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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 78D46C352A3 for ; Thu, 13 Feb 2020 21:28:44 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 482CF20848 for ; Thu, 13 Feb 2020 21:28:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="vpaNfRU8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 482CF20848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j2M27-0000ZC-Bb; Thu, 13 Feb 2020 21:28:27 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j2M25-0000Z7-Qc for xen-devel@lists.xenproject.org; Thu, 13 Feb 2020 21:28:25 +0000 X-Inumbo-ID: c3e59c47-4ea7-11ea-b960-12813bfff9fa Received: from mail.kernel.org (unknown [198.145.29.99]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id c3e59c47-4ea7-11ea-b960-12813bfff9fa; Thu, 13 Feb 2020 21:28:25 +0000 (UTC) Received: from localhost (c-67-164-102-47.hsd1.ca.comcast.net [67.164.102.47]) (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 2C7B220848; Thu, 13 Feb 2020 21:28:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581629304; bh=dQ9AcyKBRod6MZ1H5m/OvNlhH/Ws6YLXw96bRPjr31E=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=vpaNfRU8DWDOHaOl6oRRO5kL60Q6zVM9OwqgTw1GBJXjZbdUf287sv81LQIDB4ApO LK9ob9EGRxnWVpL/q0ziq8OkftG3nXHnWQ3k6m+1spCaUqWKQ8MetjE668iOgTP3lV m/mut8hN6Ox5MGDEs/VaUe3Gc+15XZfjTDdpbIk8= Date: Thu, 13 Feb 2020 13:28:23 -0800 (PST) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-T480s To: Andrei Cherechesu In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Subject: Re: [Xen-devel] Having a DOM-U guest with 1:1 mapping in the second stage MMU. X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-devel@lists.xenproject.org" , Stefano Stabellini , Julien Grall Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVGh1LCAxMyBGZWIgMjAyMCwgQW5kcmVpIENoZXJlY2hlc3Ugd3JvdGU6Cj4gSGVsbG8sCj4g Cj4gSSB1c2VkIHRoZSBYZW4gZnJvbSBTdGVmYW5vJ3MgdHJlZSBhbmQgbWFkZSB0aGUgdXBkYXRl cyB0byB0aGUgcGFydGlhbAo+IGR0YiB0aGF0IGhlIHNwZWNpZmllZC4KPiAKPiA+IFRoaXMgaXMg bW9zdGx5IGxpa2VseSBiZWNhdXNlIExpbnV4IGlzIHRyeWluZyB0byBhY2Nlc3MgYSByZWdpb24K PiA+IHRoYXQgaXMgbm90IG1hcHBlZCBpbiBzdGFnZS0yLiBZb3UgY2FuIHJlYnVpbGQgWGVuIHdp dGggZGVidWcgZW5hYmxlZAo+ID4gYW5kIHlvdSBzaG91bGQgc2VlIGEgbWVzc2FnZSAidHJhcHMu YzouLi4iIHRlbGxpbmcgdGhlIGV4YWN0IHBoeXNpY2FsCj4gPiBhZGRyZXNzIGFjY2Vzc2VkLgo+ ID4gCj4gPiBJbiBnZW5lcmFsIEkgd291bGQgcmVjb21tZW5kIHRvIGJ1aWxkIFhlbiB3aXRoIGRl YnVnIGVuYWJsZWQgZHVyaW5nIGRldmVsb3BtZW50IGFzIHRoZSBoeXBlcnZpc29yIHdpbGwgZ2l2 ZSB5b3UgbW9yZSBpbmZvcm1hdGlvbiBvZiB3aGF0J3MgZ29pbmcgb24uCj4gPiAKPiA+IENoZWVy cywKPiA+IAo+ID4gLS0KPiA+IEp1bGllbiBHcmFsbAo+IAo+IEkgZW5hYmxlZCBkZWJ1ZyBjb25m aWcgYW5kIGdhdmUgaXQgYW5vdGhlciB0cnkuIEJ1dCBJJ20gc3RpbGwKPiBnZXR0aW5nIHRoZSBz YW1lIHVuaGFuZGxlZCBmYXVsdCBlcnJvciwgdGhhdCBzZWVtcyB0byBtYXRjaCB3aGF0Cj4gSnVs aWVuIGRlc2NyaWJlZCBhYm92ZS4KPiAKPiBJdCBpcyBpbmRlZWQgYSBzdGFnZS0yIGFib3J0IGNh dXNlZCBieSB0aGUgZ3Vlc3QuCj4gCj4gSSBhdHRhY2hlZCB0aGUgRG9tVTEgY3Jhc2ggbG9nIGF0 IFswXS4KPiAKPiBbMF0gaHR0cHM6Ly9wYXN0ZWJpbi5jb20vQlNIVkZRaUsKPiAKPiBIb3cgc2hv dWxkIEkgcHJvY2VlZCBpbiB0aGlzIGNhc2U/CgpMb29raW5nIGF0IHRoZSBsb2dzLCB5b3UgY2Fu IHNlZToKCihYRU4pIHRyYXBzLmM6MTk3MzpkMXYwIEhTUj0weDkzOWYwMDQ2IHBjPTB4ZmZmZmZm ODAwODNhYzg2NCBndmE9MHhmZmZmZmY4MDA4MDBkMDQ4IGdwYT0weDAwMDAwMDQwMmYwMDQ4CgpT byB0aGUgZ3Vlc3Qgd2FzIGFjY2Vzc2luZyBhZGRyZXNzIDB4NDAyZjAwNDgsIGhvd2V2ZXIsIHRo ZSBNTUlPIGFkZHJlc3MKcmFuZ2Ugb2YgdGhlIGRldmljZSB0aGF0IHlvdSBhcmUgcmVtYXBwaW5n IChsb29raW5nIGF0Cmh0dHBzOi8vcGFzdGViaW4uY29tL2owTlM0eDVaKSBpcyAweDQwMDJmMDAw LTB4NDAwMzAwMDAuCgpJIHNwb3R0ZWQgdGhlIG1pc3Rha2Ugbm93OiBsb29raW5nIGF0IHRoZSBw YXJ0aWFsIERUQiBhZ2FpbiwgdGhlCmFkZHJlc3Mgb2YgdGhlIGRldmljZSBpczoKCiAgcmVnID0g PDB4MCAweDQwMmYwMDAwIDB4MTAwMD47CgpidXQgdGhlIGFkZHJlc3MgdGhhdCB5b3UgYXJlIHJl bWFwcGluZyBpczoKCiAgeGVuLHJlZyA9IDwweDAgMHg0MDAyZjAwMCAweDEwMDAgMHgwIDB4NDAw MmYwMDA+OwoKVGhleSBhcmUgbm90IHRoZSBzYW1lISA6LSkKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFp bG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=