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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 C4B40C11F66 for ; Wed, 14 Jul 2021 09:34:09 +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 87F846120A for ; Wed, 14 Jul 2021 09:34:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87F846120A 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]:42112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m3bHM-0007Cy-M0 for qemu-devel@archiver.kernel.org; Wed, 14 Jul 2021 05:34:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33698) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3bEA-0002b3-GF for qemu-devel@nongnu.org; Wed, 14 Jul 2021 05:30:50 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:42916) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3bE8-0000NS-LT for qemu-devel@nongnu.org; Wed, 14 Jul 2021 05:30:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626255048; 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=rnDWv663jkS5ErYisfrxZYRrGQTSxT0robFBkPw9a28=; b=UrThMkkUsC7cXxQ0tgjaf7nUg/UwHUqbzbSgNT6Ftdvo2hGXHCGWe9T+NjqkUG4PjpCUgB GU1gJxydG9DazpnHFJIuk+tvjLfu6wn/lLhTNBzaFr1h+D1+WhAG9cnyyAExeHOjPlcM/f gMx6/gpgn2Sf84Fqn3qducuKop/yoOY= 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-133-2NaE4WmrPYSfRkO0jNusiA-1; Wed, 14 Jul 2021 05:30:46 -0400 X-MC-Unique: 2NaE4WmrPYSfRkO0jNusiA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7143C1B18BC0 for ; Wed, 14 Jul 2021 09:30:45 +0000 (UTC) Received: from localhost (ovpn-112-200.ams2.redhat.com [10.36.112.200]) by smtp.corp.redhat.com (Postfix) with ESMTP id B91ED60871; Wed, 14 Jul 2021 09:30:34 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v3 3/3] vhost-user: warn when guest RAM is not shared Date: Wed, 14 Jul 2021 10:29:46 +0100 Message-Id: <20210714092946.569516-4-stefanha@redhat.com> In-Reply-To: <20210714092946.569516-1-stefanha@redhat.com> References: <20210714092946.569516-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 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: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.7, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=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: Laurent Vivier , kwolf@redhat.com, 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+ClJldmlld2Vk LWJ5OiBNYXJjLUFuZHLDqSBMdXJlYXUgPG1hcmNhbmRyZS5sdXJlYXVAcmVkaGF0LmNvbT4KU2ln bmVkLW9mZi1ieTogU3RlZmFuIEhham5vY3ppIDxzdGVmYW5oYUByZWRoYXQuY29tPgotLS0KIGh3 L3ZpcnRpby92aG9zdC11c2VyLmMgfCAyMCArKysrKysrKysrKysrKysrLS0tLQogMSBmaWxlIGNo YW5nZWQsIDE2IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvaHcv dmlydGlvL3Zob3N0LXVzZXIuYyBiL2h3L3ZpcnRpby92aG9zdC11c2VyLmMKaW5kZXggMjllYTJi NGZjZS4uMzk3ODI5MjUxNCAxMDA2NDQKLS0tIGEvaHcvdmlydGlvL3Zob3N0LXVzZXIuYworKysg Yi9ody92aXJ0aW8vdmhvc3QtdXNlci5jCkBAIC0yMjk1LDExICsyMjk1LDIzIEBAIHZob3N0X3Vz ZXJfY3J5cHRvX2Nsb3NlX3Nlc3Npb24oc3RydWN0IHZob3N0X2RldiAqZGV2LCB1aW50NjRfdCBz ZXNzaW9uX2lkKQogc3RhdGljIGJvb2wgdmhvc3RfdXNlcl9tZW1fc2VjdGlvbl9maWx0ZXIoc3Ry dWN0IHZob3N0X2RldiAqZGV2LAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgTWVtb3J5UmVnaW9uU2VjdGlvbiAqc2VjdGlvbikKIHsKLSAgICBib29sIHJlc3VsdDsK KyAgICAvKiBBbiBmZCBpcyByZXF1aXJlZCBzbyB3ZSBjYW4gcGFzcyBpdCB0byB0aGUgZGV2aWNl IGJhY2tlbmQgcHJvY2VzcyAqLworICAgIGlmIChtZW1vcnlfcmVnaW9uX2dldF9mZChzZWN0aW9u LT5tcikgPCAwKSB7CisgICAgICAgIHJldHVybiBmYWxzZTsKKyAgICB9CiAKLSAgICByZXN1bHQg PSBtZW1vcnlfcmVnaW9uX2dldF9mZChzZWN0aW9uLT5tcikgPj0gMDsKLQotICAgIHJldHVybiBy ZXN1bHQ7CisgICAgLyoKKyAgICAgKiBJdCBtdXN0IGJlIG1tYXAoTUFQX1NIQVJFRCkgc28gbWVt b3J5IHN0b3JlcyBmcm9tIHRoZSBkZXZpY2UgYmFja2VuZAorICAgICAqIHByb2Nlc3MgYXJlIHZp c2libGUgdG8gdXMgYW5kIHZpY2UgdmVyc2EuCisgICAgICovCisgICAgaWYgKCFtZW1vcnlfcmVn aW9uX2lzX21hcHBlZF9zaGFyZWQoc2VjdGlvbi0+bXIpKSB7CisgICAgICAgIHN0YXRpYyBib29s IHdhcm5lZDsKKyAgICAgICAgd2Fybl9yZXBvcnRfb25jZV9jb25kKCZ3YXJuZWQsICJGb3VuZCB2 aG9zdC11c2VyIG1lbW9yeSByZWdpb24gIgorICAgICAgICAgICAgICAgICJ3aXRob3V0IE1BUF9T SEFSRUQgKGRpZCB5b3UgZm9yZ2V0IC1vYmplY3QgIgorICAgICAgICAgICAgICAgICJtZW1vcnkt KixzaGFyZT1vbj8pIik7CisgICAgICAgIHJldHVybiBmYWxzZTsKKyAgICB9CisgICAgcmV0dXJu IHRydWU7CiB9CiAKIHN0YXRpYyBpbnQgdmhvc3RfdXNlcl9nZXRfaW5mbGlnaHRfZmQoc3RydWN0 IHZob3N0X2RldiAqZGV2LAotLSAKMi4zMS4xCgo=