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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AB789C77B7F for ; Thu, 26 Jun 2025 07:49:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uUhIy-0004Or-5O; Thu, 26 Jun 2025 03:45:56 -0400 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 1uUhIw-0004OW-HU for qemu-devel@nongnu.org; Thu, 26 Jun 2025 03:45:54 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uUhIu-0001vy-Sr for qemu-devel@nongnu.org; Thu, 26 Jun 2025 03:45:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750923952; 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=cohC1TF4+wfU5TNquD8tlKMRJgQq52ejRwWMDBTo4QU=; b=UPKKqaruBeaYC/V99Dibu81H5zR2A48hzEyY8G/1+r7xz7HSKsdv8uqT9X2NaYs1POJ9tR GIUbdIRjXHm4kMMVZXCXHnYpzInwacbNFX/3PWFhTCm0hqCgjJXvcnk66X9P5IeaIQ/VVL OleCTcXw79d8xVPEbAnX1pbxYhTPOuM= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-292-Ttvubg1VMpuR10ov-uc0Fg-1; Thu, 26 Jun 2025 03:45:50 -0400 X-MC-Unique: Ttvubg1VMpuR10ov-uc0Fg-1 X-Mimecast-MFC-AGG-ID: Ttvubg1VMpuR10ov-uc0Fg_1750923949 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 302151944AAB; Thu, 26 Jun 2025 07:45:49 +0000 (UTC) Received: from corto.redhat.com (unknown [10.44.32.51]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6DADF180035C; Thu, 26 Jun 2025 07:45:46 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Zhenzhong Duan , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 06/25] vfio/container: fails mdev hotplug if add migration blocker failed Date: Thu, 26 Jun 2025 09:45:10 +0200 Message-ID: <20250626074529.1384114-7-clg@redhat.com> In-Reply-To: <20250626074529.1384114-1-clg@redhat.com> References: <20250626074529.1384114-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Zhenzhong Duan It's aggressive to abort a running QEMU process when hotplug a mdev and it fails migration blocker adding. Fix by just failing mdev hotplug itself. Signed-off-by: Zhenzhong Duan Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/qemu-devel/20250623102235.94877-3-zhenzhong.duan@intel.com [ clg: Changed test on value returned by migrate_add_blocker_modes() ] Signed-off-by: Cédric Le Goater --- hw/vfio/container.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 2853f6f08b5d3f199b7f2c22de884ec6b57279ce..3e13feaa74c30e8d7f5a0978e15824cecbf6d674 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -992,12 +992,16 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev, if (vbasedev->mdev) { error_setg(&vbasedev->cpr.mdev_blocker, "CPR does not support vfio mdev %s", vbasedev->name); - migrate_add_blocker_modes(&vbasedev->cpr.mdev_blocker, &error_fatal, - MIG_MODE_CPR_TRANSFER, -1); + if (migrate_add_blocker_modes(&vbasedev->cpr.mdev_blocker, errp, + MIG_MODE_CPR_TRANSFER, -1) < 0) { + goto hiod_unref_exit; + } } return true; +hiod_unref_exit: + object_unref(vbasedev->hiod); device_put_exit: vfio_device_put(vbasedev); group_put_exit: -- 2.49.0