From patchwork Fri Oct 2 17:35:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 303802 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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 68D55C4363C for ; Fri, 2 Oct 2020 17:37:16 +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 B032E206CA for ; Fri, 2 Oct 2020 17:37:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qf4xAEmt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B032E206CA 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]:60984 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kOOza-0001hc-HU for qemu-devel@archiver.kernel.org; Fri, 02 Oct 2020 13:37:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44960) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kOOyR-0000Mt-Vy for qemu-devel@nongnu.org; Fri, 02 Oct 2020 13:36:04 -0400 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:39915) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kOOyQ-0003Ix-KI for qemu-devel@nongnu.org; Fri, 02 Oct 2020 13:36:03 -0400 Received: by mail-wr1-x431.google.com with SMTP id k10so2669533wru.6 for ; Fri, 02 Oct 2020 10:36:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=8dO6pxE4z1oTaZMqwOd3lkigfm7zf47mhBiz92kiT9o=; b=qf4xAEmtk1l/CSmroEuAHMkUIV98SnpRptX8+KSMw0btsrR7pXOq9DmeAwh/H6oYSp fkc7RsmANZ67x07GPAZTHpL4gKpa/MBrv7vtCOa6bIhJAzkQZNR6M+p/xSVWzT26x8Mn 1YBzXD1FyE6O60EW7x/nz3alnRfVi2Bg/8191v4WWFzDeN+HyuM/Fah6KAggOfQixVsq yPcKs+y0zDVIdZjYtQZbtwNmz5tj87OiVTA1rV4hM/r3+639KKKn/O6Q1/Ib/31zMfDv draNFnDqGD7ey4xkH7lvZZgUUApXkPRVTENcGXGCtqKqOs8IB5AZVmHEEOGeMrn7lze1 4kNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:subject:date:message-id :mime-version:content-transfer-encoding; bh=8dO6pxE4z1oTaZMqwOd3lkigfm7zf47mhBiz92kiT9o=; b=JFLMfvz8Wrg6euxwKybdXl9/Ur5V7GADlUNLOWMMQ3pLqx3cyQiH/tqYe8RHVfbQ7G p9fbVTqzK3H0WcQgRwmunTJKk+wqbG8pO5/rIq7u4gw0yMFulVZZ8lN6lLFSlbIlvRII gfItE3uKFJnkRPQ4kNHZMHRVRZ4IbSC0HiymOUDqfScVOffUX7g2eF/aRzEP6G8TN1V9 3avYi8QKW5iOZRZPbK98LwcmsbJ/E+s9NYtHaXZH4X16i6QsFgsN/9xFRnUg0yoH6mjC HvsVTgEth/37L4h9XHxcRSx5+RqlTXvhQiZk0cszj9waRVFR1zHLeoI9SwD73Rf6LqBX PSUA== X-Gm-Message-State: AOAM532wVEe7nhSUDqw1BQcar3Tzp0pGELkaAn/4MbtXC4W6MiBb/hNc O9C6iijU10oaVsKKHnZ4cFxWAOWtjBQ= X-Google-Smtp-Source: ABdhPJxs9jSesZd5HM0qAPoRRW1VQ2xsVwDm7C4nPu/VLypj9Ww/xV6sLI7xz/VoyEiysfBs6ZKV6Q== X-Received: by 2002:a5d:52ca:: with SMTP id r10mr4028528wrv.195.1601660160249; Fri, 02 Oct 2020 10:36:00 -0700 (PDT) Received: from donizetti.redhat.com ([2001:b07:6468:f312:47e0:e742:75ba:b84d]) by smtp.gmail.com with ESMTPSA id l8sm2516454wrx.22.2020.10.02.10.35.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Oct 2020 10:35:59 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH v6 00/10] Fix scsi devices plug/unplug races w.r.t virtio-scsi iothread Date: Fri, 2 Oct 2020 19:35:48 +0200 Message-Id: <20201002173558.232960-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=paolo.bonzini@gmail.com; helo=mail-wr1-x431.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" changes from previous version: - add comment to patch 1 - fix testsuite breakage by not using drain_call_rcu in qmp_device_del Maxim Levitsky (7): scsi/scsi_bus: switch search direction in scsi_device_find device_core: use drain_call_rcu in in qmp_device_add device-core: use RCU for list of children of a bus device-core: use atomic_set on .realized property scsi/scsi_bus: Add scsi_device_get virtio-scsi: use scsi_device_get scsi/scsi_bus: fix races in REPORT LUNS Paolo Bonzini (3): qdev: add "check if address free" callback for buses scsi: switch to bus->check_address scsi/scsi-bus: scsi_device_find: don't return unrealized devices hw/core/bus.c | 28 ++-- hw/core/qdev.c | 73 +++++++--- hw/net/virtio-net.c | 2 +- hw/scsi/scsi-bus.c | 262 ++++++++++++++++++++++------------- hw/scsi/virtio-scsi.c | 27 ++-- hw/sd/core.c | 3 +- include/hw/qdev-core.h | 24 +++- include/hw/scsi/scsi.h | 1 + qdev-monitor.c | 12 ++ tests/qtest/drive_del-test.c | 10 +- 10 files changed, 301 insertions(+), 141 deletions(-)