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=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS 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 855F9C433DB for ; Mon, 22 Feb 2021 16:14:06 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 0E72D64E61 for ; Mon, 22 Feb 2021 16:14:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E72D64E61 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33098 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lEDqX-0004Tm-2r for qemu-devel@archiver.kernel.org; Mon, 22 Feb 2021 11:14:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51982) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lEDnu-0002hT-Td for qemu-devel@nongnu.org; Mon, 22 Feb 2021 11:11:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:33016) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lEDnp-0002C3-0v for qemu-devel@nongnu.org; Mon, 22 Feb 2021 11:11:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614010276; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VpyhnN1NebAljP7wiEMoaKfZAgDCBNT0cY/9U2rhBlo=; b=JTNpr04/otSny/peK7vjNbyYq/CXkvF7JBED+qkG5PKir39ScWxAk+vhsgkOrCS6G/bgIF QcQAF0Fwizfm1rxc/LWaTjvmkGGSGxwTg1BMNQkOeaSCbwhBaoW7rjBpqdHtzS5OEKnM9C 7crVTKoywyrs/A9ozh2eNi1nhILcdvg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-177-c2ioTXnHOdOE8TUOSpNPcg-1; Mon, 22 Feb 2021 11:11:14 -0500 X-MC-Unique: c2ioTXnHOdOE8TUOSpNPcg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 16F0C100CCC8 for ; Mon, 22 Feb 2021 16:11:03 +0000 (UTC) Received: from localhost (ovpn-112-255.ams2.redhat.com [10.36.112.255]) by smtp.corp.redhat.com (Postfix) with ESMTP id B24491045D3B; Mon, 22 Feb 2021 16:11:01 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 3/3] vhost-user: warn when guest RAM is not shared Date: Mon, 22 Feb 2021 16:10:17 +0000 Message-Id: <20210222161017.570837-4-stefanha@redhat.com> In-Reply-To: <20210222161017.570837-1-stefanha@redhat.com> References: <20210222161017.570837-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, Laurent Vivier , Thomas Huth , "Michael S. Tsirkin" , Stefan Hajnoczi , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" TWVtb3J5IHJlZ2lvbnMgbXVzdCBiZSBtbWFwKE1BUF9TSEFSRUQpIHNvIHRoYXQgbW9kaWZpY2F0 aW9ucyBtYWRlIGJ5CnRoZSB2aG9zdCBkZXZpY2UgYmFja2VuZCBwcm9jZXNzIGFyZSB2aXNpYmxl IHRvIFFFTVUgYW5kIHZpY2UgdmVyc2EuIFVzZQp0aGUgbmV3IG1lbW9yeV9yZWdpb25faXNfbWFw cGVkX3NoYXJlZCgpIGZ1bmN0aW9uIHRvIGNoZWNrIHRoaXMgYW5kCnByaW50IGEgd2FybmluZyBp ZiBndWVzdCBSQU0gaXMgbm90IHNoYXJlZDoKCiAgcWVtdS1zeXN0ZW0teDg2XzY0OiAtZGV2aWNl IHZob3N0LXVzZXItZnMtcGNpLGNoYXJkZXY9Y2hhcjAsdGFnPW15ZnM6IHdhcm5pbmc6IEZvdW5k IHZob3N0LXVzZXIgbWVtb3J5IHJlZ2lvbiB3aXRob3V0IE1BUF9TSEFSRUQgKGRpZCB5b3UgZm9y Z2V0IC1vYmplY3QgbWVtb3J5LSosc2hhcmU9b24/KQogIHFlbXUtc3lzdGVtLXg4Nl82NDogRmFp bGVkIHRvIHJlYWQgZnJvbSBzbGF2ZS4KClRoaXMgd2FybmluZyBtYWtlcyBpdCBjbGVhciB0aGF0 IG1lbW9yeSBuZWVkcyB0byBiZSBjb25maWd1cmVkIHdpdGgKc2hhcmU9b24uIFdpdGhvdXQgdGhp cyBwYXRjaCB0aGUgdmhvc3QgZGV2aWNlIGlzIGluaXRpYWxpemVkIGFuZCB0aGUKZGV2aWNlIGZh aWxzIHdpdGggdmFndWUgZXJyb3IgbWVzc2FnZXMgY2F1c2VkIGJ5IGluY29uc2lzdGVudCBtZW1v cnkKdmlld3MuIFRoZSB3YXJuaW5nIHNob3VsZCBtYWtlIGl0IGVhc2llciB0byB0cm91Ymxlc2hv b3QgUUVNVQpjb21tYW5kLWxpbmVzIHRoYXQgbGFjayBzaGFyZT1vbiBtZW1vcnkuCgpJIGNvdWxk bid0IGZpZ3VyZSBvdXQgaG93IHRvIG1ha2UgdGhpcyBhIHZob3N0X2Rldl9pbml0KCkgZXJyb3Is IGJlY2F1c2UKbWVtb3J5IHJlZ2lvbnMgYXJlbid0IG5lY2Vzc2FyaWx5IGZpbmFsIHdoZW4gaXQg aXMgY2FsbGVkLiBBbHNvLCBob3RwbHVnCmNhbiBhZGQgbWVtb3J5IHJlZ2lvbnMgd2l0aG91dCBN QVBfU0hBUkVEIGluIHRoZSBmdXR1cmUsIHNvIHdlIHN0aWxsCm5lZWQgdG8gd2FybiBhYm91dCB0 aGF0LgoKUmVwb3J0ZWQtYnk6IEtldmluIFdvbGYgPGt3b2xmQHJlZGhhdC5jb20+ClNpZ25lZC1v ZmYtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0LmNvbT4KLS0tCiBody92aXJ0 aW8vdmhvc3QtdXNlci5jIHwgMjAgKysrKysrKysrKysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2Vk LCAxNiBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2h3L3ZpcnRp by92aG9zdC11c2VyLmMgYi9ody92aXJ0aW8vdmhvc3QtdXNlci5jCmluZGV4IDJmZGQ1ZGFmNzQu LjE3YzJmYjgxYmUgMTAwNjQ0Ci0tLSBhL2h3L3ZpcnRpby92aG9zdC11c2VyLmMKKysrIGIvaHcv dmlydGlvL3Zob3N0LXVzZXIuYwpAQCAtMjIyMywxMSArMjIyMywyMyBAQCB2aG9zdF91c2VyX2Ny eXB0b19jbG9zZV9zZXNzaW9uKHN0cnVjdCB2aG9zdF9kZXYgKmRldiwgdWludDY0X3Qgc2Vzc2lv bl9pZCkKIHN0YXRpYyBib29sIHZob3N0X3VzZXJfbWVtX3NlY3Rpb25fZmlsdGVyKHN0cnVjdCB2 aG9zdF9kZXYgKmRldiwKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IE1lbW9yeVJlZ2lvblNlY3Rpb24gKnNlY3Rpb24pCiB7Ci0gICAgYm9vbCByZXN1bHQ7CisgICAg LyogQW4gZmQgaXMgcmVxdWlyZWQgc28gd2UgY2FuIHBhc3MgaXQgdG8gdGhlIGRldmljZSBiYWNr ZW5kIHByb2Nlc3MgKi8KKyAgICBpZiAobWVtb3J5X3JlZ2lvbl9nZXRfZmQoc2VjdGlvbi0+bXIp IDwgMCkgeworICAgICAgICByZXR1cm4gZmFsc2U7CisgICAgfQogCi0gICAgcmVzdWx0ID0gbWVt b3J5X3JlZ2lvbl9nZXRfZmQoc2VjdGlvbi0+bXIpID49IDA7Ci0KLSAgICByZXR1cm4gcmVzdWx0 OworICAgIC8qCisgICAgICogSXQgbXVzdCBiZSBtbWFwKE1BUF9TSEFSRUQpIHNvIG1lbW9yeSBz dG9yZXMgZnJvbSB0aGUgZGV2aWNlIGJhY2tlbmQKKyAgICAgKiBwcm9jZXNzIGFyZSB2aXNpYmxl IHRvIHVzIGFuZCB2aWNlIHZlcnNhLgorICAgICAqLworICAgIGlmICghbWVtb3J5X3JlZ2lvbl9p c19tYXBwZWRfc2hhcmVkKHNlY3Rpb24tPm1yKSkgeworICAgICAgICBzdGF0aWMgYm9vbCB3YXJu ZWQ7CisgICAgICAgIHdhcm5fcmVwb3J0X29uY2VfY29uZCgmd2FybmVkLCAiRm91bmQgdmhvc3Qt dXNlciBtZW1vcnkgcmVnaW9uICIKKyAgICAgICAgICAgICAgICAid2l0aG91dCBNQVBfU0hBUkVE IChkaWQgeW91IGZvcmdldCAtb2JqZWN0ICIKKyAgICAgICAgICAgICAgICAibWVtb3J5LSosc2hh cmU9b24/KSIpOworICAgICAgICByZXR1cm4gZmFsc2U7CisgICAgfQorICAgIHJldHVybiB0cnVl OwogfQogCiBzdGF0aWMgaW50IHZob3N0X3VzZXJfZ2V0X2luZmxpZ2h0X2ZkKHN0cnVjdCB2aG9z dF9kZXYgKmRldiwKLS0gCjIuMjkuMgoK