From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.w14.tutanota.de (mail.w14.tutanota.de [185.205.69.214]) (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 7FE703168EE for ; Sat, 15 Aug 2026 14:56:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.205.69.214 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786805773; cv=none; b=VXQvwnlXMREZQoAXKIZKjR6lYF8h9FmSu+yI9wkgFqeldy67Des9Ev/kzz3RICKJO2Ra1MlllkF06I8rMdciijlCfL+stzsxyCB1jd9OI4YPa5AxIutd2atiVz68xVmSKPOfhAXUooYeDAEuop1OP8Sj/YI4JwO6iCYrBZycAb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786805773; c=relaxed/simple; bh=MCgyTApuWEpPfzipyyNLwQwH2m4XFsu9VAQ0gyHhjjo=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: MIME-Version:Content-Type; b=phlKwZydfvmsgw67cS1eXJS7B1ZDKQvWWE4eiaKdnXYgjpbFXUwSFIUQgBkoRnH+XBimweaRQ/zPol72dyGUVFuAcUT8zAXsshgQMUQgGwKYFc7uTnGXJomQDoUFPfoV6xaFAmobuEYmzUcmcaLSx4ACbkVuMZ04+07Jrr8iJes= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=younes.io; spf=pass smtp.mailfrom=younes.io; dkim=pass (2048-bit key) header.d=younes.io header.i=@younes.io header.b=hkoV14qC; arc=none smtp.client-ip=185.205.69.214 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=younes.io Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=younes.io Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=younes.io header.i=@younes.io header.b="hkoV14qC" Received: from tutadb.w10.tutanota.de (w10.api.tuta.com [IPv6:fd:ac::d:10]) by mail.w14.tutanota.de (Postfix) with ESMTP id 875FC172857A9 for ; Sat, 15 Aug 2026 16:56:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1786805765; s=s1; d=younes.io; h=From:From:To:To:Subject:Subject:Content-Description:Content-ID:Content-Type:Content-Type:Content-Transfer-Encoding:Content-Transfer-Encoding:Cc:Cc:Date:Date:In-Reply-To:In-Reply-To:MIME-Version:MIME-Version:Message-ID:Message-ID:Reply-To:References:References:Sender; bh=MCgyTApuWEpPfzipyyNLwQwH2m4XFsu9VAQ0gyHhjjo=; b=hkoV14qCa+WaJvSDgHHl0niySWxtjFSiLKthr/fJM+T9wZHcfv4msx6tRavfffLw cJduKbwZ1QvpbjBrF6d+Fk7hM17WZlJlC0BHv/9AHdgM17xKyKb7n68KLjcFEVFHP2n 1YCchXudOEhSFa8Zy3WYrkO4ctJzq7XZBIeWgmP8ReZroe1AFmFztWfG2d+mmYuYOyu 58kXxBGtojlPjICGKORvyslBKxj4Z9ZzmfeK9yn3P9KmsSemy6yBvQ7rghzP5vFsE4B UCdIdzsF0Isxk/JWeTjdtYBFpoQTocm/maz7dmU1/AMD3jW83Nw778oiKYTXNusnLVu y5nT7AovkA== Date: Sat, 15 Aug 2026 16:56:05 +0200 (CEST) From: Younes Akhouayri To: Miguel Ojeda Cc: Alexandre Courbot , Yury Norov , Miguel Ojeda , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , =?UTF-8?Q?Onur_=C3=96zkan?= , Rust For Linux , Stable , Younes Akhouayri Message-ID: In-Reply-To: References: <20260815-fix-rust-bounded-from-bool-submit-v1-1-882227bf40ba@younes.io> Subject: Re: [PATCH] rust: num: reject bool conversion to signed one-bit Bounded Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Feedback-ID: 017a4576e383ca5e4eccfa1f2259bb19c2dec03584c01d38b9d90ddf5151b20911e3d9ef144c55bbe3dc4f7ace3695f8c3:TurnOnPrivacy!:tutamail I tested this in a Linux Docker container with Rust 1.85.0 and two CPUs, alternating 50 builds of `rust/kernel.o` for the parent and v1. The difference was 1.16 ms (0.066%), similar to the identical-source control at 0.96 ms. So I could not measure a clear slowdown from the patch. Thanks, Younes