Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752773AbcD2ULe (ORCPT ); Fri, 29 Apr 2016 16:11:34 -0400 Received: from mga01.intel.com ([192.55.52.88]:60833 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752416AbcD2ULd (ORCPT ); Fri, 29 Apr 2016 16:11:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,553,1455004800"; d="scan'208";a="965619997" Date: Fri, 29 Apr 2016 13:07:09 -0700 From: Yu-cheng Yu To: Dave Hansen Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, Andy Lutomirski , Borislav Petkov , Sai Praneeth Prakhya , "Ravi V. Shankar" , Fenghua Yu Subject: Re: [PATCH v4 0/10] x86/xsaves: Fix XSAVES known issues Message-ID: <20160429200709.GA15412@test-lenovo> References: <5723A353.7060209@linux.intel.com> <20160429195741.GA15402@test-lenovo> <5723BE1F.7040300@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5723BE1F.7040300@linux.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 322 Lines: 5 On Fri, Apr 29, 2016 at 01:03:43PM -0700, Dave Hansen wrote: > That's not feasible. Think of dynamic libraries or just-in-time > compilers. What instruction set does /usr/bin/java use, for instance? :) The java argument is true. In that case or when the bitmask is missing, we can allocate for all supported features.