Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp4268383pxb; Mon, 8 Feb 2021 12:00:19 -0800 (PST) X-Google-Smtp-Source: ABdhPJwhRvf+AsldepW3riSSiu3718v7pFCic5kNZ7c5nkyLMvEYX8SEdGNgPnBvmjlfdPy+SNy4 X-Received: by 2002:aa7:d60f:: with SMTP id c15mr19007322edr.291.1612814418950; Mon, 08 Feb 2021 12:00:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612814418; cv=none; d=google.com; s=arc-20160816; b=ZMaIZ0FZelMQqcoDH2WSVhizqKx4Ke/lCDax1rcWLv1GwF50i+wKIQcSUpQMcH9IBq rITXVdI2foS0qL62x+3KM2FfU9xW0ORGLSQ6MLpzI4pTjDYf10Fs92xkEDH+8uVf7mv0 i/R1CvuL3YBEGoJwN4W4cF8oilkvOADbiJw1wDkNyquJ/5z9kDpZZVU+uya+g5PWoh6n l+8vC8Q5r6fHopTz60QmZFaMPptqXGXexJm7Q7KgQ4YeWdWgbK52tH0DLj/kuA0zOWE/ hJpFxfKRlTbaDIk+CL8UJJw8hBFoxOi4KbCRcR9lKM6SFuyd4S/jLAmxMglVWqtEvRP9 rCmQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=Vna1UpISDhhzy62RgmCODV7iVBrOXqSLXKC77p47hCA=; b=FU/ZdDCGEPALmGCZ2R9q0t3k3aJ4S30lENZ1Bz8Y/GWU/zn28PA1HPDsBULWza0np8 vKhVUVHTrB850Wjs++vFX8N8RKAB9DdhCqBPCTlo1cPPnGij+l90ZEsL2tFi466GC1Jh PumSBgsmI20VMjDpXTjEhfGDltxyuBL4X8uSfjpMj99nJAe7dMRDjUCK0BH4NYYMC2Bd 2ECbmnTKQPJXh4z/bNJAWzvPv+I5YDpn1VDspHJHMrmg6IjXyCGPjKhaAHlnewRoqwVB 3xddrE/eEl5hg7yK78t3EGEnWcr/tLgMJ+sfF/9qw0MEer5FzfiX6Y5VTGCJKJTk4RB/ c/YQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=CiS5pN9l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a25si13076822edv.435.2021.02.08.11.59.55; Mon, 08 Feb 2021 12:00:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=CiS5pN9l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235814AbhBHT5R (ORCPT + 99 others); Mon, 8 Feb 2021 14:57:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:51207 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234033AbhBHSOi (ORCPT ); Mon, 8 Feb 2021 13:14:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612807991; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Vna1UpISDhhzy62RgmCODV7iVBrOXqSLXKC77p47hCA=; b=CiS5pN9lGz1cUVDV93OQF/nV9RsCS7hGrACa4GzEYWmvLK2gW5szaN55qil7kh/mh4rJwJ WZZgbVUu9AivXklIZolLE9ukaPfz/QNSwKryVPmor4znof7IdfT/8Qf5toa9BMvx8AmY5m W4N5D753vQKpQ+IiJkLPAhiUZFch4ds= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-152-LIm0O2BmNA-BWgTWAaL5AQ-1; Mon, 08 Feb 2021 13:13:07 -0500 X-MC-Unique: LIm0O2BmNA-BWgTWAaL5AQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A8B141936B65; Mon, 8 Feb 2021 18:13:04 +0000 (UTC) Received: from treble (ovpn-118-142.rdu2.redhat.com [10.10.118.142]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9924860C04; Mon, 8 Feb 2021 18:13:02 +0000 (UTC) Date: Mon, 8 Feb 2021 12:12:59 -0600 From: Josh Poimboeuf To: Borislav Petkov Cc: AC , Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Marco Elver , Arnd Bergmann , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, nborisov@suse.com, seth.forshee@canonical.com, yamada.masahiro@socionext.com Subject: Re: [PATCH] x86/build: Disable CET instrumentation in the kernel for 32-bit too Message-ID: <20210208181259.hwmnoldx627jhvlm@treble> References: <20210208121227.GD17908@zn.tnic> <82FA27E6-A46F-41E2-B7D3-2FEBEA8A4D70@gmail.com> <20210208162543.GH17908@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210208162543.GH17908@zn.tnic> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 08, 2021 at 05:25:43PM +0100, Borislav Petkov wrote: > On Mon, Feb 08, 2021 at 10:19:33AM -0500, AC wrote: > > That did fix it, thank you! > > Thanks! > > --- > From: Borislav Petkov > Date: Mon, 8 Feb 2021 16:43:30 +0100 > Subject: [PATCH] x86/build: Disable CET instrumentation in the kernel for 32-bit too > > Commit > > 20bf2b378729 ("x86/build: Disable CET instrumentation in the kernel") > > disabled CET instrumentation which gets added by default by the Ubuntu > gcc9 and 10 by default, but did that only for 64-bit builds. It would > still fail when building a 32-bit target. So disable CET for all x86 > builds. > > Fixes: 20bf2b378729 ("x86/build: Disable CET instrumentation in the kernel") > Reported-by: AC > Signed-off-by: Borislav Petkov > Tested-by: AC > Link: https://lkml.kernel.org/r/YCCIgMHkzh/xT4ex@arch-chirva.localdomain Acked-by: Josh Poimboeuf -- Josh