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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 5A9CBC433DF for ; Fri, 15 May 2020 05:29:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D3412065F for ; Fri, 15 May 2020 05:29:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520565; bh=NAPmWKKSoSoH/ApSWtU33AgGcKtWRWCqTjdDmj20J+w=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=ladMq2mK2NdpvkpzjFgyXcgrwWgVCJC/qI5/8QX3d9lNumDSwcA9qAWRtcMYEe7ac wwiBPCOF9+SGM6XxJkX/d9oltZf0XtMSyPMh4r+r3K7c1fVceKhl7h1Q+ZGoG+QwWK BNBgp18oHqyCac/rihFiDXrtWqdC1YVv9kOHgOb8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726652AbgEOF3Y (ORCPT ); Fri, 15 May 2020 01:29:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:38358 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725899AbgEOF3X (ORCPT ); Fri, 15 May 2020 01:29:23 -0400 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (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 1D6FB2065F for ; Fri, 15 May 2020 05:29:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520563; bh=NAPmWKKSoSoH/ApSWtU33AgGcKtWRWCqTjdDmj20J+w=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=EUiRT1RWPbzkXn4rBuiFMAgkNKMrMMQBsw1BNL598a3KXvCKeVOhfYlWwJyAtt9sD yK6bc9Z5ZLEGNUsCtsbGwmiIFu0ayGx5Qm1580J+3XTuztFvQKNF8cvI7GOPvgLOVI xDRCjmW1LqlnlliWtphCYP5hwZInYiRCHRFqBlsA= Received: by mail-wr1-f52.google.com with SMTP id e16so1926759wra.7 for ; Thu, 14 May 2020 22:29:23 -0700 (PDT) X-Gm-Message-State: AOAM530rkATXIcv/ZLqUrWN+PW4rS8kKgC/yjYTAyJly2YbliumIziKe W4NWOkp/iuc/cpNrC9i/qI4p03LrLPqF1S7NFNhj2A== X-Google-Smtp-Source: ABdhPJw6KxyOfdySG/CRIM6aqaLtbO/yg7UY6Cwcs7UDiE9YYcRCjppO8JTLdZmhkC/2082B6kQd6zC38kjXGrwXbY0= X-Received: by 2002:adf:a298:: with SMTP id s24mr2164274wra.184.1589520561696; Thu, 14 May 2020 22:29:21 -0700 (PDT) MIME-Version: 1.0 References: <20200505134926.578885807@linutronix.de> <20200505135315.084882104@linutronix.de> In-Reply-To: <20200505135315.084882104@linutronix.de> From: Andy Lutomirski Date: Thu, 14 May 2020 22:29:10 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 part 4 18/24] x86/entry: Provide IDTRENTRY_NOIST variants for #DB and #MC To: Thomas Gleixner Cc: LKML , X86 ML , "Paul E. McKenney" , Andy Lutomirski , Alexandre Chartre , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon 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, May 5, 2020 at 7:16 AM Thomas Gleixner wrote: > > Provide NOIST entry point macros which allows to implement NOIST variants > of the C entry points. These are invoked when #DB or #MC enter from user > space. This allows explicit handling of the difference between user mode > and kernel mode entry later. Acked-by: Andy Lutomirski