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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CC6DCC2D0A3 for ; Thu, 29 Oct 2020 23:36:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FD322075E for ; Thu, 29 Oct 2020 23:36:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604014599; bh=tiQsCPtLsqO5ooF7IiNDNyjbGaPP8KTeVd+mnveyGcs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=nTXD7+DS6dKyH22shfLP7T7JECikct/7PPD/+26uSS/aJqYCJHgxx9fkJvEDwMAAa MzZ9lIVH8ujkKzT7N+NDnNP4XwJ3aG8eFpyE3x2RmCM6Klgp78pseh3zmyEGmn1eNx bFOln8T2JUQ7aMqFjN04WsUHAT7a+jyqNmv886xc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725681AbgJ2Xgi (ORCPT ); Thu, 29 Oct 2020 19:36:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:60688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725372AbgJ2Xgi (ORCPT ); Thu, 29 Oct 2020 19:36:38 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 EAD6B20739; Thu, 29 Oct 2020 23:36:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604014597; bh=tiQsCPtLsqO5ooF7IiNDNyjbGaPP8KTeVd+mnveyGcs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kF1I5s4G4GwjeViHSetaQE7rxjmrJKdWT1rryocgiIzFtcjNviVVxZM5NWZZNnZIG 53i4oiQKZTYuqN0OZCri/BKAmgSnlY9p/ObT9PkPogTZwo2eURU2YkdBsq3xqwQNku dlqjYN4+Eny9hd1IVqNcebSpxfunzxaqLfu+e9Wo= Date: Thu, 29 Oct 2020 19:36:35 -0400 From: Sasha Levin To: Nick Desaulniers Cc: Jian Cai , "# 3.4.x" , clang-built-linux , Manoj Gupta , Luis Lozano , Arnd Bergmann , Greg KH Subject: Re: Backport 44623b2818f4a442726639572f44fd9b6d0ef68c to kernel 5.4 Message-ID: <20201029233635.GF87646@sasha-vm> References: <20201029110153.GA3840801@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, Oct 29, 2020 at 11:05:01AM -0700, Nick Desaulniers wrote: >On Thu, Oct 29, 2020 at 4:01 AM Greg KH wrote: >> >> On Mon, Oct 26, 2020 at 06:17:00PM -0700, Jian Cai wrote: >> > Hello, >> > >> > I am working on assembling kernel 5.4 with LLVM's integrated assembler on >> > ChromeOS, and the following patch is required to make it work. Would you >> > please consider backporting it to 5.4? >> > >> > >> > commit 44623b2818f4a442726639572f44fd9b6d0ef68c >> > Author: Arnd Bergmann >> > Date: Wed May 27 16:17:40 2020 +0200 >> > >> > crypto: x86/crc32c - fix building with clang ias >> > >> > Link: >> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44623b2818f4a442726639572f44fd9b6d0ef68c >> > >> >> It does not apply cleanly, can you please provide a properly backported >> and tested version? > >Hi Jian, >Thanks for proactively identifying and requesting a backport of >44623b2818. We'll need it for Android as well soon. > >One thing I do when requesting backports from stable is I checkout the >branch of the stable tree and see if the patch cherry picks cleanly. btw, an easy way to get an idea of possible dependencies is to look at the dependency repo :) For this commit on 5.4: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/deps.git/plain/v5.4/44623b2818f4a442726639572f44fd9b6d0ef68c -- Thanks, Sasha