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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 8C705C433DF for ; Thu, 2 Jul 2020 08:20:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6002320720 for ; Thu, 2 Jul 2020 08:20:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QC3pfARo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726555AbgGBIUt (ORCPT ); Thu, 2 Jul 2020 04:20:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726089AbgGBIUs (ORCPT ); Thu, 2 Jul 2020 04:20:48 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62B3AC08C5C1; Thu, 2 Jul 2020 01:20:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=lYeUH98ECIdWEh43yZAHKXD5kblKbjXwCRAczr7OF8g=; b=QC3pfARojKciVxMrZBOx7jz1mN Pab8UojFGO1fmoOFkavzVJlTHdnSbAvvJmrl6qyTfz9JxQ0oVT9N3F3WQ8VDXAHtOt7Bhbc36Sn1D bnEyFCZg5ygqz/hsNcsmBmq4lNF0bm5ijX0J2cmZBSWR0Q9CWFlcuZMu8ctLIW6o49m83sHRa6RbY 1MRzYZOf1YSuGKFdnptt9tybEqVUIQvpRKLyPHa++McjsktYpeEXl/KwxDq39uwxgXI3xJ6Oa9JYw mE1EgZGIdy98yvLtver8lS2emXEaRZOoWRizYYr1UaUpeQRcOUWx1Aq0gYAVOe8/cl0TXWgoDv0aE zeOwHtLg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jquSW-0008A7-R1; Thu, 02 Jul 2020 08:20:41 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 30A843003D8; Thu, 2 Jul 2020 10:20:40 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0DBFD264F8CB3; Thu, 2 Jul 2020 10:20:40 +0200 (CEST) Date: Thu, 2 Jul 2020 10:20:40 +0200 From: Peter Zijlstra To: "Paul E. McKenney" Cc: Marco Elver , Nick Desaulniers , Sami Tolvanen , Masahiro Yamada , Will Deacon , Greg Kroah-Hartman , Kees Cook , clang-built-linux , Kernel Hardening , linux-arch , Linux ARM , Linux Kbuild mailing list , LKML , linux-pci@vger.kernel.org, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" Subject: Re: [PATCH 00/22] add support for Clang LTO Message-ID: <20200702082040.GB4781@hirez.programming.kicks-ass.net> References: <20200625082433.GC117543@hirez.programming.kicks-ass.net> <20200625085745.GD117543@hirez.programming.kicks-ass.net> <20200630191931.GA884155@elver.google.com> <20200630201243.GD4817@hirez.programming.kicks-ass.net> <20200630203016.GI9247@paulmck-ThinkPad-P72> <20200701114027.GO4800@hirez.programming.kicks-ass.net> <20200701140654.GL9247@paulmck-ThinkPad-P72> <20200701150512.GH4817@hirez.programming.kicks-ass.net> <20200701160338.GN9247@paulmck-ThinkPad-P72> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200701160338.GN9247@paulmck-ThinkPad-P72> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Jul 01, 2020 at 09:03:38AM -0700, Paul E. McKenney wrote: > But it looks like we are going to have to tell the compiler. What does the current proposal look like? I can certainly annotate the seqcount latch users, but who knows what other code is out there....