From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:54798 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751145AbdKURJN (ORCPT ); Tue, 21 Nov 2017 12:09:13 -0500 Date: Tue, 21 Nov 2017 18:09:14 +0100 From: Greg Kroah-Hartman To: Ben Hutchings Cc: Guenter Roeck , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, shuahkh@osg.samsung.com, patches@kernelci.org, stable@vger.kernel.org Subject: Re: [PATCH 4.14 00/31] 4.14.1-stable review Message-ID: <20171121170914.GA21561@kroah.com> References: <20171119145951.136379453@linuxfoundation.org> <7bc1795a-a2f0-6837-19f0-93b21fca35ad@roeck-us.net> <1511277970.18523.113.camel@codethink.co.uk> <20171121163534.GA20401@kroah.com> <1511282778.18523.114.camel@codethink.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1511282778.18523.114.camel@codethink.co.uk> Sender: stable-owner@vger.kernel.org List-ID: On Tue, Nov 21, 2017 at 04:46:18PM +0000, Ben Hutchings wrote: > On Tue, 2017-11-21 at 17:35 +0100, Greg Kroah-Hartman wrote: > > On Tue, Nov 21, 2017 at 03:26:10PM +0000, Ben Hutchings wrote: > [...] > > > Not all 32-bit configurations can provide cmpxchg64().��i40e's use of > > > cmpxchg64() appears to be fixed by: > > > > > > b74f571f59a8 i40e/i40evf: organize and re-number feature flags > > > b48be9978e4b i40e: fix flags declaration > > > > So without those patches, are any specific arches/configs broken for > > 4.14? > > 32-bit parisc is. Ok, but that's a horrid hack on the i40e driver, it just happens to move the bitfield to a 32bit variable. Can't we just provide a "real" cmpxchg64() for 32-bit parisc? Or mark this driver as not buildable on that platform? I doubt anyone is doing 40gb networking on parisc :) thanks, greg k-h