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=-4.1 required=3.0 tests=BAYES_00,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 A4DD4C433DF for ; Wed, 29 Jul 2020 03:44:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 810EC20786 for ; Wed, 29 Jul 2020 03:44:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595994277; bh=PKYvCFT78LV/2YXEzkvGlUcCAL6ErGV+cm3sHxN8HLQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=OT4/P73DpgJdSL78YMvHT1NheNsUXoOhBeBAR5ADNDlFxpyApmYZbvzZ/Bl4oF/CL 1KT5OBxusGwngQdywtUKoyBIxsJw0C6SkkGqT6QXEdTMgpZ2+C7g53tTC3hFwgCu3/ 4J9NhOpRafRcBUBxgfe5wL7Ue90LxVyo2krF70P0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726820AbgG2Dog (ORCPT ); Tue, 28 Jul 2020 23:44:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:57988 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726245AbgG2Dof (ORCPT ); Tue, 28 Jul 2020 23:44:35 -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 6172E207F5 for ; Wed, 29 Jul 2020 03:44:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595994275; bh=PKYvCFT78LV/2YXEzkvGlUcCAL6ErGV+cm3sHxN8HLQ=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=iqJN1cg8NCB58hUnCfsBVkAky8B3owf813Vdl3hBZ/QxjpXfvsC2FgPjo/ynz7H2K +8/XdAwqJBAds2vrk6LdZ1MXN/HEHi49Xu70CsxphhPQLGnXVWikShaWEoPdxxtoo/ AVeHtnzdsAO88lEZ3go4h3VJPsLR1iL/NHrDp/kA= Received: by mail-wr1-f50.google.com with SMTP id z18so16633719wrm.12 for ; Tue, 28 Jul 2020 20:44:35 -0700 (PDT) X-Gm-Message-State: AOAM533DVkVXI1EYSLSerGJ16qc0VwSVfwfXtblCbefYBcgLfJc3/Exy Hof1sT/kVPm6x/YHzbLd+X5eW+C/JeoYLar5K13/lg== X-Google-Smtp-Source: ABdhPJydMOfugQXiBm9mi1BWB5378gG11cdehsvov9PsS29MgAxX3CVl8oELDjiaFm3AEaX9IznBXW+fBCk2dRnMVsc= X-Received: by 2002:a5d:65d2:: with SMTP id e18mr27014993wrw.70.1595994273955; Tue, 28 Jul 2020 20:44:33 -0700 (PDT) MIME-Version: 1.0 References: <20200728202229.1195682-1-krisman@collabora.com> <20200728202229.1195682-5-krisman@collabora.com> In-Reply-To: <20200728202229.1195682-5-krisman@collabora.com> From: Andy Lutomirski Date: Tue, 28 Jul 2020 20:44:22 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 4/6] arch: x86: Expose psABI on thread_info To: Gabriel Krisman Bertazi Cc: Andrew Lutomirski , Thomas Gleixner , Kees Cook , X86 ML , LKML , kernel@collabora.com 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, Jul 28, 2020 at 1:22 PM Gabriel Krisman Bertazi wrote: > > Expose psABI in thread_info, in preparation for the TIF_IA32 and > TIF_X32 flags removal. NAK. Linux threads don't have a user ABI like this. See my other comments :) --Andy