirely happy with what Binder is using netlink for either, but it is what it is. > > This patch series adds netlink support from Rust, then implements an > > equivalent API in Rust Binder. > > > > As Binder only uses broadcast messages, I did not add support for other > > kinds of messages. > > Please no duplication of existing code in Rust. The plan is certainly to get rid of C Binder, but it was unfortunately not possible to get there without a transition period. Alice