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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 D86FCC282DD for ; Thu, 9 Jan 2020 23:06:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4B702073A for ; Thu, 9 Jan 2020 23:06:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729009AbgAIXGl (ORCPT ); Thu, 9 Jan 2020 18:06:41 -0500 Received: from mga11.intel.com ([192.55.52.93]:54670 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727749AbgAIXGl (ORCPT ); Thu, 9 Jan 2020 18:06:41 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jan 2020 15:06:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,414,1571727600"; d="scan'208";a="396242471" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.202]) by orsmga005.jf.intel.com with ESMTP; 09 Jan 2020 15:06:40 -0800 From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, David Laight , Arvind Sankar Subject: [PATCH v2 0/2] KVM: x86/mmu: Optimize rsvd pte checks Date: Thu, 9 Jan 2020 15:06:38 -0800 Message-Id: <20200109230640.29927-1-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Two patches to optimize the reserved bit and illegal EPT memtype/XWR checks, and more importantly, clean up an undocumented, subtle bitwise-OR in the code. v2: Rewrite everything. v1: https://lkml.kernel.org/r/20200108001859.25254-1-sean.j.christopherson@intel.com Sean Christopherson (2): KVM: x86/mmu: Reorder the reserved bit check in prefetch_invalid_gpte() KVM: x86/mmu: Micro-optimize nEPT's bad memptype/XWR checks arch/x86/kvm/mmu/mmu.c | 26 ++++++++++++++------------ arch/x86/kvm/mmu/paging_tmpl.h | 23 +++++++++++++++++++---- 2 files changed, 33 insertions(+), 16 deletions(-) -- 2.24.1