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=-1.3 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 96E6BC433E1 for ; Thu, 14 May 2020 04:49:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 845B2206D8 for ; Thu, 14 May 2020 04:49:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589431764; bh=V/oBOYtKp6M9rPVY/uwibfRmC4k4sU8suKlC0+cFFz4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=y8YwXHIyBfHxtMVtFFyLey4ZWrQfZNkbse+Bz998NVpi+Y7+cKlh9RHkO3bOcSnf8 oeEvdI8VxhkXssBjK/h/3DtdVeMspdABH65Sdq7QxA6PByDcOPQOIDP1J7/DDYpWy+ AFsvo6UZQBu9cDOyWCUHoe6DZAHpvAlGeq2vL5tw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726125AbgENEtX (ORCPT ); Thu, 14 May 2020 00:49:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:36258 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbgENEtX (ORCPT ); Thu, 14 May 2020 00:49:23 -0400 Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com [209.85.221.50]) (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 6203220758 for ; Thu, 14 May 2020 04:49:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589431762; bh=V/oBOYtKp6M9rPVY/uwibfRmC4k4sU8suKlC0+cFFz4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ZBMgjwe7TjczZXnPrBrukDP6+NucmGH+g8uDw3PZfMTVH/vY1KevCsB8An92YhsUQ hXh7zEbqrtBqMRNNOzgViDW+uXs+kEP6A00Eu1sRDqCxyelBCSHDf3JG7OOjl9wl++ 6jTPcV0Oadq6R8uyXW9/H7MFieA4W04r2XrN6Kk0= Received: by mail-wr1-f50.google.com with SMTP id i15so2075263wrx.10 for ; Wed, 13 May 2020 21:49:22 -0700 (PDT) X-Gm-Message-State: AOAM5324oY/hMBRqwvRodUtI1ERxyfqkZL4q720Td07T+H3LwPfiKNU4 0podg23CmhjUx+D7yutZ2eHDB8ZXQsk6ZK8dgxc7dw== X-Google-Smtp-Source: ABdhPJyDvFRxlNed4RKDzx70fmEv2+c/lffoH0aQ1m0xUx0Qyjm+pIh4/8d1WHNqII6A7RTqPhG54kyDdNLThm33kSM= X-Received: by 2002:adf:a298:: with SMTP id s24mr3057145wra.184.1589431760838; Wed, 13 May 2020 21:49:20 -0700 (PDT) MIME-Version: 1.0 References: <20200505134354.774943181@linutronix.de> <20200505134905.539867572@linutronix.de> In-Reply-To: <20200505134905.539867572@linutronix.de> From: Andy Lutomirski Date: Wed, 13 May 2020 21:49:09 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 part 3 23/29] x86/entry: Convert Stack segment exception to IDTENTRY 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 7:15 AM Thomas Gleixner wrote: > > From: Thomas Gleixner > > Convert #SS to IDTENTRY_ERRORCODE: > - Implement the C entry point with DEFINE_IDTENTRY > - 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