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 887EDC433E0 for ; Fri, 15 May 2020 05:27:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6014D20728 for ; Fri, 15 May 2020 05:27:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520470; bh=8dI/vbbPskuu2o8TVN0BhT+heOYmcal5N0YfkmVfQig=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=Zel4F7w9jyAUGMCaXh9DerJWP1yGSzkSGdxYQVn6mLeB5aYH94/i6BUTCTVl15shD Pdyd1xg6n3DKc0O1Ux4ZnhsonAl2mz1E7m4LoWPFvIkOmaPSn9fsku5BY2lP1PquW7 Kg1mk/Od6EjKxCsyUh+fJdvN2wFF6pK+xIHiBn0A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726594AbgEOF1t (ORCPT ); Fri, 15 May 2020 01:27:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:36120 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726163AbgEOF1t (ORCPT ); Fri, 15 May 2020 01:27:49 -0400 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (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 3821F2065F for ; Fri, 15 May 2020 05:27:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520468; bh=8dI/vbbPskuu2o8TVN0BhT+heOYmcal5N0YfkmVfQig=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=0nDjhW0OZgP/jhHza8g6LhWKAf1+ZHvc4bSuOn+AOhubFqH378HvxOtCneEbYj0WS cwNSlwMmZCGwuAgon+i0ZcFVm7xIrBoj668ia439EHFyXstMnm2U9aMnRIgeARNXXA aiACqcAWKFd3ntDhXDP3vS6VDya1S0O40OXVD3fY= Received: by mail-wr1-f41.google.com with SMTP id h17so1910306wrc.8 for ; Thu, 14 May 2020 22:27:48 -0700 (PDT) X-Gm-Message-State: AOAM531G3LijvMVihGHT+vlBGTP7rF/cRXZWTTelfngVByKVkMgMpuPl nT198sf+f9BmA2IOF08773/+bV1BM2qLU7JcJduBUQ== X-Google-Smtp-Source: ABdhPJzTJln3owtDKZB4cmdrg4+c+IqR2JpFimvkDlkaIKxStwjvAODlbh/bhG0Qh79+faiDrCyaePCsQashJjzahgI= X-Received: by 2002:adf:a389:: with SMTP id l9mr2231651wrb.18.1589520466744; Thu, 14 May 2020 22:27:46 -0700 (PDT) MIME-Version: 1.0 References: <20200505134926.578885807@linutronix.de> <20200505135314.900297476@linutronix.de> In-Reply-To: <20200505135314.900297476@linutronix.de> From: Andy Lutomirski Date: Thu, 14 May 2020 22:27:35 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 part 4 16/24] x86/entry: Convert Debug exception to IDTENTRY_DB 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: > > Convert #DB to IDTENTRY_ERRORCODE: > - Implement the C entry point with DEFINE_IDTENTRY_DB > - Emit the ASM stub with DECLARE_IDTENTRY > - Remove the ASM idtentry in 64bit > - Remove the open coded ASM entry code in 32bit > - Fixup the XEN/PV code > - Remove the old prototyoes > > No functional change. Acked-by: Andy Lutomirski