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 4AAD5C6379F for ; Sat, 18 Feb 2023 04:54:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229596AbjBREyC (ORCPT ); Fri, 17 Feb 2023 23:54:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbjBREx7 (ORCPT ); Fri, 17 Feb 2023 23:53:59 -0500 Received: from mail.zytor.com (unknown [IPv6:2607:7c80:54:3::138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B18C37552; Fri, 17 Feb 2023 20:53:58 -0800 (PST) Received: from [127.0.0.1] ([73.223.221.228]) (authenticated bits=0) by mail.zytor.com (8.17.1/8.17.1) with ESMTPSA id 31I4p62D4097556 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 17 Feb 2023 20:51:06 -0800 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com 31I4p62D4097556 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2023020601; t=1676695867; bh=ZsTHAJ2M1Xz9JWuAr5Ye7uhY5qSpwDVmBE6pAy6Pnuk=; h=Date:From:To:CC:Subject:In-Reply-To:References:From; b=pSF0bVgQSOMYifL3Yscavmko2uodmIldbVyi+FjaGVFUtkZmJoPM5m8kmf4kGcrKE 0BH3WDlaqOROUPWYZQQ5pT0usvxFq0FiAJvmThmQl8+Wg/iUiQxfeQGxl0N/BMKbnA Be5cmEnrH1EKgGVHexICr8I+1zUnTYXKC/PsVVoG4toZbBIbs+PMSL+ywSqdSi6rjJ MNNadqgNa/HWpaDO7mbfEL39gs5WcwaileKqp0gssngfjJZIbTvzQ/5jflY79yEXld gHNVbU0qrLlmv5meHXuueCPhIG1OONBW8PJkjgbuTjKppA729SwWj9z+1rObRb7CYf 2i2Hy1+df2FeA== Date: Fri, 17 Feb 2023 20:51:03 -0800 From: "H. Peter Anvin" To: Ammar Faizi , Xin Li CC: Dave Hansen , Dave Hansen , Thomas Gleixner , Andrew Cooper , Brian Gerst , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Shuah Khan , Ingo Molnar , Andy Lutomirski , x86 Mailing List , "Kirill A. Shutemov" , Linux Kselftest Mailing List , Linux Kernel Mailing List Subject: =?US-ASCII?Q?Re=3A_=5BRFC_PATCH_v5_0/2=5D_sysret=5Frip_up?= =?US-ASCII?Q?date_for_the_Intel_FRED_architecture?= User-Agent: K-9 Mail for Android In-Reply-To: References: <20230125034958.734527-1-ammarfaizi2@gnuweeb.org> Message-ID: <18C482AB-D01D-4AAC-BBA2-7A0F7D26ADA8@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On February 17, 2023 8:27:40 PM PST, Ammar Faizi wrote: >On Wed, Feb 15, 2023 at 07:42:47AM +0000, Li, Xin3 wrote: >> Hi Faizi, >>=20 >> Any update on this patch set? > >No comment from HPA=2E But after the recent discussion with Andrew, I >think at least it's now clear that we are not going to use "+r"(rsp) to >avoid the red zone problem=2E > >I am on leave today=2E Will send revision v8 on Monday=2E > >Thanks, > My apologies, I missed your latest response in the torrent of email=2E The= redzone issue is weird; it ought to be breaking all over the place, not ju= st this=2E Let me take a quick look at it=2E=2E=2E