From nobody Thu Apr 3 12:22:18 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail header.i=@fujitsu.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1741156064; cv=none; d=zohomail.com; s=zohoarc; b=WflYdRne2kk+pvNdpQ84QnTn6XDkwTUZyxC1vAWo7N/TmaIMsr7KJaG8/hgN0rxj0q7PceUpK2eTW9hTxAgTunSW1RUOOB7H258403qIkz0qiq6SIpAwCMlGKQ4iTiSQgKLT/J6IX5NHCIn9aE32UoGg3cNismdE1ZMfD9315gI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741156064; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=SiIMqhvqWJelK2UJFOlZb5PKPT4tvof2y/OrWyuk64U=; b=TmjCpULIWk0c2r+V2XHq2c6u6x8P+u2zjUG9G3pbg5P4YneCbMcu4nRdsez1c8H2PpuP3Ek9fWmLSpb/SKRXixwagHov83n9cXEeuhYxbkRyZGRcDgwOTzEGyO68LyCccuGhkbj2A99BPIGZRgvihjQKXj5l3TMcQfPv7aRXO9g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail header.i=@fujitsu.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1741156064386118.87313838152204; Tue, 4 Mar 2025 22:27:44 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpiDo-0002Ft-A2; Wed, 05 Mar 2025 01:27:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tpiDd-0002E8-JX for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:27:04 -0500 Received: from esa10.hc1455-7.c3s2.iphmx.com ([139.138.36.225]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tpiDa-0007eu-VR for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:27:00 -0500 Received: from unknown (HELO oym-r1.gw.nic.fujitsu.com) ([210.162.30.89]) by esa10.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 15:26:54 +0900 Received: from oym-m2.gw.nic.fujitsu.com (oym-nat-oym-m2.gw.nic.fujitsu.com [192.168.87.59]) by oym-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id 7E25CD4809 for ; Wed, 5 Mar 2025 15:26:52 +0900 (JST) Received: from edo.cn.fujitsu.com (edo.cn.fujitsu.com [10.167.33.5]) by oym-m2.gw.nic.fujitsu.com (Postfix) with ESMTP id 40C65BDB65 for ; Wed, 5 Mar 2025 15:26:52 +0900 (JST) Received: from iaas-rdma.. (unknown [10.167.135.44]) by edo.cn.fujitsu.com (Postfix) with ESMTP id 890741A009A; Wed, 5 Mar 2025 14:26:51 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj2; t=1741156019; x=1772692019; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pkZwIs9/cYDv5hTZNoRRBNEigCZj1TZSZF90ccJyt/Q=; b=MGUHimjW/vRbOdLkqk7p/f1X5sf/XdBV74THI6ScZQfiA7ueO3tVrpd2 VHTQsq4RbqVvwHoaCEFULTGhqz6Frg4wQQIujtZB89B9CjXVXaFy2gBRe JS3MCkog0aCl4OdjaxpiU7GvbCUAnkYApHagsSvRCynmOSypFt56ppWJC w7zTUCbBf+7izcgyz2IWqGrThwer911zojKmK7MImVozlqVH9J56VnLRg v6t08sI0cCYpwhJzXN8s+zYzJM4AmfmTPzsPcmCSjfl1zwhszx5+mTpaJ YQbC0BEtX6ItfBs7C8xopqyKOftPpqR4EWUp9sPthwSCz2i2Zz6TENHFR Q==; X-CSE-ConnectionGUID: iQ9hm4bXRLips5PQdYqqyA== X-CSE-MsgGUID: YRMDLhg8TzGEF/XPg6BWLw== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="179366760" X-IronPort-AV: E=Sophos;i="6.14,222,1736780400"; d="scan'208";a="179366760" To: qemu-devel@nongnu.org Cc: Peter Xu , Fabiano Rosas , Laurent Vivier , Paolo Bonzini , Li Zhijian Subject: [PATCH v5 3/6] migration: disable RDMA + postcopy-ram Date: Wed, 5 Mar 2025 14:28:22 +0800 Message-ID: <20250305062825.772629-4-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20250305062825.772629-1-lizhijian@fujitsu.com> References: <20250305062825.772629-1-lizhijian@fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=139.138.36.225; envelope-from=lizhijian@fujitsu.com; helo=esa10.hc1455-7.c3s2.iphmx.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Li Zhijian From: Li Zhijian via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1741156068490019100 Content-Type: text/plain; charset="utf-8" It's believed that RDMA + postcopy-ram has been broken for a while. Rather than spending time re-enabling it, let's simply disable it as a trade-off. Reviewed-by: Peter Xu Signed-off-by: Li Zhijian --- V3: - collect Reviewed tag - reoder: 6th -> 3th --- migration/options.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/migration/options.c b/migration/options.c index c6f18df5864..527ba05d413 100644 --- a/migration/options.c +++ b/migration/options.c @@ -449,6 +449,10 @@ bool migrate_rdma_caps_check(bool *caps, Error **errp) error_setg(errp, "RDMA and multifd can't be used together"); return false; } + if (caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) { + error_setg(errp, "RDMA and postcopy-ram can't be used together"); + return false; + } =20 return true; } --=20 2.44.0