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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 A1A71C433EF for ; Thu, 23 Sep 2021 14:59:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 867A0610C9 for ; Thu, 23 Sep 2021 14:59:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241962AbhIWPAy (ORCPT ); Thu, 23 Sep 2021 11:00:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241867AbhIWPAp (ORCPT ); Thu, 23 Sep 2021 11:00:45 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D154C061574 for ; Thu, 23 Sep 2021 07:59:14 -0700 (PDT) Received: from zn.tnic (p200300ec2f0d6800d149a76d0b562da3.dip0.t-ipconnect.de [IPv6:2003:ec:2f0d:6800:d149:a76d:b56:2da3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 8EFEC1EC056A; Thu, 23 Sep 2021 16:59:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1632409148; 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: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=T/zbVuqZ1HlM/RdSdAFVocNiGHn+dqQu0D+Cgr2+0TY=; b=fcMBC6ju6ENW9WoA1WUjXfPEd5eRH5ROjdyALMm5iqLvZmJ41bPYUV7LXb00Zjbtz7iVEg ltBIIZ8KLvu3+6ZyvRgzJMfpQ+XpTan1UDqA05uGlaJGTwmW98U48L5OKWtCD+JQ7vmxsD wEj6E6tA93ty97Bge2XQFhSp6dN19o0= Date: Thu, 23 Sep 2021 16:59:02 +0200 From: Borislav Petkov To: Ricardo Neri Cc: X86 ML , LKML , Marcus =?utf-8?Q?R=C3=BCckert?= Subject: Re: [PATCH] x86/umip: Downgrade warning messages to debug loglevel Message-ID: References: <20210907200454.30458-1-bp@alien8.de> <20210911011459.GA11980@ranerica-svr.sc.intel.com> <20210913213836.GA10627@ranerica-svr.sc.intel.com> <20210915113410.GA7130@ranerica-svr.sc.intel.com> <20210916002735.GA9330@ranerica-svr.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210916002735.GA9330@ranerica-svr.sc.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 15, 2021 at 05:27:35PM -0700, Ricardo Neri wrote: > FWIW, Reviewed-by: Ricardo Neri Thx. So this thing is not completely quiet: # dmesg -l err,warn,notice -x ... kern :notice: [ 17.974749] random: dd: uninitialized urandom read (512 bytes read) kern :notice: [ 18.063596] random: dbus-daemon: uninitialized urandom read (12 bytes read) kern :notice: [ 18.065212] random: dbus-daemon: uninitialized urandom read (12 bytes read) kern :notice: [ 20.161303] random: crng init done kern :warn : [ 144.505690] umip_printk: 403267 callbacks suppressed ^^^^^^^^^^^^^^^^ so at least it says that umip is being busy logging stuff and if one wants to see them, one can do: # dmesg -l err,warn,notice,debug -x kern :notice: [ 17.974749] random: dd: uninitialized urandom read (512 bytes read) kern :notice: [ 18.063596] random: dbus-daemon: uninitialized urandom read (12 bytes read) kern :notice: [ 18.065212] random: dbus-daemon: uninitialized urandom read (12 bytes read) kern :notice: [ 20.161303] random: crng init done kern :debug : [ 24.501738] umip: sidt[1882] ip:5570e245a083 sp:7ffdbe080390: SIDT instruction cannot be used by applications. kern :debug : [ 24.501743] umip: sidt[1882] ip:5570e245a083 sp:7ffdbe080390: For now, expensive software emulation returns the result. kern :debug : [ 24.502566] umip: sidt[1883] ip:55c63b5ff083 sp:7fffde333160: SIDT instruction cannot be used by applications. kern :debug : [ 24.502569] umip: sidt[1883] ip:55c63b5ff083 sp:7fffde333160: For now, expensive software emulation returns the result. kern :debug : [ 24.503259] umip: sidt[1884] ip:55e4bff9e083 sp:7ffecb324530: SIDT instruction cannot be used by applications. kern :warn : [ 144.505690] umip_printk: 403267 callbacks suppressed kern :debug : [ 144.505692] umip: sidt[9170] ip:560d1457f083 sp:7fff1d5d9df0: SIDT instruction cannot be used by applications. kern :debug : [ 144.506484] umip: sidt[9170] ip:560d1457f083 sp:7fff1d5d9df0: For now, expensive software emulation returns the result. kern :debug : [ 144.507218] umip: sidt[9171] ip:556f4549c083 sp:7ffc146ab2a0: SIDT instruction cannot be used by applications. kern :debug : [ 144.507221] umip: sidt[9171] ip:556f4549c083 sp:7ffc146ab2a0: For now, expensive software emulation returns the result. kern :debug : [ 144.507951] umip: sidt[9172] ip:55662fdd8083 sp:7ffefcdbc0d0: SIDT instruction cannot be used by applications. ok, lemme queue it. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette