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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D370BC433DF for ; Mon, 27 Jul 2020 22:40:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A715E206D7 for ; Mon, 27 Jul 2020 22:40:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595889608; bh=bFPrgU1Jk9K/I7DQUNxsJ01gcPYC3G9ZPht5BYF0kM8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=ppwHQM1JhLV0VTPBC4PW6oIypfbcHGcPBgy5eSlqNO7mrGJUTtOi5JCwj65Q8Rhit OiHGszdngGFanGYTV3nRG1C+n0M/Bf2EA/SG4ax7yfdgbT+O2waArHNx7/qQJzJ+ph karcsY6zLEFPDAyIBur4N5HNJu0VRki39IlQvb2g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727837AbgG0WkH (ORCPT ); Mon, 27 Jul 2020 18:40:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:45638 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727800AbgG0WkH (ORCPT ); Mon, 27 Jul 2020 18:40:07 -0400 Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6A3B020FC3 for ; Mon, 27 Jul 2020 22:40:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595889606; bh=bFPrgU1Jk9K/I7DQUNxsJ01gcPYC3G9ZPht5BYF0kM8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=w+gqaDIcclPtKT4N8I4PlPGw/3ZfZO3xy2fUtCvLzNd6QdKXNte+8p1VvOSUp6buE Gm/DP30ZkkY9pe2wrNkDPsX3L/ToWQPV3w9TjvaoTKbRFZf2FAp1NaYrPWC1MC3q61 X5fmnnQlYmK26oUlgUmG9ZNfu1BpFuoKgX3zA5RQ= Received: by mail-wr1-f47.google.com with SMTP id a5so6413696wrm.6 for ; Mon, 27 Jul 2020 15:40:06 -0700 (PDT) X-Gm-Message-State: AOAM531P/zbevi1ZVvQ1Mtm/phRer0yfXZI+0NC/VMHd4atABqyGyYw4 IcWgtUD5eWm/IBAGSG6lVRWAAg/vmvbWHUyHIKzR8w== X-Google-Smtp-Source: ABdhPJzd/wIx7hz77kMspi3Ap4wzBDMwXrL3/v/GsIahaf+7is+QENmLWwBqaUwNt2/x6huhKSjrbFAM2Lz0dTnsVDo= X-Received: by 2002:adf:fa85:: with SMTP id h5mr22738351wrr.18.1595889605046; Mon, 27 Jul 2020 15:40:05 -0700 (PDT) MIME-Version: 1.0 References: <20200721105706.030914876@linutronix.de> <20200721110808.889765456@linutronix.de> In-Reply-To: <20200721110808.889765456@linutronix.de> From: Andy Lutomirski Date: Mon, 27 Jul 2020 15:39:53 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 06/15] x86/entry: Consolidate check_user_regs() To: Thomas Gleixner Cc: LKML , X86 ML , linux-arch , Will Deacon , Arnd Bergmann , Mark Rutland , Kees Cook , Keno Fischer , Paolo Bonzini , kvm list , Gabriel Krisman Bertazi Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 21, 2020 at 4:08 AM Thomas Gleixner wrote: > > From: Thomas Gleixner > > The user register sanity check is sprinkled all over the place. Move it > into enter_from_user_mode(). > > Signed-off-by: Thomas Gleixner > Reviewed-by: Kees Cook Acked-by: Andy Lutomirski