Received: by 2002:a05:6a10:17d3:0:0:0:0 with SMTP id hz19csp494669pxb; Wed, 14 Apr 2021 22:33:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwuV1j/v+zxcECoeMDIsMpKMjT+3/mPyqHNMLi3N7Kdm9vn5/jOR1IjthWKJGSfEwJQVs0N X-Received: by 2002:a17:906:2cd1:: with SMTP id r17mr1545886ejr.429.1618464805070; Wed, 14 Apr 2021 22:33:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1618464805; cv=none; d=google.com; s=arc-20160816; b=AIUqFYAOyVQcOP0gbKv5EQgxe8DPdlKz6fiBOeQM7+SetNQdSa53zgmp4/gXoPa1np 3LsZdNuQWlWxVeCf2kZDFxhDqLsNjvuKySDTifoVXsY1aIxmgrtuviaEdK0oywSr3zPP g+umuSHLbOLv51rLKD0OWXPxIO9LtPiEtt4R8eWdfpYOF4ednRQH3LW/fWZZm1TFmu3D oE0aNEtR51UgMYWqLd0elZhresk2OoB45xID1CiGygFBze6CQB2TQ0AvUkGXvnYESmgh 9rX37o6UOtknXCqziS4SCLzfoKc2Mh9vYO+FHOmwM7yZZ7Q/ajOnlaeeo9MNQRp1z2g5 NvAQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=2tKSRpLG7CEZkkjWGeL5KpkFXzgxASBaGqE3Q6JVo4M=; b=yGeczaIIMWZp7sDrxBUFmE0pOAXDAvPtw0uaN81EN0LXyFSvWv8SGOhE/uT0aUNjq5 ZAmzTUtxVhLDtTPExG9AQlrxeGDTBlDRL90d5iujrFmLJ4Rf19N8uo7WbnfmbY+qEw0X O3+XWD62C4hjFbxzCQxWWzYV14nFEaJrlNyLNxzxFNiYoZ0w9XpklXPXYJcly/Df7EtE wK3bJJwQk+fl+nO7wmv8mnBQ/4o0YMDIpVzmj4PHjzK9HbSzGwlziMgiKbgyFDAIPqZ/ gGY5bTHPkwVSH0e4WV9GlHqVl7irlBr4wVbtqIYFT4tS1Bcykr6cjNuYgDUk787pK0Jc cWig== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jo3si1338543ejb.274.2021.04.14.22.33.00; Wed, 14 Apr 2021 22:33:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229793AbhDOFa3 (ORCPT + 99 others); Thu, 15 Apr 2021 01:30:29 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:51640 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229560AbhDOFa2 (ORCPT ); Thu, 15 Apr 2021 01:30:28 -0400 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id 13F5Tc78002350; Thu, 15 Apr 2021 07:29:38 +0200 Date: Thu, 15 Apr 2021 07:29:38 +0200 From: Willy Tarreau To: Borislav Petkov Cc: Len Brown , Andy Lutomirski , Florian Weimer , "Bae, Chang Seok" , Dave Hansen , X86 ML , LKML , linux-abi@vger.kernel.org, "libc-alpha@sourceware.org" , Rich Felker , Kyle Huey , Keno Fischer Subject: Re: Candidate Linux ABI for Intel AMX and hypothetical new related features Message-ID: <20210415052938.GA2325@1wt.eu> References: <87lf9nk2ku.fsf@oldenburg.str.redhat.com> <20210413034346.GA22861@1wt.eu> <20210414095804.GB10709@zn.tnic> <20210415044258.GA6318@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210415044258.GA6318@zn.tnic> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 15, 2021 at 06:43:43AM +0200, Borislav Petkov wrote: > On Wed, Apr 14, 2021 at 05:57:22PM -0400, Len Brown wrote: > > I'm pretty sure that the "it isn't my use case of interest, so it > > doesn't matter" line of reasoning has long been established as -EINVAL > > ;-) > > I have only a very faint idea what you're trying to say here. Please > explain properly and more verbosely what exactly has been established > where? What Len is saying is that not being interested in a feature is not an argument for rejecting its adoption, which I'm perfectly fine with. But conversely not being interested in a feature is also an argument for insisting that its adoption doesn't harm other use cases (generally speaking, not this specific case here). Willy