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=-0.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,FROM_STARTS_WITH_NUMS, HEADER_FROM_DIFFERENT_DOMAINS,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 5F887C433DF for ; Wed, 1 Jul 2020 14:05:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EE4820702 for ; Wed, 1 Jul 2020 14:05:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="r44CNLXi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731292AbgGAOFp (ORCPT ); Wed, 1 Jul 2020 10:05:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731256AbgGAOFm (ORCPT ); Wed, 1 Jul 2020 10:05:42 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB454C08C5C1; Wed, 1 Jul 2020 07:05:41 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id g67so10875351pgc.8; Wed, 01 Jul 2020 07:05:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:message-id:date :cc:to; bh=RMM9Z9iqlVaLrecC9159bXlUvQlK4CIqEqnJXgl0LBg=; b=r44CNLXio1SwO4uwtZlpHQc2QtN6pgOZX6XtUOA9/HJkTS3x0cxuSP5gz25EObyuMA PK5H4y993DtZwklYxD/IwS+Z6NoDf4aQYsx/lDFY89RtA9hYH32GnXQsTbYbXVSBMzR1 V5ZAT6yiF71y/kgwE21NnxppxPWFgxOZKS4BINbUjd6LKIWXhnun3l3XNXaWT9jPygVs rPbfJ9JStAOkVqZlPKkH+COiKW8gRDz4pOsW1kDWJeQ+4cCe+ImzcbEJ0MRn2XFUtU7S 135AWJt+FWwSv3VoFulqIOJDIXLASMWe3E5dcoS0vAtZuLOjTleymKTL7DfjR8Aqve7P JrPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:cc:to; bh=RMM9Z9iqlVaLrecC9159bXlUvQlK4CIqEqnJXgl0LBg=; b=Wypv4KCCTX/2xFHxksoKtpQH4HMV9MRBvqBdy8gJ5/vW7m7WhbcYpNiDhIDe+bSbyG GL2i80tyuMnhGUpppJlnVR2h2lGkupQfnjgEUXFx6FtlSS+8BCvhN9Q0xDDlLBw7WwzJ HBzueh9lUDEb3FDQup7EDWZxieAUCmOc13cdh9apwXi7wzYPCkO5SIbtzQXGLAQj8Sjw rv2CmQ+17dDhyaNN/xPt46nLgneCbN5UrveMfnqQn9g4dpgpmbmu6YppjaAAczRXVCtc 6Kas9fKE4Sl925fe2PS3citqg5ozZtEBIPg7y8aqFauyJccoyGqkdvG0GOqAwPw/8an4 uL2g== X-Gm-Message-State: AOAM532qswJ91y0yn8YjT3BVK6d2EdMKf9gWXfeg4NLtlS3okhZvX+WJ 5llX94SUmjzIDZvA1gjucmQ= X-Google-Smtp-Source: ABdhPJwvByK5Jzee0/xKvEMoktkPMd7F7n2aH2FmmD/W+GDfavHt+/RsByl41xaRkdIUQ0a288TwSw== X-Received: by 2002:a63:7a56:: with SMTP id j22mr19281888pgn.194.1593612341558; Wed, 01 Jul 2020 07:05:41 -0700 (PDT) Received: from [127.0.0.1] ([103.86.69.165]) by smtp.gmail.com with ESMTPSA id y200sm6036543pfb.33.2020.07.01.07.05.36 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jul 2020 07:05:41 -0700 (PDT) From: =?utf-8?B?6buE6YeR5rW3?= <2538082724huangjinhai@gmail.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Subject: Re: [RFC PATCH 0/7] x86: introduce system calls addess space isolation Message-Id: <65C2C351-F43A-4C32-90E0-8CE412169084@gmail.com> Date: Wed, 1 Jul 2020 22:05:34 +0800 Cc: James.Bottomley@hansenpartnership.com, alexandre.chartre@oracle.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, jwadams@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, luto@kernel.org, mingo@redhat.com, peterz@infradead.org, pjt@google.com, tglx@linutronix.de, x86@kernel.org To: rppt@linux.ibm.com X-Mailer: Apple Mail (2.3608.80.23.2.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org How about performance when running with ASI?