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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9AA36C433FE for ; Tue, 5 Oct 2021 20:59:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81B2E61423 for ; Tue, 5 Oct 2021 20:59:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236494AbhJEVBB (ORCPT ); Tue, 5 Oct 2021 17:01:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:60188 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230019AbhJEVA7 (ORCPT ); Tue, 5 Oct 2021 17:00:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 669D66138F; Tue, 5 Oct 2021 20:59:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633467548; bh=bsjXpRYx2mjsrpqtJvNuzokSpYL8w21ACNuobJf3GCk=; h=In-Reply-To:References:Date:From:To:Cc:Subject:From; b=fdZH7LQeLuFJ7jCyJmZcvtita6gTE2s7ey7YadkHhkIcSfrkh10KQw1aDkr4RgbiD pWwi9/Ub/GAZEeTQoEMYx/eZ3VmZS/oj4PBH0tNKEv42933srip+bDCkz6tHp0Th9O vEo6SYJkOMtEfPhYkB5/bexeXsJvGBmmhmZVe/H6l5I54qykL5c2MavNazHq4yU3Dv rF73bFINNy2AYx+SePT+e5DMKWjQ1brYWM5B7bjXOJpkU0FNz/81284UY2cdk3K8Mf BxTB8N+8RqfnEVGRTnGIz9X8hU0BpIy1mL8hSbr+bSeOeDiYMnaVEnYztCYoj0GSsu La4X1/z8K+G4Q== Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailauth.nyi.internal (Postfix) with ESMTP id 7EDF227C0054; Tue, 5 Oct 2021 16:59:06 -0400 (EDT) Received: from imap48 ([10.202.2.98]) by compute6.internal (MEProxy); Tue, 05 Oct 2021 16:59:06 -0400 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudelgedgudehhecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefofgggkfgjfhffhffvufgtsehttdertderredtnecuhfhrohhmpedftehn ugihucfnuhhtohhmihhrshhkihdfuceolhhuthhosehkvghrnhgvlhdrohhrgheqnecugg ftrfgrthhtvghrnheptdfhheettddvtedvtedugfeuuefhtddugedvleevleefvdetleff gfefvdekgeefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homheprghnugihodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdduudeiudek heeifedvqddvieefudeiiedtkedqlhhuthhopeepkhgvrhhnvghlrdhorhhgsehlihhnuh igrdhluhhtohdruhhs X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 6051721E0063; Tue, 5 Oct 2021 16:59:05 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-1322-g921842b88a-fm-20210929.001-g921842b8 Mime-Version: 1.0 Message-Id: <1166eaec-f655-4f77-bf3f-b04dcb62d4fe@www.fastmail.com> In-Reply-To: <20211001133349.9825-1-jane.malalane@citrix.com> References: <20211001133349.9825-1-jane.malalane@citrix.com> Date: Tue, 05 Oct 2021 13:58:45 -0700 From: "Andy Lutomirski" To: "Jane Malalane" , "Linux Kernel Mailing List" Cc: "the arch/x86 maintainers" , "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "H. Peter Anvin" , "Pu Wen" , "Paolo Bonzini" , "Sean Christopherson" , "Peter Zijlstra (Intel)" , "Andrew Cooper" , "Yazen Ghannam" , "Brijesh Singh" , "Huang Rui" , "Kim Phillips" , stable@vger.kernel.org Subject: Re: [PATCH] x86/cpu: Fix migration safety with X86_BUG_NULL_SEL Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 1, 2021, at 6:33 AM, Jane Malalane wrote: > -static void detect_null_seg_behavior(struct cpuinfo_x86 *c) > +void detect_null_seg_behavior(struct cpuinfo_x86 *c) __init, please