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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 7B3F1C433DF for ; Sat, 23 May 2020 09:04:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42E6120727 for ; Sat, 23 May 2020 09:04:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590224648; bh=Hp1tC5MycJ9XgfCfaud3YimEXsipBgcHUujsSOlD/DU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Z4vI1JvonavisCliiyXfhX9JbDQXHv7XfBH8wmZmKRi37ASFAa3YLXEtp4z6+U9TY kp/KXgbymGdfp9VmMklvLYFk6SzAC0pH0kcOvzkuwAIOUYwB1TNrjr2lMmT+Lf59jJ 9VjCQiomtzy1iZ+iWIaNOJZ9JIEhgL8YOSsIvTJk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387689AbgEWJEH (ORCPT ); Sat, 23 May 2020 05:04:07 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:37556 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387498AbgEWJEH (ORCPT ); Sat, 23 May 2020 05:04:07 -0400 Received: by mail-wr1-f66.google.com with SMTP id l17so12587824wrr.4; Sat, 23 May 2020 02:04:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=wHEVgPYbInrmivVdwVmS/wLcMCPWwyD58Nhe2wcQjfs=; b=jKs1L/smdt6HZ/N/w6fAe2gFc4/U0gKsO7TuyY5l59qcVTDqNzcWZ1XAaVaBhXhQ/F waLzR6HMUtrMXA65Y4TGoupqFIJAN5HqSB8rNiDIE/ihJzsMAJsJ/ssSq1e+M+d+5C2v F7ZJPzSPl4nuLahNwyJYMabnbw2B0tWHqFklbfadHtMzW6gNfzYzXtcJ1/huHad0YMlk DOAWt7HopPvLp3wT8FP7jiEB+7gA/hFnheOK/PrQT3p3NaDQhSLrPwTFLh0B69kIsFyy UzyqL91/zn5mrDIdRSkjFr/nny/KS4q5okP1YJkTxhOkM8F9mvnlu4YMSlbG7laRtYdT +zNg== X-Gm-Message-State: AOAM530DsqnkWwugULpeX4nntyDun10EIkByBZcoIL9OgQMqbn7ou9a8 hE+igou+8vFDwAJSFKp8g7Y= X-Google-Smtp-Source: ABdhPJwfXDlEVR+GjK8MD8CecRuUJ5OzBF1LGAGM+dByWZJ9G3u0arNxw5VIu+B5pcY8/pRP39nqsw== X-Received: by 2002:adf:810a:: with SMTP id 10mr7088226wrm.101.1590224645436; Sat, 23 May 2020 02:04:05 -0700 (PDT) Received: from liuwe-devbox-debian-v2.j3c5onc20sse1dnehy4noqpfcg.zx.internal.cloudapp.net ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id z16sm2645612wmf.3.2020.05.23.02.04.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 May 2020 02:04:04 -0700 (PDT) Date: Sat, 23 May 2020 09:04:03 +0000 From: Wei Liu To: "Andrea Parri (Microsoft)" Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, "K . Y . Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Michael Kelley Subject: Re: [PATCH] VMBus channel interrupts reassignment - Fixes Message-ID: <20200523090403.hqyrdbbzgeckmi3q@liuwe-devbox-debian-v2.j3c5onc20sse1dnehy4noqpfcg.zx.internal.cloudapp.net> References: <20200522171901.204127-1-parri.andrea@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200522171901.204127-1-parri.andrea@gmail.com> User-Agent: NeoMutt/20180716 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org On Fri, May 22, 2020 at 07:18:59PM +0200, Andrea Parri (Microsoft) wrote: > Two fixes on top of the channel interrupts reassignment series, both > addressing race conditions between the initialization of the target > CPUs and the CPU hot removal path. (Fixes: tags refer to commit IDs > from the hyperv tree and should be considered as placeholders; please > let me know how you'd prefer to handle these...) Thanks for the heads-up. I will change the tags if I end up rebasing hyperv-next. Wei. > > Thanks, > Andrea > > Andrea Parri (Microsoft) (2): > Drivers: hv: vmbus: Resolve race between init_vp_index() and CPU > hotplug > Drivers: hv: vmbus: Resolve more races involving init_vp_index() > > drivers/hv/channel_mgmt.c | 66 +++++++++++++++++++-------------------- > drivers/hv/hyperv_vmbus.h | 48 ++++++++++++++++++++++++++++ > drivers/hv/vmbus_drv.c | 19 +++++++---- > include/linux/hyperv.h | 7 +++++ > 4 files changed, 101 insertions(+), 39 deletions(-) > > -- > 2.25.1 >