From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3C95C43387 for ; Wed, 9 Jan 2019 08:31:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 98D0721726 for ; Wed, 9 Jan 2019 08:31:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547022673; bh=HZnZ0MPUP117Czzg6MB2ETn5M0DJbPYIPT8d5NLZq6g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=BHyV8LGiGLb40Ir1r3euY8iEzJz3zHYwGoFuIzKjJaRSKhDPb9aBkTZG1XvF23ERp zOLU6gB4vX/KQzL9n+Dm3XccySjxtS5Yj1lh8FbLf82JtnvZfenLv4n+jsJMGhiHA2 UXEENdBm6MqOMNqUaaTJqAIyVTjVs17KUVah2b7g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729883AbfAIIbM (ORCPT ); Wed, 9 Jan 2019 03:31:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:43744 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729141AbfAIIbM (ORCPT ); Wed, 9 Jan 2019 03:31:12 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 61FE220821; Wed, 9 Jan 2019 08:31:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547022671; bh=HZnZ0MPUP117Czzg6MB2ETn5M0DJbPYIPT8d5NLZq6g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GFF7V/Z8oVW2Btv3pLNUbbBP4u+X0fKYVkToOoVFYFlv400jzOBaR5xNMT6gQqCiJ KDIS1oOoAStavcjSPYrTi99jxkXsSvlnYVeRK48nXXMu6ez6MFrjlJ9wEaZrHpxZg0 Zp35MEdZXv87+gsjBCXRPLE4mz8SF64gQQpiG0R0= Date: Wed, 9 Jan 2019 09:31:09 +0100 From: Greg KH To: rkir@google.com Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/3] drivers: platform: goldfish: goldfish_address_space: add a driver Message-ID: <20190109083109.GA24501@kroah.com> References: <20190109021112.5836-1-rkir@google.com> <20190109021112.5836-2-rkir@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190109021112.5836-2-rkir@google.com> User-Agent: Mutt/1.11.2 (2019-01-07) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 08, 2019 at 06:11:11PM -0800, rkir@google.com wrote: > From: Roman Kiryanov > > A driver for the Goldfish Android emulator that occupies > address space to use it with the memory sharing device > on the QEMU side. The memory sharding device allocates > subranges and populate them with actual RAM. > This allows sharing host's memory with the guest. > Do you have a pointer to the QEMU commit that matches up with the device that this driver is supposed to be supporting? That would help in trying to review the code to determine exactly what this driver is doing and why the existing memory driver does not work well enough for you (hint, you didn't say why you need this...) thanks, greg k-h