From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zytor.com (terminus.zytor.com [198.137.202.136]) (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 02F0A1A700 for ; Fri, 12 Jan 2024 23:54:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zytor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zytor.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=zytor.com header.i=@zytor.com header.b="ne+qwFOf" Received: from [127.0.0.1] ([76.133.66.138]) (authenticated bits=0) by mail.zytor.com (8.17.2/8.17.1) with ESMTPSA id 40CNrvsx789459 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 12 Jan 2024 15:53:58 -0800 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com 40CNrvsx789459 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2023121201; t=1705103638; bh=gH4soseRQx7ypeoG3GSm/+9iCRgHKMfoyURA2wVuEl0=; h=Date:From:To:CC:Subject:In-Reply-To:References:From; b=ne+qwFOfd4yOghEBim5JYmqONoRT6X2IQDh9ICseBbmtg4HhZEn9xEZ8Ty/5i+4GT fCoY3oHZRtJw+6cq3uVvoHYwShxRxePHkFi4+ojJg4I1+YSQ9RAzSlsBjwDCl3M74w obrZME5v7Sx8S1/e7pPKDEHuw/kbUgJ64/WZ/7tqebaE9ZeF6pFJ+aFs9UYRF8KqQl CKRmyYx0zLwJTfqhN9rzyXXGNvcqPOZu3ehM9bPhfOdkNplDkTePGU396dmkhwxOei HfnjwWZ+Sp61X4Zy0EB/0ecppwXMKY8o25bYaW5dqjN4burA/PRFD82Q45QyOWNb6F r8sMjnJvloLYA== Date: Fri, 12 Jan 2024 15:53:56 -0800 From: "H. Peter Anvin" To: David Howells CC: dhowells@redhat.com, linux-kernel@vger.kernel.org, pinskia@gmail.com Subject: Re: [PATCH 00/45] C++: Convert the kernel to C++ User-Agent: K-9 Mail for Android In-Reply-To: <2153666.1705049523@warthog.procyon.org.uk> References: <49231a98-d39f-4920-8d9f-e60aa014f518@zytor.com> <152261521484.30503.16131389653845029164.stgit@warthog.procyon.org.uk> <3465e0c6-f5b2-4c42-95eb-29361481f805@zytor.com> <2153666.1705049523@warthog.procyon.org.uk> Message-ID: <2604C18A-4DF1-443B-9A31-F52666C80BE0@zytor.com> 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 On January 12, 2024 12:52:03 AM PST, David Howells = wrote: >H=2E Peter Anvin wrote: > >> One thing I forgot to mention that would be quite useful is careful use= of >> namespaces=2E > >Just be aware that the use of namespaces would make the kernel image bigg= er if >symbols are included=2E > >David > If we can leverage data compression it probably would be a lot of space du= e to the highly repetitive nature of most symbols=2E To allow for random ac= cess that requires a bit of sophistication, but nothing that couldn't be so= lved=2E