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=-1.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW,USER_AGENT_MUTT autolearn=ham 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 93A80C64EB4 for ; Sun, 2 Dec 2018 07:33:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5928920834 for ; Sun, 2 Dec 2018 07:33:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="fJ7geMEx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5928920834 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725797AbeLBHdu (ORCPT ); Sun, 2 Dec 2018 02:33:50 -0500 Received: from mail.kernel.org ([198.145.29.99]:55608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbeLBHdu (ORCPT ); Sun, 2 Dec 2018 02:33:50 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4A5862080A; Sun, 2 Dec 2018 07:33:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543736027; bh=Pb8bBnXNHfMbNzaDb1Irwh+tFG1LSTMFKfhvLsmVox0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fJ7geMExouxD6nU9zvCZWsFtNCC5snKXQomlPJji1eqLK0i1gwS+lQ87zCSJk9uzP z/dlK2BFCCdVUioGC8uXtzYPIiqAlnlXbQQHz9DxZdxiOuKtW6I03ltRG78Env1Mr4 9ePjhvRl2ltsQyAWAEqh+DP2shhq/EzjBcNXBsJI= Date: Sun, 2 Dec 2018 08:33:45 +0100 From: "gregkh@linuxfoundation.org" To: Dexuan Cui Cc: KY Srinivasan , Haiyang Zhang , Stephen Hemminger , "linux-kernel@vger.kernel.org" , "devel@linuxdriverproject.org" , "apw@canonical.com" , vkuznets , "olaf@aepfle.de" , "jasowang@redhat.com" , Michael Kelley Subject: Re: [PATCH] [repost] Drivers: hv: vmbus: Offload the handling of channels to two workqueues Message-ID: <20181202073345.GC31761@kroah.com> References: <20181129074435.GA12347@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.0 (2018-11-25) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 30, 2018 at 06:09:54PM +0000, Dexuan Cui wrote: > > From: KY Srinivasan > > Sent: Friday, November 30, 2018 9:31 AM > > > From: Dexuan Cui > > > Sent: Thursday, November 29, 2018 12:17 AM > > > To: gregkh@linuxfoundation.org > > > Cc: KY Srinivasan ; Haiyang Zhang > > > ; Stephen Hemminger > > > ; linux-kernel@vger.kernel.org; > > > devel@linuxdriverproject.org; apw@canonical.com; vkuznets > > > ; olaf@aepfle.de; jasowang@redhat.com; Michael > > > Kelley > > > Subject: RE: [PATCH] [repost] Drivers: hv: vmbus: Offload the handling of > > > channels to two workqueues > > > > > > > From: gregkh@linuxfoundation.org > > > > Sent: Wednesday, November 28, 2018 11:45 PM > > > > > > > > > > There is no change in this repost. I just rebased this patch to today's > > > > > char-misc's char-misc-next branch. Previously KY posted the patch with > > > his > > > > > Signed-off-by (which is kept in this repost), but there was a conflict issue. > > > > > > > > > > Note: the patch can't be cleanly applied to char-misc's char-misc-linus > > > branch > > > > -- > > > > > to do that, we need to cherry-pick the supporting patch first: > > > > > 4d3c5c69191f ("Drivers: hv: vmbus: Remove the useless API > > > > vmbus_get_outgoing_channel()") > > > > > > > > That is not going to work for the obvious reason that this dependant > > > > patch is not going to be merged into 4.20-final. > > > > > > It looks the dependent patch (4d3c5c69191f) is going to miss the v4.20 > > > release. > > > This is not a big issue, as the dependent patch isn't really important. > > > > > > > So, what do you expect us to do here? The only way this can be accepted > > > > is to have it go into my -next branch, which means it will show up in > > > > 4.21-rc1, is that ok? > > > > > > Is there any chance for this patch ("Drivers: hv: vmbus: Offload the handling > > > ...") to > > > go into v4.20? > > > > > > If yes, I can quickly do a rebase to char-misc's char-misc-linus branch, > > > because actually the conflict can be very easily fixed. And I can help to fix any > > > conflict when the dependent patch is backported to v4.20.1. > > > > This patch fixes an important bug while the patch this depends on is not > > critical. > > I suggest we revert the patch that this patch depends on > > and we can submit a new version of this patch that can go in now - into 4.20 > > release. > > > > K. Y > > I agree. > > Hi Greg, > Please let us know what we can do to try to push this important fix into v4.20. > > Actually it's straightforward, though it looks big. And, we ave done a full testing > with the patch. Ok, you all need to figure this out on your own, sorry. Please give me a patch that I can actually apply to the tree if you need it merged into 4.20-final. This shouldn't be tough, you all have been doing this long enough by now... I have no bandwidth to do this myself for you, greg k-h