Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp658451ybl; Wed, 8 Jan 2020 03:47:53 -0800 (PST) X-Google-Smtp-Source: APXvYqypBeI01lWbnXInskpG1DIRxHDc41d9lzX2LH8Izzu2eHmWbk4vhD6voTSH6nEevHIUVPMC X-Received: by 2002:aca:ec50:: with SMTP id k77mr2765250oih.114.1578484073365; Wed, 08 Jan 2020 03:47:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1578484073; cv=none; d=google.com; s=arc-20160816; b=Cz22kUGteJbhrrNPbqNauACnEBoagxotEb6K6p+bnz5PzrlzP7lF7IbrcTybzukAwT gWTFL+PrVJVpCPY4DY2EBjIffZM7/omokUiOofHJdI+Qf4CPsTDsFvK9+4zR0v26ZGYl THG6MHUXWRAXnUNFTHR4vLDXYc5CE6X85a0dy5Q1WyTpICo3AjYi94Efmdip41/mAtBS IybQrakbdzun4nn7pNvAIJvdoqKjkqrxe05dTvkMd6TWo1IsTB2QTFjFuztqYhYLi19E 1dgijSD29ocd9TFd6qje60jxw52Uc+JufwDSyf1xKnX/iH20sb+RAQaBpJb67Lu0duiA kTpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=2K49B1IvTuR8ugKnVnlZ1/Wn6pxxM4e0MAEkpZoeWEI=; b=xYqfR9SXhOeBQ1JRCwhYpLGQmv0/5WdZGrhH9QyhDre7HVMHIA67HdF/HWippnGpF3 E6XChh24Y8DQa8y6qLJhalwQMeSleBvd2g//e26Oo/9PtT1IdNbyfBOSe1RviN4FGvq9 TYzca3Y/8jCrjVtgn4JWbkkEZHxJU6x3LulN5u5EXZOGFZu0Di2Vh1nVapUrmWxYvmdx y2P4M0E7s2BQBvPAqYE7hlEUAWUfA0TiQAa4WP5Go5BZZ1ZbzsSRvdPuZ+D+JXNYQiSc 3AdYWCu6CsFRQXZcPIIFIt2BYosokOLr4HsROYn78yJnqbUhUR2ZFGD+KECqKOXbAx4B ZCLg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b="j2E/j3/e"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j24si1592374otn.110.2020.01.08.03.47.40; Wed, 08 Jan 2020 03:47:53 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b="j2E/j3/e"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727236AbgAHLq5 (ORCPT + 99 others); Wed, 8 Jan 2020 06:46:57 -0500 Received: from mail.skyhub.de ([5.9.137.197]:57594 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726290AbgAHLq5 (ORCPT ); Wed, 8 Jan 2020 06:46:57 -0500 Received: from zn.tnic (p200300EC2F0BD40029EAD32D10B1B629.dip0.t-ipconnect.de [IPv6:2003:ec:2f0b:d400:29ea:d32d:10b1:b629]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id F0C1E1EC0CC9; Wed, 8 Jan 2020 12:46:55 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1578484016; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=2K49B1IvTuR8ugKnVnlZ1/Wn6pxxM4e0MAEkpZoeWEI=; b=j2E/j3/etEDUZgeHXudiatxCesvrsc9YPfXpU/we3L4Pylef+UCj+BtIu0utmVmHja5UNJ EhkZPMoRj4/nPvWZsbdTdlpme5xaKLDpcZI7J1TRhK3omBY29RApTpxO2cdD0ArAJI/Y7m 4h1ZUakhzJ49IWemkuSjGzV+Amf2Jpo= Date: Wed, 8 Jan 2020 12:46:51 +0100 From: Borislav Petkov To: Andy Lutomirski Cc: linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, Yu-cheng Yu , Sebastian Andrzej Siewior , Borislav Petkov , Andy Lutomirski , Dave Hansen , Fenghua Yu , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Peter Zijlstra , "Ravi V. Shankar" , Rik van Riel , Thomas Gleixner , Tony Luck , x86-ml Subject: Re: [tip: x86/fpu] x86/fpu: Deactivate FPU state after failure during state load Message-ID: <20200108114651.GF27363@zn.tnic> References: <157840155965.30329.313988118654552721.tip-bot2@tip-bot2> 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, Jan 07, 2020 at 10:41:52AM -1000, Andy Lutomirski wrote: > Wow, __fpu__restore_sig is a mess. FWIW, I share your sentiment and I'd very much take patches which simplify that flow. It is causing me headaches each time I have to look at it. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette