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 910A1C433E0 for ; Mon, 6 Jul 2020 11:46:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B149206E6 for ; Mon, 6 Jul 2020 11:46:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594035978; bh=+5UDEWKycXLC0gBnM1HfIMvN1ZmbqNtD4Wg6BQxvnOs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=LmYTdIojk7J3zwVnCYegMZyupN3alVKPxq0z81WGrlXc475vTFyHJXJffdn0pz210 MY29fN5dGAB/nyBoiOC/zu6zOGc/Q6eJ8o5mMfVqY2jD5F0aZZQOFFA1jEKWLousiS YsvNbp5lJPgLuCcgXjwlpWmLOlg32QR5FW7RuAUw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728885AbgGFLqS (ORCPT ); Mon, 6 Jul 2020 07:46:18 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:36088 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728892AbgGFLqS (ORCPT ); Mon, 6 Jul 2020 07:46:18 -0400 Received: by mail-wm1-f65.google.com with SMTP id 17so41539773wmo.1; Mon, 06 Jul 2020 04:46:16 -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=/S2mDsygdukG9nVnHYZD+l4K+FkZWd+rRvB4pf5Rk0w=; b=HOaOzycbvPzDYMc+07LRLs59WNxbuBXqdj46p1AQ5kkY/Jk8m54eE290pmVw5dmm8E LDiSsEafdi6rvT6raesBSZyEO8qjHolyg1+bT4W63RBk29yPfBibOQzYK15x4kTYOrZR /+NYSPjNWlmWqC325QunO8xvu058ewRo1pML6Jw6J9yBGlaKLTWHKuGrTUgW2md7yNE+ jSt+vVMG6yCanvvhOS0IxXI3b0/vHz78tXBXb3HuKV8nmZ1DpFhQ4S1GlZyH8ePbD6G8 i56T3H1HlIEHIpCIswjZkYhGRsIGNngul+rjMRYX/XE7WYFhEca4VcArlw/Qx2u/5UpY Z72A== X-Gm-Message-State: AOAM5316NLcRgNBtfmM09iN/Zu7EVI18GZvhDDuV7izqnrfF66oIRC+m duCdREWjB4UFOwulSqfE7eBGB9kN X-Google-Smtp-Source: ABdhPJzzwGDjgcW3RLG8unz7NFqmAksiTB0vyeynhnJDW+kaOn3Hk/jDwIRZmndVtHhFRVIp2SjX3g== X-Received: by 2002:a05:600c:218f:: with SMTP id e15mr47853606wme.187.1594035975569; Mon, 06 Jul 2020 04:46:15 -0700 (PDT) Received: from liuwe-devbox-debian-v2 ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id v12sm11378778wrt.31.2020.07.06.04.46.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2020 04:46:15 -0700 (PDT) Date: Mon, 6 Jul 2020 11:46:13 +0000 From: Wei Liu To: Sasha Levin Cc: Joseph Salisbury , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Wei Liu , Michael Kelley Subject: Re: [PATCH][v2] Drivers: hv: Change flag to write log level in panic msg to false Message-ID: <20200706114613.ikjv53b5zltwupq3@liuwe-devbox-debian-v2> References: <1593210497-114310-1-git-send-email-joseph.salisbury@microsoft.com> <20200701193326.12D69214DB@mail.kernel.org> <20200706105549.xum3y7hmviatil2w@liuwe-devbox-debian-v2> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200706105549.xum3y7hmviatil2w@liuwe-devbox-debian-v2> User-Agent: NeoMutt/20180716 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Forgot to CC Michael. On Mon, Jul 06, 2020 at 10:55:49AM +0000, Wei Liu wrote: > On Wed, Jul 01, 2020 at 07:33:25PM +0000, Sasha Levin wrote: > > Hi > > > > [This is an automated email] > > > > This commit has been processed because it contains a -stable tag. > > The stable tag indicates that it's relevant for the following trees: all > > > > The bot has tested the following trees: v5.7.6, v5.4.49, v4.19.130, v4.14.186, v4.9.228, v4.4.228. > > > > v5.7.6: Build OK! > > v5.4.49: Failed to apply! Possible dependencies: > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > Unrelated, shouldn't be backported. > > > > > v4.19.130: Failed to apply! Possible dependencies: > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > > > Unrelated, shouldn't be backported. > > > v4.14.186: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 53edce00ceb74 ("Drivers: hv: vmbus: Remove dependencies on guest page size") > > 7ed4325a44ea5 ("Drivers: hv: vmbus: Make panic reporting to be more useful") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8afc06dd75c06 ("Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdr") > > ddcaf3ca4c3c8 ("Drivers: hv: vmus: Fix the check for return value from kmsg get dump buffer") > > > > v4.9.228: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 6ab42a66d2cc1 ("Drivers: hv: vmbus: Move Hypercall invocation code out of common code") > > 73638cddaad86 ("Drivers: hv: vmbus: Move the check for hypercall page setup") > > 76d36ab798204 ("hv: switch to cpuhp state machine for synic init/cleanup") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8730046c1498e ("Drivers: hv vmbus: Move Hypercall page setup out of common code") > > d058fa7e98ff0 ("Drivers: hv: vmbus: Move the crash notification function") > > > > v4.4.228: Failed to apply! Possible dependencies: > > 4a5f3cde4d51c ("Drivers: hv: vmbus: Remove x86-isms from arch independent drivers") > > 619848bd07434 ("drivers:hv: Export a function that maps Linux CPU num onto Hyper-V proc num") > > 6ab42a66d2cc1 ("Drivers: hv: vmbus: Move Hypercall invocation code out of common code") > > 73638cddaad86 ("Drivers: hv: vmbus: Move the check for hypercall page setup") > > 75ff3a8a9168d ("Drivers: hv: vmbus: avoid wait_for_completion() on crash") > > 76d36ab798204 ("hv: switch to cpuhp state machine for synic init/cleanup") > > 81b18bce48af3 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") > > 8730046c1498e ("Drivers: hv vmbus: Move Hypercall page setup out of common code") > > a108393dbf764 ("drivers:hv: Export the API to invoke a hypercall on Hyper-V") > > d058fa7e98ff0 ("Drivers: hv: vmbus: Move the crash notification function") > > Just from reading the subject lines it seems to me a lot of the possible > dependencies aren't really related to this patch functionally. It could > be that they are touching the same area of code which create some > contextual dependencies. Some of the listed dependencies should > definitively _not_ be backported. > > Michael and Joseph, how far do you want this to be backported? It may be > easier for us to provide bespoke versions of this patch to the stable > trees we care about? > > Wei. > > > > > NOTE: The patch will not be queued to stable trees until it is upstream. > > > > How should we proceed with this patch? > > > > -- > > Thanks > > Sasha