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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 D5241C18E5B for ; Tue, 24 Mar 2020 23:49:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 99B4920719 for ; Tue, 24 Mar 2020 23:49:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MlgbV5xu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727259AbgCXXty (ORCPT ); Tue, 24 Mar 2020 19:49:54 -0400 Received: from mail-qv1-f67.google.com ([209.85.219.67]:34027 "EHLO mail-qv1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727229AbgCXXtw (ORCPT ); Tue, 24 Mar 2020 19:49:52 -0400 Received: by mail-qv1-f67.google.com with SMTP id o18so96658qvf.1 for ; Tue, 24 Mar 2020 16:49:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=WXqXTT1DtLqmzmjkBBjicSNrZ08h/rCoq4NTECASZpg=; b=MlgbV5xu2HcOCHYISh0rVhd+WtayGujV639SF0pMVYOPBWa9mmR3nMtF48SELl2ysP 7G21E1OdkwGZSy8BHKsRbU0l/TTeqe66xOfovpT5JymE1R6no9KvAqXN5IfRxgwxRn97 E6dZgY8mKO4RwVKCG5Lat9F3akPYWk2QWKHUMe0tUMM5jUjxLFD3wDZ4nK8Vzj7It+Dv 7loXXUmJGjeZaWnONh6H9nkOXpGfPgDZlcaVnB2eDGupFlcIhHIbMo+FxrC7Qh7DfVQ+ k9MY6g9tzLyPCH21xYXbIhpTC2HD2Ne50xls6DqInS9w30jAM/in/lVeIsXKZq6LR2qG ETsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:date:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=WXqXTT1DtLqmzmjkBBjicSNrZ08h/rCoq4NTECASZpg=; b=fBVul6PQ2zgEXxvpqoSXvlW/zEu4CmDcCMZD/XgvjXdeF3KAnKcfhwN2HqMAAWnj+q 9+0SKoepJPIeFG3ohK0TjFR/VckE7EOdmNRVZa2l355XfygI97XOzTSjBy5yTER5zS2Z sUOh32i31C8mIrHzilNiLhNaOaCUyrWVXChQy/ze1U1z5ByPqx4ZQxUHQUQ4Z7/6PI1m 1wr7QtZb94F92yrVG6xZxEDLbLPDuO0cku+KtlUm9eHiOaL2fe9QbiliujbrbiSxXs9u aJDFF5X1d3JvzZobFGI5kh0uMtSvvOgTeV9wx+3KP5M42mBTmRnxmCfbFzEY9lbjB63G Weyg== X-Gm-Message-State: ANhLgQ2x3J8XmIBk9wP2mqftms4VBrQrcx1cEditjXG36W/wiChh/Xm0 kXBRydex/Vp+WsXJCT85tXA= X-Google-Smtp-Source: ADFU+vuIJBh70Otd4fILE2e+dqN3YxFo09aCCJYbQPKmRh8Kj1efsqpVmSl0JkK7bkpITDRiLc1OOg== X-Received: by 2002:ad4:5427:: with SMTP id g7mr694573qvt.23.1585093790911; Tue, 24 Mar 2020 16:49:50 -0700 (PDT) Received: from rani.riverdale.lan ([2001:470:1f07:5f3::b55f]) by smtp.gmail.com with ESMTPSA id d25sm13238573qtj.86.2020.03.24.16.49.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2020 16:49:50 -0700 (PDT) From: Arvind Sankar X-Google-Original-From: Arvind Sankar Date: Tue, 24 Mar 2020 19:49:48 -0400 To: Linus Torvalds Cc: Arvind Sankar , Borislav Petkov , "Jason A. Donenfeld" , Masahiro Yamada , Kees Cook , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , X86 ML , Linux Kernel Mailing List , Thomas Lendacky , Mauro Rossi , Michael Matz Subject: Re: [PATCH] Documentation/changes: Raise minimum supported binutils version to 2.23 Message-ID: <20200324234947.GA3373941@rani.riverdale.lan> References: <20200323204454.GA2611336@zx2c4.com> <202003231350.7D35351@keescook> <20200324091437.GB22931@zn.tnic> <20200324162843.GE22931@zn.tnic> <20200324164812.GG22931@zn.tnic> <20200324214204.GB3220053@rani.riverdale.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 24, 2020 at 03:14:38PM -0700, Linus Torvalds wrote: > On Tue, Mar 24, 2020 at 2:42 PM Arvind Sankar wrote: > > > > This is just a documentation patch right? > > That patch, yes. > > However, there's a second patch that knows that if we have binutils >= > 2.22, then we don't need to check for AVX2 or ADX support, because we > know it's there. > > Linus Ok. But if you're otherwise ok taking those AVX2/ADX patches for 5.7, as noted in my other email [1], the x86 build has been broken with binutils <= 2.22 since v5.3. [1] https://lore.kernel.org/lkml/20200324220147.GA3253486@rani.riverdale.lan/