Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA939C6379F for ; Wed, 15 Feb 2023 07:51:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233693AbjBOHvS (ORCPT ); Wed, 15 Feb 2023 02:51:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233329AbjBOHvQ (ORCPT ); Wed, 15 Feb 2023 02:51:16 -0500 Received: from gnuweeb.org (gnuweeb.org [51.81.211.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB793769C; Tue, 14 Feb 2023 23:51:14 -0800 (PST) Received: from biznet-home.integral.gnuweeb.org (unknown [182.253.183.231]) by gnuweeb.org (Postfix) with ESMTPSA id 91863830B9; Wed, 15 Feb 2023 07:51:08 +0000 (UTC) X-GW-Data: lPqxHiMPbJw1wb7CM9QUryAGzr0yq5atzVDdxTR0iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1676447474; bh=4xu8nGWzIVAPVRMQcoYys7aWOHBc3DMFrZEQxIY6qhY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XT3Vca4/rTY3BkZ5u9/RSK+ReBut+uMgsiLoRlLiu8IWdKvU4veubHXqKDXq9ZSz9 AkxqsN6qg/bkfitCw+Tju4eIplrpJ+VE7N0/MaKay6kRPKmhhjFJ3+7mSndn7yfXb8 FjKqCzPYnPQBzJYkw11RoZMJg5/ElK5kIzWq6GaW5ekcBmYtoOlp38SfJ6meoecIx1 K6VZuJOnCo7LR9Ybt/bqyjKY3TbTw+m8G50M8DjcAXP1DDJIDyirKNlrmBNwsRu34+ Q5zL5dnW3u6yNQCyyU0ltMUJ4WIQyV8nB1Bof8WurmjhfdkrTnUbuz1r3KzVQLQzPy P1w5uIwbZCFNw== Date: Wed, 15 Feb 2023 14:51:04 +0700 From: Ammar Faizi To: Xin Li Cc: "H. Peter Anvin" , "Hansen, Dave" , Dave Hansen , Thomas Gleixner , "andrew.cooper3@citrix.com" , Brian Gerst , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Shuah Khan , Ingo Molnar , "Lutomirski, Andy" , x86 Mailing List , "Kirill A. Shutemov" , Linux Kselftest Mailing List , Linux Kernel Mailing List Subject: Re: [RFC PATCH v5 0/2] sysret_rip update for the Intel FRED architecture Message-ID: References: <20230125034958.734527-1-ammarfaizi2@gnuweeb.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Bpl: hUx9VaHkTWcLO7S8CQCslj6OzqBx2hfLChRz45nPESx5VSB/xuJQVOKOB1zSXE3yc9ntP27bV1M1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 15, 2023 at 07:42:47AM +0000, Li, Xin3 wrote: > Hi Faizi, > > Any update on this patch set? Xin, Before I send the next version, I need an answer for this one: https://lore.kernel.org/lkml/Y9LfmQ%2Fr1%2FpEP+uv@biznet-home.integral.gnuweeb.org/ I don't think the redzone problem is handled correctly here. Using "+r" (rsp) constraint doesn't solve the redzone problem. HPA, Andrew, anybody? -- Ammar Faizi