Received: by 2002:ac0:a582:0:0:0:0:0 with SMTP id m2-v6csp1193025imm; Fri, 12 Oct 2018 13:28:35 -0700 (PDT) X-Google-Smtp-Source: ACcGV60cS0wH/Z0V70K5IvkbLX1VOEmzd0a/LVLqjOlTF7fZ6zm5cyPlQqwdK71boUJ+9Al5GGD3 X-Received: by 2002:a17:902:22cc:: with SMTP id o12-v6mr7313167plg.108.1539376115883; Fri, 12 Oct 2018 13:28:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1539376115; cv=none; d=google.com; s=arc-20160816; b=wVDdt9JovzBFxhFVEsHI/EflXe9sJlPyk6Yz6bEvOde/ROuYCqzQqMuMBIritziVqg Blmxtr4NPHiO+jgkI/WisvEwo2DRu1l0dzpiZxF0MMei9wsuK731P3JuevvFkBah9f/J YxpjZwzbIjER76K1VmqdrYoa/kPE3OgKDKYe1z9UbBlNGQa8fIZwcXbPy8xbgonpYMDV L30GOrtVqTXzZRhOJG9JhVaDaQitndAsZJwIAKI12t4pb9cp7oy6+8vLj53QLuEjYe22 kVpmwV7oSnSU6fDbHlcqePoYFrGPx4DSrtp2IIT0/3picXqxCO78IC5XMGMi9qJ1xT17 oumg== 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; bh=PFeVii0w+PDIRiv8fjQfbkqKQ6cs3NOdZRBQk1NB390=; b=c2N8DaNbKq+NHtCIwdAizCck/SPRIBv7Rm+I6iD/rVoOgXeUrgjt8cHzvDjeWm3vP9 FgEgvqemnbFVtSbuQuNFWa0vpqWPBuMO6zXL6J9+U1p/dgn+CUlYuY8yklr/N4Kl0piW qkU0rg+iLSWGDsxBG99SowcHhGnev570I9GBgblNWcxOO78aarJ/ZGets5N+5YGY0reC ojIDHVyXZEiwsN/GBDeSmOjF58Dz5cR+wnLptQXRYOwvpSvYery+jI7US4P/K2VFlE+6 h8mXDplSTuaLM7jn4RJrJK2dKTO6ZCoIh777mol+uYF3D70jxLLSfiOOd3o+00Im18AD 9b1A== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e8-v6si2217858plb.249.2018.10.12.13.28.20; Fri, 12 Oct 2018 13:28:35 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725931AbeJMEAv (ORCPT + 99 others); Sat, 13 Oct 2018 00:00:51 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:52117 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725743AbeJMEAv (ORCPT ); Sat, 13 Oct 2018 00:00:51 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1gB414-0007lq-28; Fri, 12 Oct 2018 22:26:34 +0200 Date: Fri, 12 Oct 2018 22:26:34 +0200 From: Sebastian Andrzej Siewior To: Andy Lutomirski Cc: Dave Hansen , LKML , X86 ML , Paolo Bonzini , Radim Krcmar , kvm list , "Jason A. Donenfeld" , Rik van Riel Subject: Re: [PATCH 07/11] x86/pkeys: Drop the preempt-disable section Message-ID: <20181012202633.xj5jkg753b6uf6s7@linutronix.de> References: <20181004140547.13014-1-bigeasy@linutronix.de> <20181004140547.13014-8-bigeasy@linutronix.de> <1351ba57-1e17-1d76-63c2-0eead2cc5f3b@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-10-12 11:07:28 [-0700], Andy Lutomirski wrote: > All these "if" statements in the FPU code are messy and make > understanding and reviewing this code hard. > > Can you prepare a patch for the beginning of your series that removes > fpu->initialized and just ensures that the fpu is always initialized? > This will regress performance, but you should get all that performance > back with TIF_LOAD_FPU. okay, will do. Sebastian