From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: linux-next: manual merge of the xen-tip tree with the tip tree Date: Thu, 13 Aug 2015 08:45:19 +0200 Message-ID: <20150813064519.GA16365@gmail.com> References: <20150812150954.36bc605c@canb.auug.org.au> <55CB49CA.8050305@oracle.com> <20150812172105.GW16853@twins.programming.kicks-ass.net> <20150812174625.GH18673@twins.programming.kicks-ass.net> <55CB8DAD.6090508@oracle.com> <20150812183614.GY16853@twins.programming.kicks-ass.net> <55CB9424.7030801@oracle.com> <20150812190422.GZ16853@twins.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-wi0-f179.google.com ([209.85.212.179]:37489 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750960AbbHMGpY (ORCPT ); Thu, 13 Aug 2015 02:45:24 -0400 Content-Disposition: inline In-Reply-To: <20150812190422.GZ16853@twins.programming.kicks-ass.net> Sender: linux-next-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: Boris Ostrovsky , "H. Peter Anvin" , Stephen Rothwell , Jeremy Fitzhardinge , Konrad Rzeszutek Wilk , Stefano Stabellini , Xen Devel , Thomas Gleixner , Ingo Molnar , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Lutomirski , David Vrabel * Peter Zijlstra wrote: > On Wed, Aug 12, 2015 at 02:44:52PM -0400, Boris Ostrovsky wrote: > > On 08/12/2015 02:36 PM, Peter Zijlstra wrote: > > >On Wed, Aug 12, 2015 at 11:26:41AM -0700, H. Peter Anvin wrote: > > >>One option might be to do the addition in assembly, i.e.: > > >> > > >>"i" (key), "i" (index) > > >> > > >>... and put the addition into the assembly source. > > >Like so? Seems to build on gcc-4.6. > > > > Yes, this builds on 4.4.4. as well. > > Thanks, Ingo / Hpa, can you make the below patch appear in the right tip > branch? Applied, it will show up as the following commit: d420acd816c0 ("jump_label/x86: Work around asm build bug on older/backported GCCs") Thanks, Ingo