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=-6.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 7ADD8C04FF3 for ; Mon, 24 May 2021 18:14:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A56961406 for ; Mon, 24 May 2021 18:14:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233695AbhEXSPr (ORCPT ); Mon, 24 May 2021 14:15:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:43670 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233315AbhEXSPq (ORCPT ); Mon, 24 May 2021 14:15:46 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CB373600D1; Mon, 24 May 2021 18:14:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621880057; bh=dl/SKugcPgrb9nTzVK9VQWZdc9S8UJAdzjdTYp1wOFE=; h=In-Reply-To:References:Date:From:To:Cc:Subject:From; b=g4I2SUQAhQVUQOJUbCLmr5m0US/MaDMng6KFWcqy2eupcVaOGP7Y1QSJZQvMGi23g MK5WPk2hmf1F0qxXAx7XH4ntn7t8hh6H9Xh3MCESFzIzYUJtokNPQnMnoQKdn5C0Pd lfCoNPhU124pDfGLDhyTKhtsZDxx9dzaA/F7bhQTbf551t9KD8tjgZ/KRsh9uHhD03 r0C7Q0LDo4Y+VoKG4a50AF1QZqIpMUd52T6Fy1oKjpdD+JgZA3/WfDsY9Q24ZGouuA YyX0J/n2JnOr66oUm8UsaCb9xW3ZBN1oaMSyqqT2BCW/iMgbAgq1sbQbJ4UiPMoufQ kWCT01k0rBUZw== Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailauth.nyi.internal (Postfix) with ESMTP id D914327C0054; Mon, 24 May 2021 14:14:15 -0400 (EDT) Received: from imap21 ([10.202.2.71]) by compute2.internal (MEProxy); Mon, 24 May 2021 14:14:15 -0400 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdejledguddvgecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefofgggkfgjfhffhffvufgtsehttdertderredtnecuhfhrohhmpedftehn ugihucfnuhhtohhmihhrshhkihdfuceolhhuthhosehkvghrnhgvlhdrohhrgheqnecugg ftrfgrthhtvghrnheptdfhheettddvtedvtedugfeuuefhtddugedvleevleefvdetleff gfefvdekgeefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homheprghnugihodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdduudeiudek heeifedvqddvieefudeiiedtkedqlhhuthhopeepkhgvrhhnvghlrdhorhhgsehlihhnuh igrdhluhhtohdruhhs X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 30E0951C0060; Mon, 24 May 2021 14:14:15 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-448-gae190416c7-fm-20210505.004-gae190416 Mime-Version: 1.0 Message-Id: <5a645958-10ab-46e7-9650-e5746a8d2276@www.fastmail.com> In-Reply-To: References: <20210523193259.26200-1-chang.seok.bae@intel.com> <20210523193259.26200-22-chang.seok.bae@intel.com> <8c8d91ae-5a3b-9523-725d-134840102df7@kernel.org> Date: Mon, 24 May 2021 11:13:53 -0700 From: "Andy Lutomirski" To: "Len Brown" Cc: "Bae, Chang Seok" , "Borislav Petkov" , "Thomas Gleixner" , "Ingo Molnar" , "the arch/x86 maintainers" , "Brown, Len" , "Dave Hansen" , "Liu, Jing2" , "Shankar, Ravi V" , "Linux Kernel Mailing List" Subject: Re: [PATCH v5 21/28] x86/fpu/amx: Initialize child's AMX state Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 24, 2021, at 10:37 AM, Len Brown wrote: > On Sun, May 23, 2021 at 11:09 PM Andy Lutomirski wrote: > > > If we're going to start having different states with different > > behaviors, let's make them real defines. > > > > #define XFEATURE_MASK_CLEARED_ON_CLONE ... > > Probably a good idea. > > However, "cleared on clone" isn't the property. > The property is that the state is treated as VOLATILE. > What does VOLATILE mean in this context?